Converts a motherboard 19pin USB 3.0 header to two USB 2.0 ports using dual 9pin connections for flexible expansion. Key benefits Improves compatibility with ARGB controllers, liquid cooling systems, and peripheral devices by expanding USB connectivity through the motherboard. Easy installation with antistatic shielding; plugandplay design that preserves motherboard integrity and minimizes data packet loss during intensive operations. Reliable USB 2.0 connectivity for custom rigs, workstation upgrades, or retrofitting components to modern motherboards. Precision molded, goldplated connectors provide stable data transfer rates up to 480 Mbps while reducing signal interference during performance computing tasks. Specifications and features Function: Converts a 19pin USB 3.0 header to two USB 2.0 ports (dual 9pin connections). Compatibility: Works with ARGB controllers, liquid cooling systems, and various peripheral devices requiring USB 2.0 connectivity. Connectors: Precisely molded, goldplated contacts for durable reliability and improved signal integrity. Performance: Up to 480 Mbps data transfer speed with minimized interference in demanding applications. Installation: Antistatic shielding and plugandplay operation to protect the motherboard and simplify setup. Use scenarios PC build or upgrade: Add two USB 2.0 ports to a modern motherboard to support legacy peripherals (keyboard, mouse, external storage) or additional controllers while preserving internal header space. Workstation expansion: Equip a performance workstation with reliable USB 2.0 connectivity for test benches, external devices, or auxiliary peripherals without modifying core system components. Retrofit and modernization: Retrofit an older motherboard by providing two USB 2.0 ports from a USB 3.0 header, enabling continued use of USB 2.0 accessories and improving overall connectivity.