Tripp Lite U360-004-MINI is a compact, 4-Port USB 3.0 SuperSpeed hub, with built-in cable, that provides up to 5Gbps transfer rates in a compact, portable format ( Computer and devices must be both USB3.0 rated to achieve maximum 5Gbps speeds ). Hub is backward compatible to USB 2.0 and 1.1, so that older USB devices can be attached ( devices will run at their native speeds of 480Mbps and 12Mbps respectively ).