ASUS X99-A
1-31
Chapter 1
4. USB 3.0 connectors (20-1 pin USB3_12, USB3_34)
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 benets of
USB 3.0 including faster data transfer speeds of up to 5 Gb/s, faster charging time for
USB-chargeable devices, optimized power efciency, and backward compatibility with
USB 2.0.
The USB 3.0 module is purchased separately.
• Ensure to install the related driver to fully use the USB 3.0 ports under Windows
®
7.
• The plugged USB 3.0 device may run on xHCI or EHCI mode depending on the
operating system’s setting.
• These USB 3.0 ports support native UASP transfer standard in Windows
®
8 /
Windows
®
8.1 and Turbo Mode when using USB 3.0 Boost feature.