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SD card reliability

Discussion in 'Hobby Electronics' started by F Murtz, Sep 12, 2013.

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  1. F Murtz

    F Murtz Guest

    How reliable are 128gb SD cards? I am thinking of using one in a SONY
    vaio ultrabook with 128 Gb ssd drive as extra memory but at $100 or so I
    would hope it to last.
  2. All flash memory has a finite number of write cycles, but unlike SSD drives
    where they've developed newer and better technologies to greatly (by two
    orders of magnitude) increase their longevity, common SD cards are still
    made with older flash technology.

    For storage use, you'll have no problems - but if you're going to be writing
    to it frequently (definitely _don't_ designate it for storage of your
    swapfile), you'll find it failing sooner rather than later.
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