The USRobotics USB 3.0 Hub easily adds up to 4 USB 3.0 ports to your computer. Connect super speed peripherals like USB 3.0 external hard drives, digital video cameras, high-resolution webcams and save time with faster transfer rates of up to 5 Gbps. The blazing fast 5 Gbps transfer rate is up to 10 times faster than USB 2.0 (480 Mbps). The hub is backward compatible so while it is capable of super speed transfers, it also supports USB 2.0 and USB 1.1 speeds. Simultaneous transfers automaticallly detect USB type and transfer data at the maximum rate for each individual port.