BELKIN F5U210 Hi-Speed USB 2.0 / FireWire External Drive Enclosure Kit Includes a top quality Universal Switching Power Supply, and a large fan to cool the drive and keep it operating smoothly at safe temperature levels Opens easily, and adjusts to fit a variety of drives Requires computer with Hi-Speed USB 2.0 or FireWire port running Windows 98SE through XP, Mac OS 8.6 through OS X 10.x at USB speeds up to 12Mbps Supports FireWire speeds up to 400Mbps Package includes screws and driver CD