Asus X99-A Computer Hardware User Manual


 
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 benets of
USB 3.0 including faster data transfer speeds of up to 5 Gb/s, faster charging time for
USB-chargeable devices, optimized power efciency, 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.