The micro SATA connector (sometimes called uSATA or μSATA) defined by SATA 2.6 specification, and is intended for 1.8-inch (46 mm) hard disk drives. The micro data connector is slightly thinner than the standard SATA data connector.
SATA micro pinout diagram
| Pin | Name | Function |
|---|---|---|
| A1 | GND | Ground |
| A2 | A+ | Transmit+ |
| A3 | A- | Transmit- |
| A4 | GND | Ground |
| A5 | B- | Receive- |
| A6 | B+ | Receive+ |
| A7 | GND | Ground |
| B1 | +3.3V | 3.3V Power |
| B2 | +3.3V | 3.3V Power |
| B3 | GND | Ground |
| B4 | GND | Ground |
| B5 | +5V | 5V Power |
| B6 | +5V | 5V Power |
| B7 | Reserved | |
| B8 | Vendor specific | |
| B9 | Vendor specific |

