Vantec NexStar MX Dual Bay 3.5 SATA to USB 3.0 / eSATA RAID Enclosure AC Adapter: Yes Material: Aluminum / Plastic Dimensions: 7.76 x 4.84 x 2.83 Fan: Yes Operating Systems Supported: Microsoft Windows XP / Vista / 7 Mac OS X 10.4 Package Contents: NexStar MX Power Adapter USB 3.0 Cable eSATA Cable User's Manual