Trendnetrsquos usb 30 to gigabit adapter usb hub model tu3 etgh3 adds a gigabit ethernet port and three 5 gbps superspeed usb 30 ports to a windowsreg or macreg computer the tu3 etgh3 is also compatible with usb 20 and 11 ports an included optional power adapter provides full power to power hungry usb devices features gigabit ethernet adds a gigabit ethernet port superspeed usb 30 adds three usb 30 ports which support 5 gbps speeds when connected to a usb 30 port flexible