Tripp Lite's U225-004-R 4-port USB 2.0 Hub allows you to attach multiple USB devices to a single USB port on your computer. The hub supports all three data transfer speeds: low speed (1.5 Mbps), full speed (12 Mbps) and Hi-Speed (480 Mbps). Includes 4 ft USB 2.0 Computer to Hub cable (A-B).Package Includes: (1) USB 2.0 Cable; (1) 6 ft. 3-Pin Power Terminal Block; (1) DIN Rail-Mounting Hardware, (1) Wall-mounting Hardware; (1) Owner's Manual