Secure Digital and Solid-state drive

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Difference between Secure Digital and Solid-state drive

Secure Digital vs. Solid-state drive

Secure Digital (SD) is a non-volatile memory card format developed by the SD Card Association (SDA) for use in portable devices. A solid-state drive (SSD) is a solid-state storage device that uses integrated circuit assemblies as memory to store data persistently.

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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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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Booting

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

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Btrfs

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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CompactFlash

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

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DailyTech

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

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Defragmentation

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

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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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Ext4

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

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F2FS

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

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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 memory

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

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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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FreeBSD

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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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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IOPS

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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Linux

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

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Linux kernel

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

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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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Microsoft

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

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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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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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NTFS

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

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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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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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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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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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SanDisk

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

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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

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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Wear leveling

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

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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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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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