Connect a panel mount usb a port to your motherboard header the usbpnlafhd3 3ft panel mount usb cable enables you to add a well secured easy to access usb 20 port to your pc offering a convenient solution for connecting bootable thumb drives or authentication fobs etc to the motherboard usb connection the adapter features one female usb header connector and one female panel mount usb a port and gives you an extension of 3ft enabling you to place the cable as needed within the system ca