SD Express memory cards can reach max of 3938 MB/s in latest specification

Discussion in 'Frontpage news' started by Hilbert Hagedoorn, May 20, 2020.

  1. Hilbert Hagedoorn

    Hilbert Hagedoorn Don Vito Corleone Staff Member

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  2. Drazen

    Drazen Member

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    Yeah, that's NVMe SSD in SD package.
    But NVMes are huge compared to SDs and by reason - parallelism increases performance. In SD everything is in one package, controller, FLASH and probably on RAM.
     
  3. Kaarme

    Kaarme Ancient Guru

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    Eh, M.2 SSDs aren't huge in comparison. The huge difference is in the interface. An SD card has a very limited amount of pins to use for data transfer (like four, I think), compared to the M.2 socket, which has multiple times of that.
     
  4. EspHack

    EspHack Ancient Guru

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    maybe phones and tiny stuff switch to this as main memory instead of soldered-on chips? microsoft already did it with the tiniest m.2 2230 cards on their surface pro/laptop products, I've had more than one phone fail because of the internal flash memory dying
     

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