Mini-SATA (abbreviated as mSATA), which is distinct from the micro SATA connector, was announced in 2009.
The connector is similar in appearance to a PCI Express Mini Card interface, but is not electrically compatible; the data signals need a connection to the SATA host controller instead of the PCI Express host controller.
| Pin Number |
Pin Name |
Description |
|---|---|---|
| 1 | Reserved | No connect |
| 2 | 3V3 | +3.3V |
| 3 | Reserved | No connect |
| 4 | GND | Ground |
| 5 | Reserved | No connect |
| 6 | 1V5 | No connect |
| 7 | Reserved | No connect |
| 8 | Reserved | No connect |
| 9 | GND | Ground |
| 10 | Reserved | No connect |
| 11 | Reserved | No connect |
| 12 | Reserved | No connect |
| 13 | Reserved | No connect |
| 14 | Reserved | No connect |
| 15 | GND | Ground |
| 16 | Reserved | No connect |
| 17 | Reserved | No connect |
| 18 | GND | Ground |
| 19 | Reserved | No connect |
| 20 | Reserved | No connect |
| 21 | GND | Ground |
| 22 | Reserved | No connect |
| 23 | +B | Differential signal pair +B and -B |
| 24 | 3V3 | +3.3V |
| 25 | -B | Differential signal pair +B and -B |
| 26 | GND | Ground |
| 27 | GND | Ground |
| 28 | 1V5 | No connect |
| 29 | GND | Ground |
| 30 | TWI | Two-wire interface |
| 31 | -A | Differential signal pair +A and -A |
| 32 | TWI | Two-wire interface |
| 33 | +A | Differential signal pair +A and -A |
| 34 | GND | Ground |
| 35 | GND | Ground |
| 36 | Reserved | No connect |
| 37 | GND | Ground |
| 38 | Reserved | No connect |
| 39 | 3V3 | +3.3V |
| 40 | GND | Ground |
| 41 | 3V3 | +3.3V |
| 42 | Reserved | No connect |
| 43 | NC | No connect |
| 44 | Devslp | Device sleep |
| 45 | Optional | No connect |
| 46 | Reserved | No connect |
| 47 | Optional | No connect |
| 48 | 1V5 | No connect |
| 49 | DA/DSS | Drive activity LED |
| 50 | GND | Ground |
| 51 | Presence | Presence detection |
| 52 | 3V3 | +3.3V |
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