I bought this with the DVR I bought it for. At first I blamed the problem on only the first few files being usable on the camera, and when I tried to test this card out fairly quickly I realized it was fake. Only 2 GB could be used and after double formatting it is no longer usable and only reports an I/O (I/O) error. I have a small collection of SanDisk MSD cards and after finding all sorts of articles on the internet about fake SD cards, I went through everything and this one doesn't fit. Brief background, I was in the computer. Industry for almost 20 years and I can say with certainty that this card is not what it should be. Until now I did not know how numerous this problem with fakes is. I have to share and agree with the SanDisk PR statement, buy it personally from an authorized reseller. There is no way of knowing if it is fake until you try to use it if you order it online.
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