The USB 3.0 internal motherboard header is a 19-pin (2x10 minus key) header providing two USB 3.0 ports at 5 Gbps each. Used for front panel USB 3.0 connections on PC cases.
| 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 |
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.