eSATAp combines eSATA data and USB 2.0 with 5V and 12V power on one connector, powering external drives without a separate power supply.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | GND | Ground | GND |
| 2 | TX+ | SATA TX positive | BUS |
| 3 | TX- | SATA TX negative | BUS |
| 4 | GND | Ground | GND |
| 5 | RX- | SATA RX negative | BUS |
| 6 | RX+ | SATA RX positive | BUS |
| 7 | GND | Ground | GND |
| 8 | +5V | 5V power | PWR |
| 9 | USB D- | USB data negative | BUS |
| 10 | USB D+ | USB data positive | BUS |
| 11 | GND | USB ground | GND |
| 12 | +12V | 12V power | PWR |
eSATAp combines eSATA data and USB 2.0 with 5V and 12V power on one connector, powering external drives without a separate power supply.