The STC-H012 USB 3.1 Front Panel Header to USB 3.0 Type-A Female Extension Cable, This cable by STC can be connected to the internal USB 3.1 Gen 2 key A socket of a motherboard or a PCI Express card (e.g. Delock 89603) and can be used to extend a USB connection. The USB Type-Câ?¢ connector can be attached with two screws, e.g. on a slot bracket or a chassis with the corresponding recess. In this way, it is possible to install a USB port in an easily accessible position.