Usb 2.0 Connector (10-1 Pin Usb56; Usb7); Usb 3.0 Connector (20-1 Pin Usb3_34) - Asus RS520-E8-RS8 V2 User Manual

3.

USB 2.0 connector (10-1 pin USB56; USB7)

These connectors are for USB 2.0 ports. Connect the USB module cables to
connectors USB56. These USB connectors comply with USB 2.0 specification that
supports up to 480 Mb/s connection speed.
4.

USB 3.0 connector (20-1 pin USB3_34)

This connector allows 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.
ASUS RS520-E8-RS8 V2, RS520-E8-RS12-EV2 4-9