Coolmax 3.5-Inch Aluminum SATA2-USB2.0 External HDD Enclosure, Copper (CD-391C-U2) Aluminum alloy case provides maximum heat dissipation and thermal efficiency 80mm fan with On/Off switch Case and mounting mechanism provides best protection for your hard drive Material: Aluminum / ABS Transfer Rate: USB 2.0 - 480 Mbps Supports 3.5" SATA/SATA2 HDD compatible upto 1.5 TB