Transient Response
20% Load – 20ms
| Advanced Transient Response 20% - 50 Hz - No Caps | ||||
| Voltage | Before | After | Change | Pass/Fail |
| 12V | 12.077V | 11.897V | 1.49% | Pass |
| 5V | 5.011V | 4.932V | 1.57% | Pass |
| 3.3V | 3.325V | 3.198V | 3.81% | Pass |
| 5VSB | 5.006V | 4.951V | 1.10% | Pass |
50% Load -20ms
| Advanced Transient Response 50% - 50 Hz - No Caps | ||||
| Voltage | Before | After | Change | Pass/Fail |
| 12V | 12.069V | 11.941V | 1.06% | Pass |
| 5V | 5.005V | 4.923V | 1.64% | Pass |
| 3.3V | 3.317V | 3.183V | 4.04% | Pass |
| 5VSB | 4.961V | 4.912V | 0.99% | Pass |
The transient response is satisfactory at 12V, for the category’s standards, and pretty good at 5V, but it needs to get tighter at 3.3V to prevent the voltage level from dropping below 3.2V.
Transient Response ATX v3.1 Tests
The PSU passes all ATX v3.1 transient response tests, but the 12V drops low.
The 12V rail doesn’t perform well, dropping low on all tests.
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