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  • Very fast card

    posted by spinron2 on 01/02/2011

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month


    It's fast. A quick benchmark with bonnie yielded around 18/16 MB/s R/W rate for contiguous transfers, which is the highest I've seen in an SD card.


    Nothing serious. Highly random access is much slower, naturally. A lot depends on the workload, of-course. Obviously the on-board flash controller wasn't optimized for random data access patterns.


    I'm using this as system disk for a PandaBoard, and it works beautifully.


    In common use, such as a storage medium for still/video cameras, or media-players, this is probably as good as it gets. The price is pretty good, too.

    On the other hand, if you want this card to serve as a hard-disk replacement with a lot of random I/O to smaller files, then this *might* not be optimal. I suspect there are other class 6 or maybe even class 4 cards that may be faster under certain random loads.

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