Hornettek HT-318U3B Goliath USB3.0 and 3.5Inch External Enclosure with 80mm Built-in Cooling Fan Black (HT-318U3B) Universal fitting for 3.5 inches SATA HDD Complies with the USB 3.0 interface Power On/Off for internal cooling fan USB Supports Window 2000/XP/Vista/7, and Mac OS 9.x/10.x and above, Linux kernel after 2.4.1.0 Power Adapter, 100-240 VAC(47Hz~63Hz), 12V/2A output Front and side Aluminum with back ABS panel