Coolmax 3.5-Inch Aluminum USB3.0 Hard Drive Enclosure, Black (HD-381BK-U3) Supports most 3.5" SATA I/II hard drive Transfer Rate: USB3.0 - upto 5Gbps; USB2.0 - upto 480Mbps Material: Aluminum HDD: 3.5" SATA I/II Hard Disk Drives upto 2TB System Required: Window XP/Vista/7 (32/64-bit); Windows 7 (32bit/64bit) compatible SuperSpeed USB 3.0 Interface, Backwards compatible with USB 2.0/ 1.2