ORICO 7618US3-BK Too Feel Security Key USB 3.0 SDD/HDD Enclosure Up to 4TB AC Adapter: Yes Material: Aluminum Dimensions: 5.20x2.83x2.56 inches HDD Count Supported: Single HDD Maximum Capacity (per Bay): Up to 4TB Operating Systems Supported: Windows XP/Vista/7/8/MAC Weight: 1.94 lbs Package Contents: 1xORICO 7618US3-BK;1xUSB Cable;1x12V 2.5A Power Adapter;1xEnclosure Key;1x Aluminum Pallet