The USB 3.0 Hub is compliant with the USB 3.0 Super-Speed specification. It transmit up to 5Gbps which is 10x faster than USB 2.0. It has 4 ports which will connect either the USB 3.0 Super-Speed high performance peripherals or the legacy USB 2.0 or 1.1 devices. It"s providing easy plug and play USB expansion. All ports are fully supported for compatibility with bus-powered peripherals.