Simple Installation: Plug in and unplug easily with no complicated setup or tools required. Designed for quick, drama connection and removal. 20pin to 9pin USB Header Expansion Card: Converts a 20pin USB header to a 9pin interface, enabling rapid adaptation between USB connectors and expanding available internal connections for greater flexibility. speed Transmission: Built to USB 2.0 standards, delivering stable data transfer with up to 480 Mbps for reliable performance with compatible devices. Front 9PIN Adapter: Provides a frontpanel 9pin connection option, expanding interface availability and enabling convenient access to USB ports from the case front. Compatibility and Practicality: Supports standard USB 2.0 internal headers and frontpanel connections, facilitating easy integration into typical desktop systems and upgrade scenarios. Use scenarios: Frontpanel USB expansion for desktop PCs: add convenient access to USB ports on the computer case front, improving everyday usability for peripherals such as keyboards, mice, flash drives, and external hubs. Quick or replacement: use the 9pin adapter to connect to front or back USB layouts when a direct connection is unavailable or damaged, enabling continued operation with minimal downtime. Lab testing and device provisioning: rapidly swap USB interfaces and connect multiple devices for testing, data transfer, or provisioning in a workshop or workstation environment.