Asus M5A99FX PRO R2.0 Manual page 44

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
specificaton 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.
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You can connect the ASUS front panel USB 3.0 box to this connector to obtain the
front panel USB 3.0 solution.
The USB 3.0 module is purchased separately.
Chapter 1: Product introduction