It looks like all the fastest drives I benchmarked support it, while all the slowest ones don't. No huge surprise there; the faster drives use better chipsets that are built for SSD performance. The Arcanite is an outlier, though. It doesn't support UASP, but it does perform very well for its price. And it sometimes behaves a little like an SSD—I'll talk about that in a bit. Performance For the se