4 ports super speed 5gbps usb 3.0 hub, support hot swapping, plug and play Description: 4-port high performance usb 3.0 superspeed hub and sleek compact design. Self-powered Properties for ultrabook / laptop / tablet partner overall arragement make to become user Friendly.It can be used on usb 3.0 hdd, high-resolution camera, video surveillance cameras, Digital video cameras and variety of audio and other peripheral devices. Features: -4 usb 3.0 ports super-speed interface support transfer rates up to 5gbps -support hot swapping, plug and play to reach user friendly -led indicators display power on/off -slef-powered properties -build in surge protector in each port to the computer safety -build in recovery fuse protection on each usb power port -supports microsoft windows xp/vista/7/8 & mac os x above/linux -backward compatible with usb 2.0/ usb 1.1 System requitement: Usb 2.0/3.0 port Note: some usb 3.0 host card require installation newest driver for the usb divece to reach Optimal usb 3.0 compatible performance.(recommeded). Package content: Usb 3.0 4-port hub x1