USB 3.1 Front Panel Header to USB 3.0 Type-A Female Extension Cable 50cm Panel Mount Type USB 3.1 require a different front panel header than USB 3.0. The USB 3.1 port interface is using the USB 3.0 pin set and more. It is design to be backwards compatible (will explain later). Length: 50cm Connector1: Type-A USB3.0 Female Connector2: USB 3.1 Front Panel Header