4PT USB 2.0 HUB HS DATA TRANSFER RATE TO 480MBPS Tripp Lite's U225-004-R, 4-port, USB 2.0 Hub, allows you to attach and link all of your USB devices (up to 127) to your computer, via the USB port. The hub supports all three data transfer speeds: low speed (1.5 Mbps), full speed (12 Mbps) and Hi-Speed (480 Mbps). Includes 6 ft USB 2.0 Computer to Hub cable (A-B). Tripp Lite warrants this hub to be free from defects in materials and workmanship for life.