Asus ROG STRIX X399-E GAMING User Guide - Page 33
USB 3.1 Gen 1 connectors 20-1 pin U31G1_910; U31G1_1112
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Chapter 1 4. USB 3.1 Gen 1 connectors (20-1 pin U31G1_910; U31G1_1112) These connectors allow you to connect a USB 3.1 Gen 1 module for additional USB 3.1 Gen 1 front or rear panel ports. With an installed USB 3.1 Gen 1 module, you can enjoy all the benefits of USB 3.1 Gen 1 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. A U31G1_910 B U31G1_1112 Vbus IntA_P1_SSRXIntA_P1_SSRX+ GND IntA_P1_SSTXIntA_P1_SSTX+ GND IntA_P1_DIntA_P1_D+ GND IntA_P2_D+ IntA_P2_DGND IntA_P2_SSTX+ IntA_P2_SSTXGND IntA_P2_SSRX+ IntA_P2_SSRXVbus Vbus IntA_P2_SSRXIntA_P2_SSRX+ GND IntA_P2_SSTXIntA_P2_SSTX+ GND IntA_P2_DIntA_P2_D+ A STRIX X399-E GAMING PIN 1 PIN 1 GND IntA_P1_D+ IntA_P1_D- GND IntA_P1_SSTX+ IntA_P1_SSTX- GND IntA_P1_SSRX+ IntA_P1_SSRX- Vbus B ROG STRIX X399-E GAMING USB 3.1 Gen 1 connectors The USB 3.1 Gen 1 module is purchased separately. The plugged USB 3.1 Gen 1 device may run on xHCI or EHCI mode depending on the operating system's setting. ROG STRIX X399-E GAMING 1-19