Features: Highly Speed Transfer: Supports USB 3.0 standard, providing faster data transfer speeds, more than 10 times faster than USB 2.0, making file transfers and backups faster and more efficient. 5 port: With 5 USB 3.0 ports, you can connect multiple external devices at the same time, such as removable hard disk, USB drive, camera, etc., to meet your needs for multiple peripherals. Strong compatibility: capable of backward compatibility with USB 2.0 and USB 1.1 devices, ensuring that you can connect a variety of older USB devices without worrying about compatibility issues. Simple installation: Just plug into the motherboard PCIe slot, no complicated installation procedures or driver requirements, suitable for users who are not good at hardware installation. Stable Adopts ASM3142 + VL822 control chips and high quality components to provide stable performances and fast data transmission, effectively prolonging the service life of peripherals. Specifications: Product Speed: Support USB 3.0 10Gbps Type:2TypeC Port 3Usb Port / 3TypeC Port 2Usb Port roduct Interface: PCIE 4X (motherboard needs to support 4X8X16X slots) Output Interfaces: TYPE-A+TYPE-C Interfaces Supported Size: Full height baffle / not support small chassis Main control chip: ASM3142 + VL822 main control System Support: WIN7 WIN1O WIN11 LINUX Note: Need to install the driver In WIN7 and slower. It is recommended to use above for Win10 system Package Includes: 1PC USB Expansion Card note: Due to problem of lighting effect and shooting there might be tolerances in product, please understand. Please allow 0-2mm error due to manual measurement.