Features: Using this product, you can extend the original USB 3.0 19P that comes with the motherboard into one for two (20pin holder, empty one pin is also called 19Pin).1 to 2 USB 3.0 female screw mount panel type to motherboard 19pin/20pin flat cable.You can use USB 3.0 type-A female convert USB3.0 (20pin Header) directly connected to the motherboard.The USB 3.0 A female connector can screw at the panel.USB 3.0 port switch to USB 3.0 19 pin/20pin cable.there are screw mount holes at USB 3.0 female end.Specifications:Item: Motherboard USB 3.0 19Pin/20Pin CableCable Length: approx 20cm/7.87inMaterial: Tinned CopperNote:Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand.Please allow 0-2mm error due to manual measurment.Package includes:1 x USB 3.0 19Pin/20Pin 1 to 2 Splitter Cable