Usb 3.0 hub usb por hub suppliers charger plug-play, hot swappable and portable Descriptions: -the ws-uh3043 4-port usb3.0 hub provides 4 supper-speed usb3.0 ports for your high-speed connectivity needs -this device is usb3.0 and provides a data transfer rate of up to 5gbps -the ws-uh3043 also supports usb2.0/1.1 devices since it is backward compatible with usb2.0/1.1 specifications -it is very easy to use, plug-n-play, hot swappable and portable Features: -4 usb3.0 ports for easy expansion -supports a data transfer rate of up to 5gbps -plug-n-play, hot swappable -backward compatible with usb1.1 specifications -supports windows 2000, xp, vista, 7 and mac os x or later version -over-current protection -led allows for easy status monitoring -self-powered (also available: optional power port) -usb cable tucks away when not in use