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This 2-pack USB 3.0 motherboard adapter features 90 degree up and down L-shaped angle design. It converts 19Pin/20Pin male to female header for seamless extension of motherboard internal USB 3.0 ports. The angled structure solves wiring obstacles in narrow chassis, tidies internal layout and reduces cable stress. Made with high-quality terminals for stable conductivity and long-term durability. Ideal for desktop PC building, chassis renovation, internal header extension and computer DIY modification.