Asus RS100-E9-P12 User Manual page 78

3. USB 2.0 connector (10-1 pin USB78)
This connector is for USB 2.0 ports. Connect the USB module cable to this connector.
This USB connector complies with USB 2.0 specification that supports up to 480 Mbps
connection speed.
4. USB 3.0 connector (20-1 pin USB3_34, A-Type USB3_5)
These connectors allow you to connect a USB 3.0 module for additional USB 3.0 front
or rear panel ports. With an installed USB 3.0 module, you can enjoy all the benefits of
USB 3.0 including faster data transfer speeds of up to 5Gbps, faster charging time for
USB-chargeable devices, optimized power efficiency, and backward compatibility with
USB 2.0.
4-18 Chapter 4: Motherboard Information