SATA Cable pin configuration

| Pin | Function | Pin | Function |
| 1 | Ground | 2 | A+ = Transmit (+) |
| 3 | A- = Transmit (-) | 4 | Ground |
| 5 | B- = Receive (-) | 6 | B+ = Receive (-) |
| 7 | Ground |
Note: Transmit and Recieve designators are relative to the motherboard. Designations are reversed for each connected device.
The two (+/-) transmit leads and the two (+/-) receive leads are both twisted pair lines.



