The first one I tried to write a file to was so slow that I ended up ejecting it, restarting my computer and reformatting the drive. But that didn't help much. From there I ran tests on all five. See attached graphs: I found that two drives clearly had problems (#1, #2), two worked but at less than half the speed of most USB 2.0 drives (#3, #4) , and only the last one (#5) lived up to expectations. I think there's a reason the price was so attractive. Two of them will go in the basket today, maybe more will follow later.
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