FSP VITA GM 750W ATX v3.1 PSU Review

Load Regulation

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
10% 4.380A 1.969A 1.971A 0.988A 75.003 86.813% 711 15.7 40.1°C 0.965
12.195V 5.079V 3.349V 5.06V 86.394 41.36°C 114.88V
20% 9.768A 2.958A 2.963A 1.189A 149.944 90.209% 710 15.5 40.67°C 0.981
12.187V 5.071V 3.341V 5.049V 166.217 42.11°C 114.86V
30% 15.511A 3.456A 3.464A 1.39A 224.948 91.096% 712 15.7 41.11°C 0.984
12.178V 5.064V 3.334V 5.038V 246.941 43.31°C 114.83V
40% 21.265A 3.955A 3.967A 1.592A 300.039 91.335% 719 15.8 41.62°C 0.982
12.172V 5.058V 3.328V 5.027V 328.502 44.46°C 114.8V
50% 26.643A 4.952A 4.97A 1.795A 374.479 90.961% 775 17 42.38°C 0.982
12.160V 5.049V 3.32V 5.015V 411.69 47.13°C 114.78V
60% 32.051A 5.952A 5.979A 1.999A 449.399 90.501% 897 21.1 42.38°C 0.985
12.156V 5.041V 3.312V 5.004V 496.564 49.15°C 114.76V
70% 37.469A 6.956A 6.993A 2.203A 524.306 89.886% 997 24 43.34°C 0.986
12.149V 5.032V 3.304V 4.992V 583.304 50.84°C 114.73V
80% 42.962A 7.961A 8.011A 2.308A 599.506 89.132% 1149 29 43.96°C 0.987
12.142V 5.024V 3.295V 4.983V 672.6 52.08°C 114.69V
90% 48.798A 8.469A 8.514A 2.412A 674.506 88.36% 1253 31 44.01°C 0.988
12.132V 5.017V 3.289V 4.975V 763.363 53.52°C 114.67V
100% 54.439A 8.981A 9.051A 3.03A 749.717 87.366% 1342 32.7 45.35°C 0.99
12.124V 5.01V 3.282V 4.951V 858.136 57.33°C 114.63V
110% 59.958A 9.996A 10.175A 3.033A 824.741 86.239% 1663 39.1 46.01°C 0.991
12.116V 5.001V 3.273V 4.945V 956.34 58.46°C 114.6V
CL1 0.114A 11.928A 11.965A 0A 101.286 84.997% 780 17 40.19°C 0.976
12.201V 5.046V 3.318V 5.083V 119.169 49.1°C 114.86V
CL2 0.113A 19.809A 0A 0A 101.339 83.535% 777 17 40.09°C 0.975
12.197V 5.046V 3.332V 5.084V 121.306 46.37°C 114.87V
CL3 0.113A 0A 19.911A 0A 67.394 79.243% 715 15.7 40.69°C 0.965
12.198V 5.055V 3.315V 5.084V 85.048 46.23°C 114.88V
CL4 61.829A 0A 0A 0A 749.548 88.295% 1311 32.1 45.06°C 0.989
12.123V 5.037V 3.308V 5.044V 848.919 54.2°C 114.64V

Load regulation is within 1% at 12V but loose on the minor rails.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 16.5 mV 11.5 mV 11.9 mV 12.4 mV Pass
20% Load 12.9 mV 9.4 mV 9.7 mV 11.7 mV Pass
30% Load 12.8 mV 11.3 mV 12.7 mV 13.7 mV Pass
40% Load 11.8 mV 10.6 mV 10.0 mV 12.3 mV Pass
50% Load 12.7 mV 10.5 mV 11.6 mV 13.9 mV Pass
60% Load 13.1 mV 12.6 mV 12.1 mV 14.1 mV Pass
70% Load 13.9 mV 12.5 mV 13.1 mV 14.9 mV Pass
80% Load 13.1 mV 12.5 mV 12.7 mV 14.3 mV Pass
90% Load 14.4 mV 13.8 mV 15.3 mV 15.5 mV Pass
100% Load 22.3 mV 14.9 mV 15.8 mV 17.9 mV Pass
110% Load 22.0 mV 12.7 mV 14.3 mV 18.1 mV Pass
Crossload 1 21.9 mV 11.1 mV 11.3 mV 12.1 mV Pass
Crossload 2 14.0 mV 13.7 mV 9.9 mV 10.5 mV Pass
Crossload 3 15.6 mV 10.4 mV 12.6 mV 10.2 mV Pass
Crossload 4 21.4 mV 13.8 mV 14.6 mV 15.8 mV Pass

Ripple suppression is good overall.

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7 thoughts on “FSP VITA GM 750W ATX v3.1 PSU Review

  1. Your in depth reviews of psu’s are amazing.

    I hope you review the Lian Li Edge 1300 and new phanteks revolt 1200. I want one of those psu’s for my new built.

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