not very fast
I'm taking off 1 star because it's not very fast, but for the price it's forgivable: 9.5MB/sec writing on small files (Drivers), I've already had the 256GB version for a year and use it every day, which is faster but gave me read errors on my DENON amp (FLAC files), after a slow reformat and music put back on it works again. I use the 64GB drive as a bootable key to install Windows and I've been able to put all my drivers on it (39.4GB).