User Manual

1-12
Chapter 1: Product Introduction
Chapter 1
3. USB 3.1 Gen2 front panel connector (U31G2_EC1)
This connector allows you to connect a USB 3.1 Gen2 module for additional USB 3.1
Gen2 ports. The latest USB 3.1 Gen2 connectivity provides data transfer speeds of
up to 10 Gbps. The next-generation standard is completely backward-compatible with
your existing USB devices.
ROG STRIX Z370-I GAMING
USB3.1 Gen2 front panel connector
U31G2_EC1
SBU2
SBU1
CC1
VBUS
RX1-
RX1+
GND
TX1-
TX1+
VBUS
VBUS
TX2+
TX2-
GND
RX2+
RX2-
GND
D-
D+
CC2
4. USB 3.1 Gen1 connector (20-1 pin U31G1_12)
This connector allows you to connect a USB 3.1 Gen1 module for additional USB 3.1
Gen1 front or rear panel ports. With an installed USB 3.1 Gen1 module, you can enjoy
all the benets of USB 3.1 Gen1 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 3.1 Gen1 module is purchased separately.
ROG STRIX Z370-I GAMING USB3.1 Gen1 connector
USB3+5V
IntA_P1_SSRX-
IntA_P1_SSRX+
GND
IntA_P1_SSTX-
IntA_P1_SSTX+
GND
IntA_P1_D-
IntA_P1_D+
GND
PIN 1
USB3+5V
IntA_P2_SSRX-
IntA_P2_SSRX+
GND
IntA_P2_SSTX-
IntA_P2_SSTX+
GND
IntA_P2_D-
IntA_P2_D+
U31G1_12