FileMate HDD Enclosure 3.5in USB 3.0 Mirror Finish, Dark Gray (HDF-SU3) Made from a heat dissipating aluminum alloy material The enclosures are designed for reliability and performance This device is manufactured in China Internal Interface: SATA External Interface: USB 3.0 Superspeed USB 3.0 Up To 5Gbps Made Form Heat Dissipating Aluminum Alloy Plug & Play Compact And Great For Travel LED activity indicator