Hornettek Hover SSC 3.5" External Enclosure SATA I/II/III to eSATA/USB2.0 w/ Dual 50mm Fans Universal fitting for 3.5" SATA I / II /III HDD Back panel Power ON/OFF switch Complies with the USB-IF specifications for USB 2.0 Operates at High USB 2.0 (480Mbps) or Full (12Mbps) speed. Complies with eSATA, speed up to 3G/sec AC input: 100-240 VAC. (47Hz~63Hz) DC output: 12V / 2A Material: ABS 94V0 shell (Aluminum Cover and internal metal Shielding)