Thermaltake Toughpower GF A3 750W 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% 4.460A 1.983A 1.979A 0.986A 75.004 87.1% 531 <6.0 40.21C 0.963
11.976V 5.043V 3.336V 5.073V 86.112 44.43C 114.84V
20% 9.950A 2.98A 2.977A 1.188A 149.946 90.511% 912 22.2 40.55C 0.976
11.965V 5.035V 3.326V 5.05V 165.666 45.21C 114.82V
30% 15.800A 3.482A 3.482A 1.392A 224.948 91.58% 968 24.2 41.32C 0.983
11.956V 5.027V 3.317V 5.028V 245.631 46.51C 114.78V
40% 21.665A 3.985A 3.99A 1.598A 300.015 91.845% 979 24.5 41.64C 0.988
11.945V 5.02V 3.308V 5.006V 326.655 47.27C 114.77V
50% 27.145A 4.99A 5.004A 1.806A 374.42 90.954% 991 24.9 42.36C 0.991
11.932V 5.011V 3.298V 4.983V 411.659 48.41C 114.74V
60% 32.687A 5.998A 6.026A 2A 449.289 90.661% 992 24.9 42.89C 0.993
11.918V 5.003V 3.286V 4.96V 495.574 49.53C 114.71V
70% 38.238A 7.01A 7.054A 2.23A 524.324 90.04% 1197 30.9 43.45C 0.994
11.905V 4.994V 3.275V 4.934V 582.328 50.53C 114.68V
80% 43.861A 8.002A 8.087A 2.339A 599.376 89.368% 1197 30.9 43.90C 0.995
11.892V 4.985V 3.264V 4.916V 670.687 51.92C 114.66V
90% 49.835A 8.538A 8.602A 2.45A 674.487 88.685% 1531 37.7 44.06C 0.996
11.879V 4.978V 3.255V 4.898V 760.548 53.13C 114.63V
100% 55.612A 9.056A 9.153A 3.095A 749.682 87.75% 1824 42.2 45.10C 0.997
11.867V 4.969V 3.245V 4.846V 854.342 55.15C 114.6V
110% 61.273A 10.082A 10.298A 3.102A 824.708 86.758% 2078 46.0 46.67C 0.997
11.855V 4.959V 3.233V 4.835V 950.581 57.57C 114.57V
CL1 0.116A 11.986A 12.004A 0A 101.283 84.773% 986 24.7 40.39C 0.978
11.942V 5.023V 3.307V 5.112V 119.481 45.84C 114.82V
CL2 0.116A 19.908A 0A 0A 101.362 83.336% 986 24.7 40.94C 0.978
11.954V 5.022V 3.322V 5.12V 121.634 47.99C 114.82V
CL3 0.115A 0A 19.977A 0A 67.38 78.446% 988 24.7 40.21C 0.963
11.954V 5.039V 3.304V 5.117V 85.891 49.22C 114.84V
CL4 63.048A 0A 0A 0.001A 749.534 88.912% 1394 35.1 45.04C 0.996
11.888V 4.992V 3.271V 5.064V 843.011 55.99C 114.6V

Load regulation could be tighter, especially on the minor rails.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 8.6 mV 12.0 mV 7.1 mV 3.9 mV Pass
20% Load 11.1 mV 12.2 mV 7.8 mV 4.3 mV Pass
30% Load 12.3 mV 12.6 mV 8.4 mV 5.0 mV Pass
40% Load 15.2 mV 13.5 mV 9.0 mV 5.6 mV Pass
50% Load 17.1 mV 14.0 mV 9.8 mV 6.4 mV Pass
60% Load 19.1 mV 15.4 mV 11.5 mV 6.8 mV Pass
70% Load 23.3 mV 17.0 mV 12.5 mV 8.5 mV Pass
80% Load 25.2 mV 16.4 mV 13.6 mV 9.2 mV Pass
90% Load 26.8 mV 18.4 mV 14.2 mV 10.1 mV Pass
100% Load 36.6 mV 19.2 mV 16.6 mV 12.3 mV Pass
110% Load 40.0 mV 20.3 mV 17.7 mV 12.9 mV Pass
Crossload 1 20.1 mV 16.8 mV 11.4 mV 8.2 mV Pass
Crossload 2 16.7 mV 19.0 mV 11.7 mV 8.7 mV Pass
Crossload 3 12.7 mV 14.5 mV 10.7 mV 7.1 mV Pass
Crossload 4 32.6 mV 16.1 mV 15.2 mV 12.8 mV Pass

Ripple suppression is decent but not competitive.

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