Rosewill RX35-AT-IU BLK - Aluminum 3.5 Black IDE USB 2.0 External Enclosure AC Adapter: Yes Material: Aluminum Dimensions: 7.60 x 4.45 x 1.22 Maximum Capacity (per Bay): Up to 320GB Operating Systems Supported: WinXP/Vista/Win7 ,and MAC OS 10.x and Above,and Linux2.6.x or Above