Thermaltake Toughpower PF3 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% 4.471A 2A 1.976A 0.984A 74.999 87.896% 0 <6.0 38.24C 0.946
11.943V 4.999V 3.34V 5.083V 85.327 34.02C 114.85V
20% 9.963A 3.001A 2.966A 1.183A 149.922 91.443% 0 <6.0 39.49C 0.967
11.946V 4.998V 3.338V 5.074V 163.95 34.82C 114.82V
30% 15.807A 3.502A 3.462A 1.382A 224.915 92.334% 0 <6.0 40.21C 0.975
11.948V 4.997V 3.336V 5.064V 243.589 35.19C 114.8V
40% 21.653A 4.004A 3.96A 1.583A 300.007 92.534% 756 13.9 35.58C 0.979
11.952V 4.995V 3.333V 5.054V 324.216 41.21C 114.77V
50% 27.093A 5.008A 4.954A 1.785A 374.442 92.216% 1149 26.7 36.04C 0.982
11.957V 4.993V 3.331V 5.043V 406.047 42.09C 114.74V
60% 32.567A 6.012A 5.949A 1.987A 449.323 91.988% 1147 26.6 36.70C 0.984
11.961V 4.99V 3.328V 5.033V 488.446 43.28C 114.72V
70% 37.995A 7.018A 6.946A 2.19A 524.223 91.302% 1145 26.6 37.21C 0.984
11.979V 4.988V 3.326V 5.023V 574.167 44.25C 114.69V
80% 43.522A 8.001A 7.943A 2.293A 599.312 90.878% 1144 26.6 37.54C 0.985
11.983V 4.986V 3.324V 5.015V 659.469 45.58C 114.66V
90% 49.377A 8.525A 8.43A 2.396A 674.444 90.326% 1812 39.9 38.05C 0.986
11.988V 4.985V 3.322V 5.007V 746.671 47.12C 114.63V
100% 55.029A 9.029A 8.947A 3.006A 749.662 89.679% 1814 40.0 39.03C 0.988
11.993V 4.984V 3.319V 4.989V 835.947 49.05C 114.6V
110% 60.544A 10.035A 10.038A 3.01A 824.69 89.046% 2222 44.9 40.08C 0.988
11.997V 4.982V 3.317V 4.983V 926.14 50.98C 114.57V
CL1 0.115A 12.064A 11.913A 0A 101.274 86.081% 1166 27.2 34.58C 0.957
11.949V 4.99V 3.332V 5.096V 117.648 40.08C 114.83V
CL2 0.115A 20.048A 0A 0A 101.334 84.2% 1819 40.1 34.47C 0.957
11.948V 4.986V 3.341V 5.098V 120.348 41.56C 114.84V
CL3 0.116A 0A 19.83A 0A 67.378 80.06% 763 14.1 33.86C 0.945
11.940V 5V 3.328V 5.095V 84.162 42.93C 114.85V
CL4 62.513A 0A 0A 0A 749.505 90.513% 1807 39.8 39.45C 0.987
11.989V 4.995V 3.328V 5.059V 828.07 50.36C 114.6V

Load regulation is within 1% on all major rails at 115V. Strangely enough, with a 230V input, load regulation at 12V becomes looser.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 7.2 mV 7.0 mV 10.5 mV 6.5 mV Pass
20% Load 7.7 mV 7.5 mV 10.1 mV 6.7 mV Pass
30% Load 8.6 mV 7.2 mV 10.5 mV 6.8 mV Pass
40% Load 11.6 mV 7.5 mV 11.5 mV 6.9 mV Pass
50% Load 12.8 mV 7.9 mV 12.2 mV 7.1 mV Pass
60% Load 12.6 mV 7.8 mV 14.3 mV 7.4 mV Pass
70% Load 12.2 mV 8.2 mV 14.1 mV 8.0 mV Pass
80% Load 12.2 mV 8.6 mV 15.1 mV 8.3 mV Pass
90% Load 13.6 mV 10.0 mV 17.2 mV 8.8 mV Pass
100% Load 20.0 mV 10.3 mV 20.1 mV 19.6 mV Pass
110% Load 21.0 mV 10.3 mV 21.9 mV 20.5 mV Pass
Crossload 1 13.7 mV 9.1 mV 12.6 mV 5.7 mV Pass
Crossload 2 12.5 mV 12.7 mV 11.1 mV 5.2 mV Pass
Crossload 3 10.9 mV 7.0 mV 12.2 mV 5.3 mV Pass
Crossload 4 19.4 mV 8.8 mV 19.8 mV 7.3 mV Pass

Ripple suppression is good on all rails.

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