USB 2.0 PCI-E Expansion Card External 4x 9Pin Header(Can convert 8-port USB2.0) PCIe Card Adapter with 4pin IDE Power Connector. This PCI-Express 2.0 USB 2.0 Host Controller Card complies with the Universal Serial Bus 2.0. Standard and PCI Express Generation 2 specification. The product is compatible with current USB 2.0 devices running at High-Speed (480 Mbps), Full-Speed (12 Mbps), and Low-Speed(1.5 Mbps) modes. This product is an ideal choice for desktop computer needing larger volume and higher speed data transfer connectivity with USB devices, such as external Hard Disk Drive, Solid State Drive (SSD), etc.