The USB 3.2 Gen 2x2 internal header provides 20 Gbps front panel USB-C connectivity through a 40-pin connector. Found on high-end motherboards supporting ultra-fast front panel USB-C.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | VBUS | +5V / 12V power | PWR |
| 2 | VBUS | Power | PWR |
| 3 | TX1+ | 10Gbps TX lane 1 positive | BUS |
| 4 | TX1- | 10Gbps TX lane 1 negative | BUS |
| 5 | RX1+ | 10Gbps RX lane 1 positive | BUS |
| 6 | RX1- | 10Gbps RX lane 1 negative | BUS |
| 7 | TX2+ | 10Gbps TX lane 2 positive | BUS |
| 8 | TX2- | 10Gbps TX lane 2 negative | BUS |
| 9 | RX2+ | 10Gbps RX lane 2 positive | BUS |
| 10 | RX2- | 10Gbps RX lane 2 negative | BUS |
| 11 | D+ | USB 2.0 D+ | BUS |
| 12 | D- | USB 2.0 D- | BUS |
| 13 | CC1 | Config channel 1 | BUS |
| 14 | CC2 | Config channel 2 | BUS |
| 15 | SBU1 | Sideband use 1 | BUS |
| 16 | SBU2 | Sideband use 2 | BUS |
| 17-40 | GND | Ground pins | GND |
The USB 3.2 Gen 2×2 internal header provides 20 Gbps front panel USB-C connectivity through a 40-pin connector. Found on high-end motherboards supporting ultra-fast front panel USB-C.