The SanDisk Ultra USB 3.0 Flash Drive combines faster data speeds and generous capacity in a compact, stylish package. Spend less time waiting and transfer files to the drive up to ten times faster than with a standard USB 2.0 drive. the drive can accommodate your bulkiest media files and documents. Specification Capacity 64 GB Interface USB 3.0 Connector USB-A Compatibility USB 3.0 (backwards compatible with USB 2.0) Dimensions (L x W x H) 0.42″ x 0.87″ x 0.31″ Sequential Read Performance Up to 130MB/s