Look Measurements: 77 x 55.7 x 9.6 mm / 3.03 x 2.19 x 0.38 in. 35 g (1.23 oz) in weight Black in color Interface USB Configuration USB 3.1 Gen 2 Storage Interface: USB Type C to USB Type A / USB Type C to USB Type C 3D NAND flash type with 240 GB, 480 GB, or 960 GB of capacity Environment of Operation Temperature range for operation: 0°C (32°F) to 70°C (158°F). 5V is the operating voltage. Note: The One Touch Auto-backup feature requires Transcend Elite software to function. Achievement Maximum reading speed of 520 MB/s Maximum Write Speed (MB/s) of 460 MB Note: Host hardware, software, usage, and storage capacity can all affect speed. CE, FCC, BSMI, KC, RCM, and EAC warranty certificates Three-year Limited Warranty Policy of Warranty For additional information, please click here.