1、This USB cable can be used to convert the USB 0 type-A female to USB0 (20pin Header) directly connect to motherboard. 2、USB 0 port x 2 to USB 0 20 pin connector x 3、The length is 40cm, and the baffle is a 9.5mm half-height baffle. 4、No need to install Drive, plug and play. 5、Fine workmanship, wear-resistance and corrosion-resistance. Using this patch cable, you can directly convert the motherboard 20pin socket (such as the latest motherboard for ASUS P7P55/USB3 series) into two USB 3.0 sockets; it is very convenient for you to connect to the USB 3.0 panel behind the chassis using the USB 3.0 data cable. USB 3.0 dual port shelf, using the 20pin USB 3.0 interface on the internal motherboard of the chassis (note that not all motherboards have this 20pin interface, please confirm whether your motherboard has 20pin usb 3.0 motherboard interface), no need to install Drive, plug and play. Features: 1. This USB cable can be used to convert the USB 3.0 type-A female to USB 3.0 (20pin Header) directly connect to motherboard. 2. USB 3.0 port x 2 to USB 3.0 20 pin connector x 1. 3. The length is 40cm, and the baffle is a 9.5mm half-height baffle. 4. No need to install Drive, plug and play. 5. Fine workmanship, wear-resistance and corrosion-resistance. Specifications: Material: ABS Colour: Black Package List: 1 * Expansion card