USB 3.1 Front Panel Header to USB 3.0 20-Pin Header Extension Cable for ASUS motherboard
The cable only support USB 3.1 / USB 3.0 device, it cannot work to USB 2.0 (480Mbps)
USB 3.1 require a different front panel header than USB 3.0.
The USB 3.1 port interface is with the USB 3.0 pin set and more. It's design to be backward compatible (will explain later).
There is no official release of the specs for the USB 3.1 header yet (as of this writing)
But first motherboard with this is the ASUS ROG MAXIMUS IX FORMULA, STRIX Z270I / Z270G etc.
Length: 20 cm
Connector 1 : USB 3.0 Front Panel Header
Connector 2 : USB 3.1 Front Panel Header
Support 10 Gbps rate.