Features:<br> new and high quality<br> Using this product, you can extend the original USB 3.0 19Pin that comes with the motherboard into one for two USB A ports (20pin holder, empty one pin is also called 19Pin).<br> USB 3.0 female screw mount panel type to motherboard 19pin20pin cable.<br> You can use USB 3.0 type-A female convert USB3.0 (20pin Header) directly connected to the motherboard.<br> The USB 3.0 A female connector can screw at the panel.<br> USB 3.0 port switch to USB 3.0 19 pin20pin cable.there are screw mount holes at USB 3.0 female end.<br> Specifications:<br> Item: Motherboard USB 3.0 19Pin20Pin Extension Cable<br> Cable Length: approx 50cm<br> Material: Tinned Copper<br> Package Included:<br> 1 x Cable<br> Notes:<br> Due to the problems of lighting effects and angles, there will be certain tolerances in the product.<br> Please allow 0-2mm error due to manual measurment. Thank you!