Aluminum Design Compatible with Serial ATA Specification Revision 2.6 Connects to 3.5” SATA I/II hard drive Compatible with USB2.0 (480Mbps), and 1.1 (12Mbps) specification Compliant with USB Mass Storage Class, Bulk-Only Transport specification Revision 1.3 Included External Power Supply 12V, 2A Supports Plug-and-Play and USB Hot Plug With Power ON/OFF Supports Windows 98SE/ME/2000/2003/XP/Vista/7, and MAC OS