Built with aluminum alloy for best heat dissipation, it also has a 4cm cooling fan to enhance the process. Plug and play, this device is easy to use, convenient, practical, and great for all users who wish to add an optical drive or peripheral. Don’t fuss about fiddling with cables and wires, opening and closing your system – install the drive and connect the enclosure up externally. It is great for all 3.5” and 5.25” IDE/PATA drives with an IEEE 1394 / FireWire interface for quick and easy transfer rates of up to 400 Mbps.