2pcs USB 3.1 Front Panel Header Male to Female Type-E Motherboard Extension Data Adapter The package included one up angled and one down angled adapter. 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). Connector1: Type-E male USB 3.1 Front Panel Header 10Gbps Connector2:Type-E Female USB 3.1 Front Panel socket 10Gbps