Tripp Lites U360-004-R USB 3.0 SuperSpeed 4-port hub carries your data from a USB3.0 enabled computer at a blazing 5Gbps transfer rate. Connect to a variety of of USB enabled devices such as USB external hard drives (with external power adapters), cameras, printers and more. Backward compatible to previous USB generations. Bus powered, so requires no external AC power adapter. Sleek, compact design is perfect for USB port expansion.