Super speed(5gbps) usb 3.0 7 port hub with power adapter Description: The ws-uh3072 usb 3.0 superspeed 7-port hub allows you to connect up to 7 usb 3.0/2.0 devices. With the speed advantage of usb 3.0, it offers a theoretical data transfer speed up to 5.0gbit/s. That's ten times faster than the usb 2.0 speed of 480mbit/s. It is a perfect usb 3.0 hub for everyone. Features: -7 usb 3.0 ports for easy expansion -supports a data transfer rate of up to 5gbps -plug-n-play, hot swappable -backward compatible with usb2.0/ 1.1 specifications -supports windows 2000, xp, vista, 7 , 8 and mac os x or later version -overcurrent protection -leds allow for easy status monitoring -self powered (also available: optional power port) -usb cable tucks away when not in use