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This internal 9Pin USB header splitter board converts a single motherboard 9Pin USB2.0 header into three usable 9Pin interfaces. It comes with selectable 30cm or 60cm connecting cables to freely arrange wiring inside your PC case without messy cable tangles. Optimized for desktop water cooling systems, RGB LED lighting controllers and fan speed monitoring & testing equipment. Adopting high-quality PCB and shielded wiring, it ensures steady USB2.0 data signal without interference. The tiny board structure saves chassis space, simple plug-and-play installation with no extra drivers needed, ideal for DIY PC builders, water cooling modders and RGB gaming setups.