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). Number of Ports: 4; For Use With: Multiple USB Devices To 1 Computer; Transfer Rate: 480 Mbps; Width: 3.25".