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ATX Power Supply limits
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last edited 2 years ago by cinnion
Per the ATX 2.01 specification, an ATX power supply has the following voltages:
| RAIL | Nominal | Tolerance | Minimum | Maximum |
|---|---|---|---|---|
| +5 VDC | 5.0 | 5% | 4.75 | 5.25 |
| -5 VDC | -5.0 | 5% | -4.75 | -5.25 |
| +12 VDC | 12.0 | 5% | 11.40 | 12.60 |
| -12 VDC | -12.0 | 5% | 11.40 | -12.60 |
| +3.3 VDC | 3.3 | 4% | 3.17 | 3.43 |
| +5 VSB | 5.0 | 5% | 4.75 | 5.25 |
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