Thermaltake Toughpower GF A3 650W 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% 3.608A 1.967A 1.971A 0.993A 64.999 85.67% 737 12.2 40.22C 0.956
12.031V 5.084V 3.349V 5.038V 75.872 44.23C 114.84V
20% 8.236A 2.955A 2.964A 1.196A 129.932 89.473% 908 20.2 40.71C 0.979
12.025V 5.077V 3.34V 5.018V 145.219 45.03C 114.82V
30% 13.218A 3.452A 3.466A 1.401A 194.936 90.77% 913 20.3 41.28C 0.984
12.020V 5.07V 3.332V 4.998V 214.758 46.02C 114.8V
40% 18.211A 3.95A 3.969A 1.607A 260.015 91.189% 916 20.4 41.60C 0.989
12.015V 5.064V 3.326V 4.978V 285.14 46.65C 114.78V
50% 22.845A 4.944A 4.973A 1.816A 325.002 90.449% 919 20.5 42.23C 0.992
12.015V 5.057V 3.318V 4.957V 359.321 47.74C 114.75V
60% 27.431A 5.94A 5.982A 2A 389.206 90.06% 922 20.6 42.84C 0.993
12.013V 5.051V 3.31V 4.937V 432.162 48.86C 114.73V
70% 32.106A 6.941A 6.996A 2.239A 454.643 89.61% 1128 27.4 43.08C 0.995
12.008V 5.044V 3.302V 4.913V 507.358 50.13C 114.71V
80% 36.785A 7.944A 8.014A 2.348A 519.452 89.009% 1130 27.4 43.64C 0.995
12.004V 5.036V 3.294V 4.898V 583.598 51.72C 114.68V
90% 41.863A 8.45A 8.52A 2.458A 584.839 88.28% 1548 36.1 44.02C 0.996
12.000V 5.029V 3.286V 4.882V 662.483 53.12C 114.66V
100% 46.686A 8.961A 9.06A 3.102A 649.672 87.401% 1734 39.0 45.01C 0.996
11.994V 5.021V 3.278V 4.835V 743.322 55.09C 114.63V
110% 51.381A 9.974A 10.186A 3.108A 714.295 86.483% 2069 43.8 46.71C 0.997
11.988V 5.013V 3.269V 4.826V 825.935 57.63C 114.6V
CL1 0.115A 11.882A 11.932A 0A 101.273 84.512% 915 20.4 41.15C 0.979
12.026V 5.066V 3.327V 5.076V 119.834 46.61C 114.83V
CL2 0.115A 19.703A 0A 0A 101.364 83.054% 913 20.3 40.15C 0.98
12.029V 5.074V 3.345V 5.083V 122.046 47.24C 114.83V
CL3 0.115A 0A 19.832A 0A 67.376 77.916% 913 20.3 41.59C 0.963
12.026V 5.081V 3.328V 5.079V 86.472 50.69C 114.84V
CL4 54.120A 0A 0A 0A 649.478 88.727% 1340 32.3 45.54C 0.996
12.001V 5.042V 3.301V 5.035V 732.008 56.51C 114.63V

Load regulation is tight at 12V, the most important rail, but loose on the minor ones, especially 3.3V.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 9.1 mV 10.6 mV 10.0 mV 4.4 mV Pass
20% Load 12.4 mV 11.0 mV 10.2 mV 4.8 mV Pass
30% Load 13.5 mV 10.7 mV 11.2 mV 5.0 mV Pass
40% Load 15.8 mV 11.6 mV 11.3 mV 5.5 mV Pass
50% Load 20.0 mV 12.8 mV 13.4 mV 5.8 mV Pass
60% Load 20.6 mV 12.9 mV 14.0 mV 6.5 mV Pass
70% Load 22.8 mV 14.5 mV 15.9 mV 7.3 mV Pass
80% Load 26.9 mV 16.3 mV 17.5 mV 8.6 mV Pass
90% Load 31.1 mV 15.6 mV 18.2 mV 8.7 mV Pass
100% Load 39.5 mV 16.4 mV 20.1 mV 11.0 mV Pass
110% Load 41.8 mV 17.6 mV 21.3 mV 11.8 mV Pass
Crossload 1 23.5 mV 15.2 mV 16.5 mV 7.8 mV Pass
Crossload 2 17.3 mV 16.3 mV 19.6 mV 7.4 mV Pass
Crossload 3 15.0 mV 14.0 mV 12.1 mV 7.4 mV Pass
Crossload 4 34.0 mV 14.4 mV 16.1 mV 12.0 mV Pass

Ripple suppression is decent but not competitive, mostly at 12V.

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