User`s manual
Chapter 3: Motherboard information3-24
3. USB 3.0 connector (20-1 pin USB3_34)
This connector is for the additional USB 3.0 ports, and complies with the USB
3.0 specicaton that supports up to 5.0 Gbps connection speed. If the USB
3.0 front panel cable is available from your system chassis, with this USB 3.0
connector, you can have a front panel USB 3.0 solution.
You can connect the ASUS front panel USB 3.0 box to this connector to obtain
the front panel USB 3.0 solution.