ITEM NAME:PCI-E to USB 3.0 4Port PCI Express Card Controller Power Connector Description: PCIe USB3.0 expansion card adopts VIA main control chip - VL805, expansion card conforms to USB 3.0 specification - Supports USB 3.0 Super-Speed (5Gbps) and High-Speed (480Mbps) and Full-Speed (12Mbps), and down - Compatible with USB 2.0/1.1 standard. Adopts a control chip that supports the 5Gbps SuperSpeed USB 3.0 standard. Complies with PCI-Express specification version 2.0 Complies with USB3.0 SuperSpeed Specification Version 1.0 Specification: Meets the xHCI specification version 0.95 - Master chip: VL805 can transmit up to 5Gbps - Backward compatible with USB2.0, USB1.1, USB1.0 - Transmission rate: 5000/480/12/1.5Mbps - Big 4P power supply interface - Support USB hot plug function - Supports Windows xp/vista/7/8/8.1/10--32-bit and 64-bit systems - Microsoft WQHL certification Package Included: 1x PCI Express Card 1x Mounting Screw 1x CD.Support USB hot plug function. - Supports Windows xp/vista/7/8/8.1/10--32-bit and 64-bit systems. People always bought together with.