ITEM NAME:Motherboard 20-Pin Female To Dual USB 3.0 Type A Female Adapter Connector AOH.1 x Motherboard USB 3.0 Adapter Connector. USB3.0 Port 20 Pins:To connect the motherboard. Typeï ¼Å¡A Female to 20 Pin Female Header. Dual USB3.0 female port. With this adapter you can board 20pin socket (such as the latest series of motherboards Asus P7P55/USB3), to 2 USB 3.0 socket easily.