TRENDnet's USB 3.0 to Gigabit Adapter + USB Hub model TU3-ETGH3 adds a Gigabit Ethernet port and three 5 Gbps SuperSpeed USB 3.0 ports to a Windows or Mac computer. The TU3- ETGH3 is also compatible with USB 2.0 and 1.1 ports. An included optional power adapter provides full power to power hungry USB devices.