Features: 1.SAFE TO USE: PCIe cards are easy to install and draw power directly from the PCIe connector. USB Type A ports provide 5W of power and USB Type C ports up to 15W. All ports are short circuit protected. 2.HIGH SPEED TRANSMISSION: One USB port shares 10Gbps transmission speed, and the remaining four ports share another 10Gbps total transmission speed, up to 20Gbps. Each port supports data transfer at up to 10Gbps when used only. 3.WIDE COMPATIBILITY: Universal PCIE interface, supports motherboards with X4, X8, and X16 slot interfaces, and is compatible with for Windows 7, 8, 10, and for OS X 10.8.2 and higher. 4.SAFETY PROTECTION: New circuit design with overcurrent protection, switching and ESD protection, effectively preventing potential damage.3 USB3.2 ports, Type C2 ports, easy to connect devices. 5.CONVENIENT TO USE: No driver installation (only for Windows 7 need to install driver), PCle card directly from the PCle interface to obtain power and reduce the voltage to 5V, eliminating the need for external power supply. specification:Item Type: PCIE to Type C Expansion Card Material: PCB Number of Ports: USB A x 3 and USB Type C x 2 Transfer Speed: 10Gpbs (exclusive) and 10Gpbs (shared) Socket Type: PCIe X4, X8, X16 Compatible Systems: for Windows 7 8 10 and for OS X 10.8.2 Driver: Drive Free (only for Windows 7 Requires Driver Installation) External Power Supply: No External Power Required PackageList: 1 x Expansion Card 1 x DriverCD ROM 1 x Instruction Manual 2 x Screws