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  2. The best SD card readers - Engadget

    www.engadget.com/2017-06-09-the-best-sd-card...

    For faster SD cards: SanDisk Extreme Pro SD UHS-II Card USB-C Reader. The SanDisk is nearly three times as fast as our top pick, but it costs about twice as much. Photo: Kimber Streams. If you use ...

  3. 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 ...

  4. Memory card reader - Wikipedia

    en.wikipedia.org/wiki/Memory_card_reader

    A memory card reader is a device for accessing the data on a memory card such as a CompactFlash (CF), Secure Digital (SD) or MultiMediaCard (MMC). Most card readers also offer write capability, and together with the card, this can function as a pen drive . Some printers and Smartphones have a built-in card reader, as do many laptops and the ...

  5. SD card - Wikipedia

    en.wikipedia.org/wiki/SD_card

    Secure Digital Standard Capacity (SD) logo. The specification defines cards with a capacity of up to 2 GB. The second-generation Secure Digital (SDSC or Secure Digital Standard Capacity) card was developed to improve on the MultiMediaCard (MMC) standard, which continued to evolve, but in a different direction.

  6. Hacks turn Square's reader into a card-stealing ... - Engadget

    www.engadget.com/2015-08-03-square-reader-card...

    Square is helping to lead the way with our own card readers for chip cards and contactless payments. "Any card reader on the market can be deconstructed. The chip could be crushed and then ...

  7. SD Cards Aren't As Secure As We Think | TechCrunch

    techcrunch.com/2013/12/29/sd-cards-arent-as...

    SD cards are woefully insecure. In a detailed and readable post, Huang describes the exact problems with Flash memory. In order to reduce the price and increase the storage space, engineers have ...

  8. Write once read many - Wikipedia

    en.wikipedia.org/wiki/Write_once_read_many

    The most common form, only available when using a full-size SD card, provides a physical write protection switch which allows the user to advise the host card reader to disallow write access. This does not protect the data on the card if the card reader hardware is not built to respect the write protection switch.

  9. Engadget

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