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// USB Internal Headers

USB 3.0 Internal Header (19-Pin)

The USB 3.0 internal motherboard header is a 19-pin (2×10 minus key) header providing two USB 3.0 ports at 5 Gbps each. Used for front panel USB 3.0 connections on PC cases.

// Specifications
Standard
USB 3.0 internal header
Pitch
2.54mm pitch vertical
Pin Count
19 (2x10 with key)
Ports
2 USB 3.0 ports
Speed
5 Gbps per port
Use Case
Front panel USB 3.0, internal SuperSpeed devices
// Pin Reference Table
Pin Name Function Type
1 VBUS +5V power port 1 PWR
2 D- USB 2.0 D- port 1 BUS
3 D+ USB 2.0 D+ port 1 BUS
4 GND Ground port 1 GND
5 SSTX- SS TX negative port 1 BUS
6 SSTX+ SS TX positive port 1 BUS
7 GND Ground drain GND
8 SSRX- SS RX negative port 1 BUS
9 SSRX+ SS RX positive port 1 BUS
10 NC No connect key I/O
11 VBUS +5V power port 2 PWR
12 D- USB 2.0 D- port 2 BUS
13 D+ USB 2.0 D+ port 2 BUS
14 GND Ground port 2 GND
15 SSTX- SS TX negative port 2 BUS
16 SSTX+ SS TX positive port 2 BUS
17 GND Ground drain GND
18 SSRX- SS RX negative port 2 BUS
19 SSRX+ SS RX positive port 2 BUS