Mini DisplayPort (mDP) is the compact DisplayPort connector used on Apple MacBooks, Microsoft Surface, and PC laptops from 2008 to 2016 before USB-C/Thunderbolt replaced it, supporting up to 4K at 60fps via DP 1.2.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Ground | GND |
| 2 | HOT_PLUG | Hot plug detect | I/O |
| 3 | ML_LANE0_N | Main link lane 0 negative | BUS |
| 4 | ML_LANE0_P | Main link lane 0 positive | BUS |
| 5 | GND | Ground | GND |
| 6 | ML_LANE1_N | Main link lane 1 negative | BUS |
| 7 | ML_LANE1_P | Main link lane 1 positive | BUS |
| 8 | GND | Ground | GND |
| 9 | ML_LANE2_N | Main link lane 2 negative | BUS |
| 10 | ML_LANE2_P | Main link lane 2 positive | BUS |
| 11 | GND | Ground | GND |
| 12 | ML_LANE3_N | Main link lane 3 negative | BUS |
| 13 | ML_LANE3_P | Main link lane 3 positive | BUS |
| 14 | GND | Ground | GND |
| 15 | AUX_CH_N | AUX channel negative | BUS |
| 16 | AUX_CH_P | AUX channel positive | BUS |
| 17 | GND | Ground | GND |
| 18 | DP_PWR | DisplayPort power 3.3V | PWR |
| 19 | CONFIG1 | Configuration pin 1 | I/O |
| 20 | CONFIG2 | Configuration pin 2 | I/O |
Mini DisplayPort (mDP) is the compact DisplayPort connector used on Apple MacBooks, Microsoft Surface, and PC laptops from 2008 to 2016 before USB-C/Thunderbolt replaced it, supporting up to 4K at 60fps via DP 1.2.