ITEM NAME:Stackable Usb 3.0 Female Panel Type To Motherboard 20Pin Header Cable Dual N3A2 Stackable Usb 3.0 Female Panel Type To Motherboard 20Pin Header Cable Dual N3A2 You can use USB 3.0 type A female convert USB3.0 (20pin Header) connected directly to the motherboard With this cable, you can directly on board 20pin socket, converted into 2 usb3.0 socket! Very easy to use USB3.0 data cable connected to the front panel of the USB3.0 chassis! size:50cm Material:plastic colour: Blue Package Contents: 1 * Conversion cable