I've probably bought a dozen Turbo Attache 3's over the last few years, they cost a dime and had decent read speeds compared to other budget USB 3.0 flash devices moves. They weren't the best drives, but they were cheap enough that you didn't care if someone borrowed one and never returned it, and I've never had a single rejection. The new Turbo Attache 4 doesn't appear to be an improvement at all. They're physically about the same size (maybe a little thinner), just as cheap, but appear to be about 20% slower overall. I've been able to get read speeds of around 120-140MB/s on my 64GB Turbo 3s, and I can't get past 100MB/s on these newer ones. There doesn't seem to be any reason to bring them over the old version.
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