Front 9pin Adapter Enables front panel connection and convenient interface extension, making USB access easier and more ergonomic for frequent use. Usb C Compatibility Compatible with mainstream USB C devices and supports a range of common connection requirements, helping to cover modern and newer hardware needs. 20 Pin to 9 Pin Expansion Card Allows quick conversion between 20pin and 9pin USB interfaces, increasing flexibility to fit different hardware configurations and setups. Speed Transmission USB 2.0 standard provides stable speed data transmission for everyday peripherals and tasks. Use scenarios Desktop front panel upgrade Install this adapter to create a convenient front USB connection on a desktop PC, enabling easy access for keyboards, mice, flash drives, and other peripherals. Connecting USB C devices to older systems Use the 20 pin to 9 pin expansion to bridge USB C devices with legacy USB interfaces, expanding compatibility without changing existing hardware. Testing and lab setups Switch between USB interfaces quickly during testing or demonstrations, improving workflow and reducing downtime.