Winten 64GB USB 3.0 WT-UPG3.0-64GB-BK Flash Drive (up to 90MB/s) Save and transfer quicker with the USB 3.0 interface : Read 90 MB/s(max) Write 45MB/s(max) Design with rotating stainless steel shell, 0.6 cm thickness Reliably stores files, photos, videos and more Compatible with PC and Mac systems Compatible with USB 2.0