USB4 Gen 3x2 achieves 40Gbps using two Gen 3 lanes over USB-C, supporting Thunderbolt 3, DisplayPort 2.0, and up to 240W PD.
| Pin | Name | Function | Type |
|---|---|---|---|
| A1 | GND | Ground | GND |
| A2 | TX1+ | Gen3 TX1 positive | BUS |
| A3 | TX1- | Gen3 TX1 negative | BUS |
| A4 | VBUS | Power | PWR |
| A5 | CC1 | Config channel 1 | BUS |
| A6 | D+ | USB 2.0 D+ | BUS |
| A7 | D- | USB 2.0 D- | BUS |
| A10 | RX2- | Gen3 RX2 negative | BUS |
| A11 | RX2+ | Gen3 RX2 positive | BUS |
| B2 | TX2+ | Gen3 TX2 positive | BUS |
| B3 | TX2- | Gen3 TX2 negative | BUS |
| B10 | RX1- | Gen3 RX1 negative | BUS |
| B11 | RX1+ | Gen3 RX1 positive | BUS |
USB4 Gen 3×2 achieves 40Gbps using two Gen 3 lanes over USB-C, supporting Thunderbolt 3, DisplayPort 2.0, and up to 240W PD.