Cirago International (Direct) 1.5 TB USB 2.0 External Hard Drive - CST4150 (Aluminum Silver with Black Trim) Compact Solution for USB 2.0 Interface High Speed USB 2.0 480 Mbps Aluminum case for sufficient cooling performance 3.5 inches form factor Support Window 7/Vista/2000/XP, Mac OS8.6 or above Compact Solution for USB 2.0 Interface High Speed USB 2.0 480 Mbps Aluminum case for sufficient cooling performance 3.5 inches form factor Support Window 7/Vista/2000/XP, Mac OS8.6 or above Includes stand for upright position Plug and play 12V 1.5A, AC/DC adapter included