This USB3.0 adaptor offers you the full capability of the USB 3.0 standard. Designed for next generation SuperSpeed USB device . It allows you to convert the USB 3.0 19 pin header into 2 x USB3.0 Type A sockets. Enabling you to connect USB 3.0 cables to your motherboard. Features : High quality Super-Speed USB 3.0 Motherboard 20-Pin Converter. With this adapter, you can directly board 20pin socket (such as the latest series of motherboards Asus P7P55/USB3), converted to 2 USB3.0 socket This cable converter is a new solution for mother board US 3.0 connection. As more and more mother boards are coming with 2 internal USB 3.0 port with Intel 20 Pin connectors. You can connect this to external device or to other Internal USB 3.0 Front bay connector or full series of Internal USB 3.0 Hub / card readers Connector A : 2 X USB 3.0 Type A Female to Motherboard 20-Pin Male Connector B : 1 X Motherboard 20-Pin Male (USB3.0) Color : Black