Features: 1.FAST TRANSFER SPEED: Up to 20Gbps USB 3.2 interface, enjoy fluent data transfer and gaming experience. 4 independent power ports support 5 mobile hard drives working at the same time to meet the demand for synchronized transmission of multiple devices. 2.USB 3.2: 3x USB Type C port and 2x USB Type A ports share 10Gbps bandwidth together, and the remaining 2x ports share another 10Gbps bandwidth, for a total bandwidth of up to 20Gbps for the PCIe card. Each port supports data transfer rates of up to 10Gbps when used individually. 3.PRACTICAL ACCESSORY: This USB expansion card is a necessity for external hard drives and is ideal for file transfers. (Note: Actual transfer speeds may be limited by the connected device.) 4.WIDE COMPATIBILITY: PCIe to Type C expansion card adopts universal PCIe interface, supports motherboards with X4 X8 X16 slot interface, compatible with for Windows 7 8 10 and for OS X 10.8.2 and higher. 5.SAFETY PROTECTION: PCI Express to Type C expansion card adopts a new circuit design with over current protection, switch or ESD protection to effectively prevent potential damage. 6.CONVENIENT TO USE: No driver installation required (only for Windows 7 requires driver installation), the PCle card gets power directly from the PCle interface and reduces the voltage to 5V, eliminating the need for external power supplies. specification:Item Type: PCIe to Type C Expansion Card Material: PCB Interface Number: USB Ax2 USB Type Cx3 Transfer Speed: 10Gpbs(Exclusive),10Gpbs(Shared) Socket Type: PCIex4, 8, x16 Compatible System: for Windows 7 8 10 and for OS X 10.8.2 Driver Type: Driver Free (Only for Windows7 Need to Install Driver When Using) External Power Supply: No External Power Required PackageList: 1 x Expansion Card 1 x Driver CD 1 x Manual 2 x Screws