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Solid-state drive

Index Solid-state drive

A solid-state drive (SSD) is a solid-state storage device that uses integrated circuit assemblies as memory to store data persistently. [1]

213 relations: Access time, Adaptive replacement cache, Advanced Host Controller Interface, Amdahl's law, AnandTech, Apple Inc., Areal density (computer storage), Asus, Asus Eee PC, Asynchronous I/O, ATA Packet Interface, Backup, Bad sector, Ball grid array, Bcache, Benchmark (computing), Binary prefix, Block (data storage), Board solid-state drive, Booting, Btrfs, Cache (computing), Carnegie Mellon University, Ceph (software), CFQ, Charge-coupled device, Cloud computing, CompactFlash, Computer, Computer data storage, Cron, DailyTech, Data recovery, Data striping, Deadline scheduler, Defragmentation, Dell, Dell EMC, Device file, Device mapper, DevSlp, Disk buffer, Disk read-and-write head, Disk storage, Dm-cache, DragonFly BSD, Drive bay, Dynamic random-access memory, Electromagnetic pulse, Electromechanics, ..., Embedded system, Encryption, Error correction code, Error detection and correction, Ext4, F2FS, Failure cause, Fibre Channel, File system, File system fragmentation, Flash file system, Flash memory, Flash memory controller, Flashcache, Floppy disk, Forbes, Fragmentation (computing), FreeBSD, Fstab, Fusion Drive, Fusion-io, Gigabit, Greenliant Systems, Hard disk drive, Hard disk drive performance characteristics, Hard disk drive platter, Hdparm, Heat sink, HGST, Hibernation (computing), Host adapter, Hybrid drive, HyperOs HyperDrive, I-RAM, Illumos, InfiniBand, Integrated circuit, Intel, International Committee for Information Technology Standards, Iometer, IOPS, JEDEC, JFFS2, JFS (file system), Kernel-based Virtual Machine, Kernel.org, Kibibyte, Latency (engineering), Lenovo, Linux, Linux distribution, Linux kernel, List of Intel chipsets, List of solid-state drive manufacturers, Log-structured file system, Loop device, LWN.net, M-Systems, M.2, MacBook Air, Magnetic field, Magnetic storage, Magnetoresistive random-access memory, Mean time between failures, Mebibyte, Memoright, Memory card, Memory latency, Memory scrubbing, Microchip Technology, Micron Technology, Microsecond, Microsoft, Microsoft TechNet, Mission critical, Multi-level cell, Netbook, Noise, Non-volatile memory, Noop scheduler, NTFS, NVDIMM, NVM Express, OCZ, OLPC XO, One Laptop per Child, Online transaction processing, OpenSolaris, Operating system, Optical disc, Optical disc drive, Original equipment manufacturer, Oxford University Press, Paging, Parallel ATA, Partition alignment, PCI Express, Persistence (computer science), Personal computer, Petabyte, Phoronix, RAID, Random access, Random-access memory, Read-modify-write, ReadyBoost, Reliability engineering, Revolutions per minute, SandForce, SanDisk, SATA Express, SCSI, Secure Digital, Serial ATA, Serial ATA International Organization, Serial Attached SCSI, Server (computing), Shadow Copy, Small Form Factor Committee, Smart Response Technology, Softpedia, Solaris (operating system), Solder, Solid-state storage, Spin-up, Standard RAID levels, STec, Inc., Steven Sinofsky, Storage Networking Industry Association, Storage Technology Corporation, Streaming media, Subnotebook, Sun Microsystems, Super Talent Technology, Tablet computer, Telecommunication, Telemetry, Terabyte, Texas Memory Systems, The New York Times, The Tech Report, Thermal design power, Thin client, ThinkPad, Trim (computing), UBIFS, Ubuntu (operating system), ULLtraDIMM, Ultrabook, Unix File System, USB, Video editing, Volatile memory, Wear and tear, Wear leveling, Windows Registry, Windows Vista, Windows Vista I/O technologies, Write amplification, Write protection, XFS, ZFS, 3D XPoint. Expand index (163 more) »

Access time

Access time is the time delay or latency between a request to an electronic system, and the access being completed or the requested data returned.

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Adaptive replacement cache

Adaptive Replacement Cache (ARC) is a page replacement algorithm with better performance than LRU (least recently used).

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Advanced Host Controller Interface

The Advanced Host Controller Interface (AHCI) is a technical standard defined by Intel that specifies the operation of Serial ATA (SATA) host bus adapters in a non-implementation-specific manner.

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Amdahl's law

In computer architecture, Amdahl's law (or Amdahl's argument) is a formula which gives the theoretical speedup in latency of the execution of a task at fixed workload that can be expected of a system whose resources are improved.

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AnandTech is an online computer hardware magazine.

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Apple Inc.

Apple Inc. is an American multinational technology company headquartered in Cupertino, California, that designs, develops, and sells consumer electronics, computer software, and online services.

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Areal density (computer storage)

Areal density is a measure of the quantity of information bits that can be stored on a given length of track, area of surface, or in a given volume of a computer storage medium.

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AsusTek Computer Inc. (stylised as ASUSTeK or ΛSUS) is a Taiwanese multinational computer and phone hardware and electronics company headquartered in Beitou District, Taipei, Taiwan.

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Asus Eee PC

The Asus Eee PC is a netbook computer line from Asus, and a part of the Asus Eee product family.

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Asynchronous I/O

In computer science, asynchronous I/O (also non-sequential I/O) is a form of input/output processing that permits other processing to continue before the transmission has finished.

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ATA Packet Interface

ATA Packet Interface (ATAPI) is a protocol that has been added to Parallel ATA and Serial ATA so that a greater variety of devices can be connected to a computer than with ATA alone.

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In information technology, a backup, or the process of backing up, refers to the copying into an archive file of computer data so it may be used to restore the original after a data loss event.

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Bad sector

A bad sector is a sector on a computer's disk drive or flash memory that is either inaccessible or unwriteable due to permanent damage, such as physical damage to the disk surface or failed flash memory transistors.

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Ball grid array

A ball grid array (BGA) is a type of surface-mount packaging (a chip carrier) used for integrated circuits.

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bcache (abbreviated from block cache) is a cache in the Linux kernel's block layer, which is used for accessing secondary storage devices.

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Benchmark (computing)

In computing, a benchmark is the act of running a computer program, a set of programs, or other operations, in order to assess the relative performance of an object, normally by running a number of standard tests and trials against it.

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Binary prefix

A binary prefix is a unit prefix for multiples of units in data processing, data transmission, and digital information, notably the bit and the byte, to indicate multiplication by a power of 2.

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Block (data storage)

In computing (specifically data transmission and data storage), a block, sometimes called a physical record, is a sequence of bytes or bits, usually containing some whole number of records, having a maximum length, a block size.

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Board solid-state drive

The board solid-state drive, commonly referred to as the BSSD, is an implementation of a regular SSD, but in a different form factor and packaging, which is perhaps optimized for certain aspects of the storage device, such as cost or density.

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In computing, booting is starting up a computer or computer appliance until it can be used.

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Btrfs (pronounced as "butter fuss", "better F S", "butter F S", "b-tree F S", or simply by spelling it out) is a file system based on the copy-on-write (COW) principle, initially designed at Oracle Corporation for use in Linux.

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Cache (computing)

In computing, a cache, is a hardware or software component that stores data so future requests for that data can be served faster; the data stored in a cache might be the result of an earlier computation, or the duplicate of data stored elsewhere.

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Carnegie Mellon University

Carnegie Mellon University (commonly known as CMU) is a private research university in Pittsburgh, Pennsylvania.

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Ceph (software)

In computing, Ceph (pronounced or) is a free-software storage platform, implements object storage on a single distributed computer cluster, and provides interfaces for object-, block- and file-level storage.

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Completely Fair Queuing (CFQ) is an I/O scheduler for the Linux kernel which was written in 2003 by Jens Axboe.

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Charge-coupled device

A charge-coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for example conversion into a digital value.

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Cloud computing

Cloud computing is an information technology (IT) paradigm that enables ubiquitous access to shared pools of configurable system resources and higher-level services that can be rapidly provisioned with minimal management effort, often over the Internet.

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CompactFlash (CF) is a flash memory mass storage device used mainly in portable electronic devices.

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A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.

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Computer data storage

Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media that are used to retain digital data.

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The software utility cron is a time-based job scheduler in Unix-like computer operating systems.

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DailyTech is an online daily publication of technology news, founded by ex-AnandTech editor Kristopher Kubicki on January 1, 2005.

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Data recovery

In computing, data recovery is a process of salvaging (retrieving) inaccessible, lost, corrupted, damaged or formatted data from secondary storage, removable media or files, when the data stored in them cannot be accessed in a normal way.

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Data striping

In computer data storage, data striping is the technique of segmenting logically sequential data, such as a file, so that consecutive segments are stored on different physical storage devices.

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Deadline scheduler

The deadline scheduler is an I/O scheduler for the Linux kernel which was written in 2002 by Jens Axboe.

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In the maintenance of file systems, defragmentation is a process that reduces the amount of fragmentation.

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Dell (stylized as DELL) is an American multinational computer technology company based in Round Rock, Texas, United States, that develops, sells, repairs, and supports computers and related products and services.

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Dell EMC

Dell EMC (formerly EMC Corporation until 2016) is an American multinational corporation headquartered in Hopkinton, Massachusetts, United States.

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Device file

In Unix-like operating systems, a device file or special file is an interface to a device driver that appears in a file system as if it were an ordinary file.

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Device mapper

The device mapper is a framework provided by the Linux kernel for mapping physical block devices onto higher-level virtual block devices.

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DevSlp or DevSleep (sometimes referred to as device sleep or SATA DEVSLP) is a feature in some SATA devices which allows them to go into a low power "device sleep" mode when sent the appropriate signal, which uses one or two orders of magnitude less power than a traditional idle (about 5 mW, but some drives can get as low as 2.5 mW).

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Disk buffer

In computer storage, disk buffer (often ambiguously called disk cache or cache buffer) is the embedded memory in a hard disk drive (HDD) acting as a buffer between the rest of the computer and the physical hard disk platter that is used for storage.

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Disk read-and-write head

Disk read/write heads are the small parts of a disk drive which move above the disk platter and transform the platter's magnetic field into electrical current (read the disk) or, vice versa, transform electrical current into magnetic field (write the disk).

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Disk storage

Disk storage (also sometimes called drive storage) is a general category of storage mechanisms where data is recorded by various electronic, magnetic, optical, or mechanical changes to a surface layer of one or more rotating disks.

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dm-cache is a component (more specifically, a target) of the Linux kernel's device mapper, which is a framework for mapping block devices onto higher-level virtual block devices.

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DragonFly BSD

DragonFly BSD is a free and open source Unix-like operating system created as a fork of FreeBSD 4.8.

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Drive bay

A drive bay is a standard-sized area for adding hardware to a computer.

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Dynamic random-access memory

Dynamic random-access memory (DRAM) is a type of random access semiconductor memory that stores each bit of data in a separate tiny capacitor within an integrated circuit.

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Electromagnetic pulse

An electromagnetic pulse (EMP), also sometimes called a transient electromagnetic disturbance, is a short burst of electromagnetic energy.

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In engineering, electromechanics combines processes and procedures drawn from electrical engineering and mechanical engineering.

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Embedded system

An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints.

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In cryptography, encryption is the process of encoding a message or information in such a way that only authorized parties can access it and those who are not authorized cannot.

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Error correction code

In computing, telecommunication, information theory, and coding theory, an error correction code, sometimes error correcting code, (ECC) is used for controlling errors in data over unreliable or noisy communication channels.

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Error detection and correction

In information theory and coding theory with applications in computer science and telecommunication, error detection and correction or error control are techniques that enable reliable delivery of digital data over unreliable communication channels.

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The ext4 or fourth extended filesystem is a journaling file system for Linux, developed as the successor to ext3.

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F2FS (Flash-Friendly File System) is a flash file system initially developed by Samsung Electronics for the Linux kernel.

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Failure cause

Failure causes are defects in design, process, quality, or part application, which are the underlying cause of a failure or which initiate a process which leads to failure.

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Fibre Channel

Fibre Channel, or FC, is a high-speed network technology (commonly running at 1, 2, 4, 8, 16, 32, and 128 gigabit per second rates) providing in-order, lossless delivery of raw block data, primarily used to connect computer data storage to servers.

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File system

In computing, a file system or filesystem controls how data is stored and retrieved.

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File system fragmentation

In computing, file system fragmentation, sometimes called file system aging, is the tendency of a file system to lay out the contents of files non-continuously to allow in-place modification of their contents.

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Flash file system

A flash file system is a file system designed for storing files on flash memory–based storage devices.

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Flash memory

Flash memory is an electronic (solid-state) non-volatile computer storage medium that can be electrically erased and reprogrammed.

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Flash memory controller

A flash memory controller (or flash controller) manages the data stored on flash memory and communicates with a computer or electronic device.

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Flashcache is a disk cache component for the Linux kernel, initially developed by Facebook since April 2010, and released as open source in 2011.

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Floppy disk

A floppy disk, also called a floppy, diskette, or just disk, is a type of disk storage composed of a disk of thin and flexible magnetic storage medium, sealed in a rectangular plastic enclosure lined with fabric that removes dust particles.

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Forbes is an American business magazine.

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Fragmentation (computing)

In computer storage, fragmentation is a phenomenon in which storage space is used inefficiently, reducing capacity or performance and often both.

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FreeBSD is a free and open-source Unix-like operating system descended from Research Unix via the Berkeley Software Distribution (BSD).

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The fstab (or file systems table) file is a system configuration file commonly found at /etc/fstab on Unix and Unix-like computer systems.

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Fusion Drive

Fusion Drive is Apple Inc.'s name for its implementation of a hybrid drive.

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Fusion-io, Inc. was a computer hardware and software systems company (acquired by SanDisk Corporation in 2014) based in Cottonwood Heights, Utah, that designed and manufactured products using flash memory technology.

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The gigabit is a multiple of the unit bit for digital information or computer storage.

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Greenliant Systems

Greenliant Systems is an American manufacturer of NAND flash memory-based solid state storage and controller semiconductors for embedded systems and datacenter products.

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Hard disk drive

A hard disk drive (HDD), hard disk, hard drive or fixed disk is an electromechanical data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material.

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Hard disk drive performance characteristics

Higher performance in hard disk drives comes from devices which have better performance characteristics.

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Hard disk drive platter

A hard disk drive platter (or disk) is the circular disk on which magnetic data is stored in a hard disk drive.

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hdparm is a command line program for Linux to set and view ATA hard disk drive hardware parameters and test performance.

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Heat sink

A heat sink (also commonly spelled heatsink) is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant, where it is dissipated away from the device, thereby allowing regulation of the device's temperature at optimal levels.

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HGST, Inc. (formerly Hitachi Global Storage Technologies) is a wholly owned subsidiary of Western Digital that sells hard disk drives, solid-state drives, and external storage products and services.

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Hibernation (computing)

Hibernation (or suspend to disk) in computing is powering down a computer while retaining its state.

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Host adapter

In computer hardware, a host controller, host adapter, or host bus adapter (HBA) connects a computer, which acts as the host system, to other network and storage devices.

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Hybrid drive

In computing, a hybrid drive (solid state hybrid drive – SSHD) is a logical or physical storage device that combines a faster storage medium such as solid-state drive (SSD) with a higher-capacity hard disk drive (HDD).

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HyperOs HyperDrive

HyperDrive (HD) is a series of RAM-based solid-state drives invented by Accelerated Logic B.V. (became Accelerated Logic ltd., and is now a German company) employee Pascal Bancsi (for HyperDrive II architecture), who partnered with the British company HyperOs Systems, who manufactured the retail product.

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The i-RAM is a solid-state storage device produced by Gigabyte and released in June 2005.

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illumos is a free and open-source Unix operating system.

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InfiniBand (abbreviated IB) is a computer-networking communications standard used in high-performance computing that features very high throughput and very low latency.

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Integrated circuit

An integrated circuit or monolithic integrated circuit (also referred to as an IC, a chip, or a microchip) is a set of electronic circuits on one small flat piece (or "chip") of semiconductor material, normally silicon.

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Intel Corporation (stylized as intel) is an American multinational corporation and technology company headquartered in Santa Clara, California, in the Silicon Valley.

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International Committee for Information Technology Standards

The InterNational Committee for Information Technology Standards (INCITS), (pronounced "insights"), is an ANSI-accredited standards development organization composed of Information technology developers.

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Iometer is an I/O subsystem measurement and characterization tool for single and clustered systems.

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Input/output operations per second (IOPS, pronounced eye-ops) is an input/output performance measurement used to characterize computer storage devices like hard disk drives (HDD), solid state drives (SSD), and storage area networks (SAN).

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The JEDEC Solid State Technology Association is an independent semiconductor engineering trade organization and standardization body.

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Journalling Flash File System version 2 or JFFS2 is a log-structured file system for use with flash memory devices.

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JFS (file system)

Journaled File System or JFS is a 64-bit journaling file system created by IBM.

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Kernel-based Virtual Machine

Kernel-based Virtual Machine (KVM) is a virtualization infrastructure for the Linux kernel that turns it into a hypervisor.

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kernel.org is the main distribution point of source code for the Linux kernel, which is the base of the Linux operating system.

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The kibibyte is a multiple of the unit byte for quantities of digital information.

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Latency (engineering)

Latency is a time interval between the stimulation and response, or, from a more general point of view, a time delay between the cause and the effect of some physical change in the system being observed.

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Lenovo Group Ltd. or Lenovo PC International, often shortened to Lenovo (formerly stylized as lenovo), is a Chinese multinational technology company with headquarters in Beijing, China and Morrisville, North Carolina.

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Linux is a family of free and open-source software operating systems built around the Linux kernel.

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Linux distribution

A Linux distribution (often abbreviated as distro) is an operating system made from a software collection, which is based upon the Linux kernel and, often, a package management system.

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Linux kernel

The Linux kernel is an open-source monolithic Unix-like computer operating system kernel.

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List of Intel chipsets

This article provides a list of motherboard chipsets made by Intel, divided into three main categories: those that use the PCI bus for interconnection (the 4xx series), those that connect using specialized "hub links" (the 8xx series), and those that connect using PCI Express (the 9xx series).

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List of solid-state drive manufacturers

This is a list of manufacturers of solid-state drives (SSD) for computers and other electronic devices that require data storage.

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Log-structured file system

A log-structured filesystem is a file system in which data and metadata are written sequentially to a circular buffer, called a log.

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Loop device

In Unix-like operating systems, a loop device, vnd (vnode disk), or lofi (loop file interface) is a pseudo-device that makes a file accessible as a block device.

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LWN.net is a computing webzine with an emphasis on free software and software for Linux and other Unix-like operating systems.

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M-Systems Ltd., (sometimes spelled msystems) was a Nasdaq-listed Israeli producer of flash memory storage products founded in 1989 by Dov Moran and based in Kfar Saba, Israel.

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M.2, formerly known as the Next Generation Form Factor (NGFF), is a specification from 2013 for internally mounted computer expansion cards and associated connectors.

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MacBook Air

The MacBook Air is a line of Macintosh subnotebook computers developed and manufactured by Apple Inc. It consists of a full-size keyboard, a machined aluminum case, and a thin light structure.

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Magnetic field

A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.

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Magnetic storage

Magnetic storage or magnetic recording is the storage of data on a magnetized medium.

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Magnetoresistive random-access memory

Magnetoresistive random-access memory (MRAM) is a non-volatile random-access memory technology available today that began its development in mid-1980s.

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Mean time between failures

Mean time between failures (MTBF) is the predicted elapsed time between inherent failures of a mechanical or electronic system, during normal system operation.

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The mebibyte is a multiple of the unit byte for digital information.

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Memoright is a Taiwan based storage products house founded in March 2006.

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Memory card

A memory card, flash card or memory cartridge is an electronic flash memory data storage device used for storing digital information.

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Memory latency

In computing, memory latency is the time (the latency) between initiating a request for a byte or word in memory until it is retrieved by a processor.

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Memory scrubbing

Memory scrubbing consists of reading from each computer memory location, correcting bit errors (if any) with an error-correcting code (ECC), and writing the corrected data back to the same location.

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Microchip Technology

Microchip Technology is an American manufacturer of microcontroller, memory and analog semiconductors.

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Micron Technology

Micron Technology, Inc. is an American global corporation based in Boise, Idaho.

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A microsecond is an SI unit of time equal to one millionth (0.000001 or 10−6 or 1/1,000,000) of a second.

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Microsoft Corporation (abbreviated as MS) is an American multinational technology company with headquarters in Redmond, Washington.

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Microsoft TechNet

Microsoft TechNet is a Microsoft web portal and web service for IT professionals.

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Mission critical

A mission critical factor of a system is any factor (component, equipment, personnel, process, procedure, software, etc.) that is essential to business operation or to an organization.

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Multi-level cell

In electronics, a multi-level cell (MLC) is a memory element capable of storing more than a single bit of information, compared to a single-level cell (SLC) which can store only one bit per memory element.

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Netbook is a generic name given to a category of small, lightweight, legacy-free, and inexpensive laptop computers that were introduced in 2007.

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Noise is unwanted sound judged to be unpleasant, loud or disruptive to hearing.

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Non-volatile memory

Non-volatile memory (NVM) or non-volatile storage is a type of computer memory that can retrieve stored information even after having been power cycled.

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Noop scheduler

The NOOP scheduler is the simplest I/O scheduler for the Linux kernel.

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NTFS (New Technology File System) is a proprietary file system developed by Microsoft.

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A non-volatile dual in-line memory module (NVDIMM) is a type of random-access memory for computers.

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NVM Express

NVM Express (NVMe) or Non-Volatile Memory Host Controller Interface Specification (NVMHCIS) is an open logical device interface specification for accessing non-volatile storage media attached via a PCI Express (PCIe) bus.

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OCZ is a brand of Toshiba that is used for some of its solid-state drives (SSDs).

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The OLPC XO, previously known as the $100 Laptop, Children's Machine, and 2B1, is an inexpensive laptop computer intended to be distributed to children in developing countries around the world, to provide them with access to knowledge, and opportunities to "explore, experiment and express themselves" (constructionist learning).

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One Laptop per Child

One Laptop per Child (OLPC) is a non-profit initiative established with the goal of transforming education for children around the world; this goal was to be achieved by creating and distributing educational devices for the developing world, and by creating software and content for those devices.

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Online transaction processing

Online transaction processing (OLTP) is where information systems facilitate and manage transaction-oriented applications, typically for data entry and retrieval transaction processing.

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OpenSolaris is a discontinued, open source computer operating system based on Solaris created by Sun Microsystems.

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Operating system

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.

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Optical disc

In computing and optical disc recording technologies, an optical disc (OD) is a flat, usually circular disc which encodes binary data (bits) in the form of pits (binary value of 0 or off, due to lack of reflection when read) and lands (binary value of 1 or on, due to a reflection when read) on a special material (often aluminium) on one of its flat surfaces.

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Optical disc drive

In computing, an optical disc drive (ODD) is a disc drive that uses laser light or electromagnetic waves within or near the visible light spectrum as part of the process of reading or writing data to or from optical discs.

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Original equipment manufacturer

An Original Equipment Manufacturer (OEM) is a company that produces parts and equipment that may be marketed by another manufacturer.

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Oxford University Press

Oxford University Press (OUP) is the largest university press in the world, and the second oldest after Cambridge University Press.

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In computer operating systems, paging is a memory management scheme by which a computer stores and retrieves data from secondary storage for use in main memory.

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Parallel ATA

Parallel ATA (PATA), originally, is an interface standard for the connection of storage devices such as hard disk drives, floppy disk drives, and optical disc drives in computers.

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Partition alignment

Partition alignment is the proper alignment of partitions to the boundaries available in a data storage device.

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PCI Express

PCI Express (Peripheral Component Interconnect Express), officially abbreviated as PCIe or PCI-e, is a high-speed serial computer expansion bus standard, designed to replace the older PCI, PCI-X, and AGP bus standards.

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Persistence (computer science)

In computer science, persistence refers to the characteristic of state that outlives the process that created it.

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Personal computer

A personal computer (PC) is a multi-purpose computer whose size, capabilities, and price make it feasible for individual use.

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The petabyte is a multiple of the unit byte for digital information.

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Phoronix is a technology website that offers insights regarding the development of the Linux kernel, product reviews, interviews, and news regarding free and open-source software by monitoring the Linux kernel mailing list or interviews.

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RAID (Redundant Array of Independent Disks, originally Redundant Array of Inexpensive Disks) is a data storage virtualization technology that combines multiple physical disk drive components into one or more logical units for the purposes of data redundancy, performance improvement, or both.

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Random access

In computer science, random access (more precisely and more generally called direct access) is the ability to access any item of data from a population of addressable elements roughly as easily and efficiently as any other, no matter how many elements may be in the set.

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Random-access memory

Random-access memory (RAM) is a form of computer data storage that stores data and machine code currently being used.

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In computer science, read-modify-write is a class of atomic operations (such as test-and-set, fetch-and-add, and compare-and-swap) that both read a memory location and write a new value into it simultaneously, either with a completely new value or some function of the previous value.

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ReadyBoost (codenamed EMD) is a disk caching software component developed by Microsoft for Windows Vista and included in later versions of the Windows operating system.

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Reliability engineering

Reliability engineering is a sub-discipline of systems engineering that emphasizes dependability in the lifecycle management of a product.

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Revolutions per minute

Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min) is the number of turns in one minute.

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SandForce was an American fabless semiconductor company based in Milpitas, California, that designed and manufactured flash memory controllers for solid-state drives (SSDs).

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SanDisk is a manufacturer of flash memory products, including memory cards and readers, USB flash drives, and solid state drives.

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SATA Express

SATA Express (abbreviated from Serial ATA Express and sometimes unofficially shortened to SATAe) is a computer bus interface that supports both Serial ATA (SATA) and PCI Express (PCIe) storage devices, initially standardized in the SATA 3.2 specification.

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Small Computer System Interface (SCSI) is a set of standards for physically connecting and transferring data between computers and peripheral devices.

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Secure Digital

Secure Digital (SD) is a non-volatile memory card format developed by the SD Card Association (SDA) for use in portable devices.

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Serial ATA

Serial ATA (SATA, abbreviated from Serial AT Attachment) is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives, optical drives, and solid-state drives.

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Serial ATA International Organization

Serial ATA International Organization (SATA-IO) is an independent, non-profit organization which provides the computing industry with guidance and support for implementing the SATA specification.

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Serial Attached SCSI

In computing, Serial Attached SCSI (SAS) is a point-to-point serial protocol that moves data to and from computer-storage devices such as hard drives and tape drives.

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Server (computing)

In computing, a server is a computer program or a device that provides functionality for other programs or devices, called "clients".

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Shadow Copy

Shadow Copy (also known as Volume Snapshot Service, Volume Shadow Copy Service or VSS) is a technology included in Microsoft Windows that allows taking manual or automatic backup copies or snapshots of computer files or volumes, even when they are in use.

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Small Form Factor Committee

The Small Form Factor Committee is an ad hoc electronics industry group formed to quickly develop interoperability specifications (as a complement to the traditional standards process).

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Smart Response Technology

In computing, Smart Response Technology (SRT, also called SSD Caching before it was launched) is a proprietary caching mechanism introduced in 2011 by Intel for their Z68 chipset (for the Sandy Bridge–series processors), which allows a SATA solid-state drive (SSD) to function as cache for a (conventional, magnetic) hard disk drive (HDD).

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Softpedia is a website from Romania that indexes information and provides primarily software information and downloads.

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Solaris (operating system)

Solaris is a Unix operating system originally developed by Sun Microsystems.

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Solder (or in North America) is a fusible metal alloy used to create a permanent bond between metal workpieces.

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Solid-state storage

Solid-state storage (sometimes abbreviated as SSS) is a type of non-volatile computer storage that stores and retrieves digital information using only electronic circuits, without any involvement of moving mechanical parts.

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Spin-up refers to the process of a hard disk drive or optical disc drive accelerating its platters or inserted optical disc from a stopped state to an operational speed.

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Standard RAID levels

In computer storage, the standard RAID levels comprise a basic set of RAID (redundant array of independent disks) configurations that employ the techniques of striping, mirroring, or parity to create large reliable data stores from multiple general-purpose computer hard disk drives (HDDs).

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STec, Inc.

sTec is an American computer data storage technology company headquartered in California,Bloomberg BusinessWeek.

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Steven Sinofsky

Steven Jay Sinofsky (born 1965) is a former President of the Windows Division at Microsoft from July 2009 until his departure on November 13, 2012.

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Storage Networking Industry Association

The Storage Networking Industry Association (SNIA) is an association of producers and consumers of computer data storage networking products.

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Storage Technology Corporation

Storage Technology Corporation (StorageTek or STK; a.k.a. STC until about 1983), is a data storage technology company headquartered in Redwood Shores, San Francisco Bay Area, California.

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Streaming media

Streaming media is multimedia that is constantly received by and presented to an end-user while being delivered by a provider.

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A subnotebook (also called an ultraportable, superportable or mini notebook) is a class of laptop (or 'notebook') computers that are smaller and lighter than a typical notebook.

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Sun Microsystems

Sun Microsystems, Inc. was an American company that sold computers, computer components, software, and information technology services and created the Java programming language, the Solaris operating system, ZFS, the Network File System (NFS), and SPARC.

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Super Talent Technology

Super Talent Technology, headquartered in San Jose, California, designs and manufactures flash memory based storage products for enterprise servers, workstations, personal computers and consumer electronics.

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Tablet computer

A tablet computer, commonly shortened to tablet, is a portable personal computer, typically with a mobile operating system and LCD touchscreen display processing circuitry, and a rechargeable battery in a single thin, flat package.

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Telecommunication is the transmission of signs, signals, messages, words, writings, images and sounds or information of any nature by wire, radio, optical or other electromagnetic systems.

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Telemetry is an automated communications process by which measurements and other data are collected at remote or inaccessible points and transmitted to receiving equipment for monitoring.

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The terabyte is a multiple of the unit byte for digital information.

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Texas Memory Systems

Texas Memory Systems, Inc.

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The New York Times

The New York Times (sometimes abbreviated as The NYT or The Times) is an American newspaper based in New York City with worldwide influence and readership.

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The Tech Report

The Tech Report is a web site dedicated to covering personal computing technology and culture.

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Thermal design power

The thermal design power (TDP), sometimes called thermal design point, is the maximum amount of heat generated by a computer chip or component (often the CPU or GPU) that the cooling system in a computer is designed to dissipate under any workload.

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Thin client

A thin client is a lightweight computer that has been optimized for remoting into a server-based computing environment.

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ThinkPad is a line of laptop computers and tablets developed by Lenovo.

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Trim (computing)

A trim command (known as TRIM in the ATA command set, and UNMAP in the SCSI command set) allows an operating system to inform a solid-state drive (SSD) which blocks of data are no longer considered in use and can be wiped internally.

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UBIFS (UBI File System, more fully Unsorted Block Image File System) is a filesystem for unmanaged flash memory devices.

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Ubuntu (operating system)

Ubuntu (stylized as ubuntu) is a free and open source operating system and Linux distribution based on Debian.

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The ULLtraDIMM is a solid state storage device from SanDisk that connects flash storage directly onto the DDR3 memory bus.

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Ultrabook is an Intel specification and trademark for a line of high-end subnotebook computers featuring reduced bulk without compromising battery life.

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Unix File System

The Unix file system (UFS; also called the Berkeley Fast File System, the BSD Fast File System or FFS) is a file system supported by many Unix and Unix-like operating systems.

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USB (abbreviation of Universal Serial Bus), is an industry standard that was developed to define cables, connectors and protocols for connection, communication, and power supply between personal computers and their peripheral devices.

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Video editing

Video editing is the manipulation and arrangement of video shots.

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Volatile memory

Volatile memory, in contrast to non-volatile memory, is computer memory that requires power to maintain the stored information; it retains its contents while powered on but when the power is interrupted, the stored data is quickly lost.

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Wear and tear

Wear and tear is damage that naturally and inevitably occurs as a result of normal wear or aging.

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Wear leveling

Wear leveling (also written as wear levelling) is a technique Wear leveling techniques for flash EEPROM systems.

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Windows Registry

The registry is a hierarchical database that stores low-level settings for the Microsoft Windows operating system and for applications that opt to use the registry.

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Windows Vista

Windows Vista (codenamed Longhorn) is an operating system by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs and media center PCs.

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Windows Vista I/O technologies

Windows Vista introduced a number of new I/O functions to the Microsoft Windows line of operating systems.

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Write amplification

Write amplification (WA) is an undesirable phenomenon associated with flash memory and solid-state drives (SSDs) where the actual amount of information physically written to the storage media is a multiple of the logical amount intended to be written.

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Write protection

Write protection is any physical mechanism that prevents modification or erasure of valuable data on a device.

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XFS is a high-performance 64-bit journaling file system created by Silicon Graphics, Inc (SGI) in 1993.

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ZFS is a combined file system and logical volume manager designed by Sun Microsystems and now owned by Oracle Corporation.

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3D XPoint

3D XPoint (pronounced three dee cross point) is a non-volatile memory (NVM) technology by Intel and Micron Technology; it was announced in July 2015 and is available on the open market under brand names Optane (Intel) and subsequently QuantX (Micron) since April 2017.

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[1] https://en.wikipedia.org/wiki/Solid-state_drive

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