Interface:SuperSpeed USB 3.2 Gen 1, backwards compatible with USB 2.0 Power Supply:USB Bus-Powered; No external power required Systems Supported:Windows 10/8.1/8 Mac OS 10.6.X or above Linux Kernel 2.6.X or above Dimensions:(L)24.3x(W)12x(H)4.5 mm Weight:2.4g