[Multi-port Expansion card]The expansion card provides 7 external USB 3.0 Ports (4 USB Type-A and 3 USB Type-C Ports) for your computer. You can connect a keyboard, mouse, external hard drives, CD/DVD drives, webcams, USB printers, scanners, game controllers, USB VR, digital cameras, etc.[High-Speed Transmission Rate]One USB Type-C port and three USB Type-A ports share 5Gbps bandwidth , and the rest three ports share another 5Gbps bandwidth, with bandwidth up to 10Gbps. Each port supports transmitting data at a rate up to 5Gbps when used . Note:The actual transmission speed is limited by the setting of the device connected.[Widely Compatibility]The card is compatible with Windows 7/8/10/11 (32/64 bit) and OS 10.8.2 and above. The card only requires installing a driver which you can download from CD driver, when operating on Windows 7. Note: Windows XP,/Vista/7, Server,requires driver installation, /11 and OS and Linux 't need drivers.[Stable to Use]The PCIe card is simple to install and draws power directly from the PCIe interface.The USB Type-A ports offer power up to 5W and the USB Type-C ports up to 15W. All ports feature short-circuit protection. Quick and easy installation, a for connecting to and using USB 3.0 devices on your standard desktopColour:blackMaterial:plastic+metalSize:4.64x3.42x0.6inchesPackage Contents:1 x PCIE Adapter CardOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.