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The performance boost for the ultra fast USB peripheralsDownward compatible to USB 2.0/1.1 devicesSupported data transfer rates: Super-speed (5 Gbps), High-speed (480 Mbps), Full-speed (12 Mbps) and Low-speed (1.5 Mbps)Supports Plug and Play and hot swappingCompliant with universal serial bus 3.0 specificationCompliant with PCI-Express base specification 2.0Supports PCI bus power management interface specification