Serial ATA Revision 3.5 (SATA-IO)
SATA 15-Pin Storage Power Connector Pinout
The 15-pin Serial ATA power connector delivers +3.3 V, +5 V, and +12 V power to hard drives and SSDs with staggered contacts for safe hot-plugging. Select a pin to inspect its rail.
Pin assignment
- Power
- Ground
- Control
Schematic face view, not to scale · numbering per Serial ATA Revision 3.5 (SATA-IO)
| Pin | Signal | Function | Status |
|---|---|---|---|
| V33 | +3.3 VDC Power Rail (3rd mate) | Standard | |
| V33 | +3.3 VDC Power Rail (3rd mate) | Standard | |
| V33_PWDIS | +3.3 V Pre-charge / PWDIS Power Disable | Standard | |
| GND | Ground Return (1st mate / early ground) | Standard | |
| GND | Ground Return (2nd mate) | Standard | |
| GND | Ground Return (3rd mate) | Standard | |
| V5 | +5 VDC Pre-charge Rail (2nd mate) | Standard | |
| V5 | +5 VDC Power Rail (3rd mate) | Standard | |
| V5 | +5 VDC Power Rail (3rd mate) | Standard | |
| GND | Ground Return (2nd mate) | Standard | |
| DAS_DSS | Device Activity (DAS) / Staggered Spin-up (DSS) | Standard | |
| GND | Ground Return (1st mate / early ground) | Standard | |
| V12 | +12 VDC Pre-charge Rail (2nd mate) | Standard | |
| V12 | +12 VDC Power Rail (3rd mate) | Standard | |
| V12 | +12 VDC Power Rail (3rd mate) | Standard |
Pin details
Select a pin on the diagram or table for full details.
About this connector
Standard 15-pin SATA power connector providing +3.3 V, +5 V, and +12 V rails with staggered hot-plug contact staging.
Specifications
- Standard
- SATA-IO Serial ATA 3.5 / Molex 67582 15-pin
- Positions
- 15
Primary sources
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