1、6 Ports: The PCIE to USB expansion card upgrades your desktop computer to 6 USB 0 ports via a PCI Express x1 slot 2、Wide Compatible: The 6 port USB pci express card compatible with for Win XP, for Win Vista, for Win 2008, for Win 7, for Win 8, for Win 8.1, for Win 10 32 to 64bit, etc., suitable for PCI Express x1 to x16 slot 3、Specifications Compliant: USB 0 PCI Express card compliant with the Open Host Controller Interface Specification for low speed (5Mbps)/full speed (12Mbps) speed signaling and the Enhanced Host Controller Interface Specification for high speed signaling (480Mbps) 4、Convenient and Practical: The USB 0 PCI Express card is compliant with the Universal Serial Bus Specification Revision 0. Solve the problem of fewer USB ports inside the computer host 5、Scope of Application: The USB0 hub internal can connect existing USB devices on the market, including mouse, printer, memory card reader, scanner, etc