Features Two hard drive docking bays Supports Hi-Speed USB 2.0 port Supports SATA I/II (SATA 150/300) Supports 2.5" and 3.5" hard drives Plug and Play - no additional drivers needed Supports Hot-Swap Silent cooling fan extends hard drive life by lowering its operating temperature Specifications Compliant with USB 1.1 and 2.0 specification Supports SATA 150/300, SATA II hot-plug and NCQ Power -- DC 12V/5V 2A Supports Hi-Speed USB (up to 480Mbps) System Requirements PC or Mac computer with an available USB port (USB 2.0 recommended) Windows 2000 / XP (32-/64-bit) / Server 2003 and 2008 (32-/64-bit) / Vista (32-/64-bit) Mac OS X v10.4.8 or higher Package Contents Cool Dual SATA to USB 2.0 docking station AC adapter, 5V/12V (2A)