Transient Response
20% Load – 20ms
| Voltage | Before | After | Change | Pass/Fail |
| 12V | 12.072V | 11.837V | 1.94% | Pass |
| 5V | 5.053V | 4.927V | 2.50% | Pass |
| 3.3V | 3.348V | 3.200V | 4.41% | Pass |
| 5VSB | 5.037V | 4.954V | 1.65% | Pass |
50% Load -20ms
| Voltage | Before | After | Change | Pass/Fail |
| 12V | 12.045V | 11.901V | 1.19% | Pass |
| 5V | 5.045V | 4.932V | 2.24% | Pass |
| 3.3V | 3.339V | 3.184V | 4.65% | Pass |
| 5VSB | 4.988V | 4.912V | 1.53% | Pass |
The transient response is mediocre overall.
Transient Response ATX v3.x Tests
The PSU passes all ATX v3.1 transient response tests.
The 12V rail drops lower than other similar spec PSUs at 200% load.
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Hi Aris, can you review the FSP Vita GM 850W please. It is one of the few ATX 3.1 PSUs.
Hi! Will ask them to send me some!