USB 3 is much worse than his colleague of 32 GB (42 to 43 MB per second for USB3 5GB Mp4 files ...) and the Platinum 177497 USB 64GB (environ30 GB per second for 5GB USB3 Mp4 files ......) For the same files, it does barely 20 GB per second ... It's not bad compared to other keys and especially considering its ability ...