Super Talent ST3U16EST2 Flash Drive Interface: USB 3.0 Capacity: 16 GB Sleek aluminum case with protective cap and key ring attachment Fully compatible with USB 3.0 and USB 2.0 (with some of the fastest USB 2.0 scores) USB powered - no external power is required Optimized performance when plugged into USB 2.0 ports Affordable, high capacity 2 channel USB 3.0 drive