... control chipset, increase 4 ports USB3.0 interfaces on computers with USB3.0 interface, transfer rate up to 5Gbps. 12V/2A independent power ... and USB itself4. Conforms to USB3.0 interface specification, transfer rate up to 5Gbps, downward compatible with USB2.0/USB1.15. 12V/2A ... use at the same time.Product Specification Product nameORICO USB3.0 4 ports super speed hubProduct modelORICO H4988-U3Product ...