Network Video Recorders use standard SATA data and power connectors to interface internal hard drives for video storage, with dedicated NVR enclosures supporting 1 to 16 SATA HDDs for continuous recording.
| 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 |