USB3.0 Specification compliant, backward compatible with USB2.0 & USB1.1 4 external USB3.0 ports, 10x faster than USB2.0 Supports PCI-Express Rev. 1.0a
    USB3.0 data transfer rate up to 5Gbps 5V 4 pin connector to power USB devices from your PC power supply Plug and play installation Supports PC Windows XP/Vista/7/8
    Package Include 1 USB 3.0 express card (with 4-pin power connector) 1 CD Driver