Super-Speed USB 3.0 interface is the next revolution in I/O interconnect standards that will deliver the bandwidth and features required by PCs, consumer electronics and communications devices. With 10 times faster throughput than USB 2.0 standard and backward compatible with current USB device features, USB 3.0 interface will be the trendy of IT technology.\n\nThis board is a 4-port Super-Speed USB 3.0 PCI Express card. It is compliant with the PCI Express Generation 2 specification for host PC system. It works up to 5 Gbps for data transfer when connecting to USB 3.0 compliant peripherals, while maintaining compatibility with existing USB peripheral devices.\n\nThis board supports USB 3.0 High-Speed device and backward compatible with current USB 2.0 High-Speed and USB 1.1 Full-Speed device. It is an ideal choice for external storage devices, MP3 players, external DVD Writer, Card Readers, digital cameras, webcams, networking, video devices, and all other USB devices.\n\n- Fully compliant with PCI Express Base Specification Revision 2.0\n- Support USB Battery Charging Specification Revision 1.2\n- Single-lane (x1) PCI Express throughput rates up to 5 Gbps\n- Compliant with Universal Serial Bus 3.0 specification Revision 1.0\n- Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices\n- Supports the following speed data rates as follows:\n- Low-speed (1.5Mbps) / Full-speed (12Mbps) / High-speed (480Mbps) / Super-speed (5Gbps)\n- Compliant with Intel’s eXtensible Host Controller Interface (xHCI) Specification Revision 1.0\n- Supports 4 downstream ports for all speeds\n- Built-in 4-pin power connector for receiving extra power supply from system