Asus Z170-WS Manual page 47

8. USB 3.0 connectors (20-1 pin USB3_12; USB3_34; 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 5 Gb/s, faster charging time for
USB-chargeable devices, optimized power efficiency, and backward compatibility with
USB 2.0.
The USB 3.0 module is purchased separately.
• These connectors are based on xHCI specification. We recommend you to install the
related driver to fully use the USB 3.0 ports under Windows
• 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 only support Turbo Mode when using USB 3.0 Boost feature.
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