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  2. Card reader - Wikipedia

    en.wikipedia.org/wiki/Card_reader

    A card reader is a data input device that reads data from a card-shaped storage medium and provides the data to a computer. Card readers can acquire data from a card via a number of methods, including: optical scanning of printed text or barcodes or holes on punched cards, electrical signals from connections made or interrupted by a card's punched holes or embedded circuitry, or electronic ...

  3. Flashcache - Wikipedia

    en.wikipedia.org/wiki/Flashcache

    The current implementation will fetch reads through the SSD device and then deliver them to the actual reader. This means that previously uncached blocks will always need to go to the SSD device first, causing a constant write IO. Not an issue on enterprise SSD or highend PCIe devices as facebook uses, but degrades performance on lower end SSD.

  4. Removable media - Wikipedia

    en.wikipedia.org/wiki/Removable_media

    Examples of removable media that are standalone plug-and-play devices that carry their own reader hardwares include: USB flash drives [5] Portable storage devices. Dedicated external solid-state drives (SSD) Enclosured mass storage drives, i.e. modified hard disk drives (HDD)/internal SSDs; Peripheral devices that have integrated data storage ...

  5. Cache Acceleration Software - Wikipedia

    en.wikipedia.org/wiki/Cache_Acceleration_Software

    A cached copy of recently used data from slower storage is kept in faster SSD storage to improve I/O performance. [1] CAS entered Intel's product line as the result of Intel's August 2012 acquisition of a Canadian start-up company Nevex Virtual Technologies; [ 2 ] Intel re-branded Nevex CacheWorks product to CAS with the release of version 2.0 ...

  6. CompactFlash - Wikipedia

    en.wikipedia.org/wiki/CompactFlash

    CompactFlash IDE (ATA) emulation speed is usually specified in "x" ratings, e.g. 8x, 20x, 133x. This is the same system used for CD-ROMs and indicates the maximum transfer rate in the form of a multiplier based on the original audio CD data transfer rate, which is 150 kB/s.

  7. Solid-state storage - Wikipedia

    en.wikipedia.org/wiki/Solid-state_storage

    An SSD, in form of a 2.5-inch bay device that uses Serial ATA (SATA) interface Internals of an SD card , showing the flash memory and controller integrated circuits A solid-state drive (SSD) provides secondary storage for relatively complex systems including personal computers , embedded systems , portable devices , large servers and network ...

  8. Solid-state drive - Wikipedia

    en.wikipedia.org/wiki/Solid-state_drive

    Comparison of NAND-based SSD and HDD Attribute or characteristic Solid-state drive (SSD) Hard disk drive (HDD) Price per capacity SSDs are generally more expensive than HDDs and are expected to remain so.

  9. MultiMediaCard - Wikipedia

    en.wikipedia.org/wiki/MultiMediaCard

    The card is composed of two detachable parts, much like a microSD card with an SD adapter. The small memory card fits directly in a USB port and has MMC-compatible electrical contacts. With an included electromechanical adapter, it can also fit in traditional MMC and SD card readers.