be quiet! Pure Power 13 M 650W 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% 3.556A 1.975A 1.96A 0.983A 65.003 87.866% 0 <6.0 50.11°C 0.973
12.207V 5.063V 3.368V 5.088V 73.98 40.33°C 114.9V
20% 8.117A 2.966A 2.944A 1.182A 129.94 91.37% 0 <6.0 49.23°C 0.979
12.202V 5.057V 3.363V 5.078V 142.214 40.7°C 114.87V
30% 13.027A 3.464A 3.439A 1.381A 194.943 92.369% 0 <6.0 51°C 0.986
12.197V 5.052V 3.359V 5.07V 211.048 41.14°C 114.85V
40% 17.955A 3.963A 3.937A 1.581A 260.03 92.429% 657 7.1 41.57°C 0.991
12.188V 5.047V 3.353V 5.061V 281.327 49.13°C 114.83V
50% 22.540A 4.96A 4.931A 1.782A 325.024 92.345% 659 7.3 42.03°C 0.993
12.179V 5.041V 3.346V 5.051V 351.97 50.44°C 114.81V
60% 27.072A 5.959A 5.927A 1.984A 389.381 92.057% 662 7.6 42.57°C 0.995
12.174V 5.035V 3.341V 5.042V 422.975 51.73°C 114.79V
70% 31.685A 6.961A 6.925A 2.186A 454.7 91.681% 664 7.8 43.37°C 0.996
12.169V 5.029V 3.336V 5.033V 495.957 54.36°C 114.76V
80% 36.304A 7.963A 7.925A 2.289A 519.485 91.193% 666 7.9 43.52°C 0.997
12.163V 5.023V 3.331V 5.025V 569.655 56.41°C 114.74V
90% 41.323A 8.468A 8.415A 2.392A 584.909 90.668% 669 8.1 44.76°C 0.997
12.158V 5.018V 3.327V 5.017V 645.116 59.59°C 114.72V
100% 46.083A 8.976A 8.937A 3A 649.737 90.027% 850 16.5 45.11°C 0.998
12.153V 5.013V 3.323V 5.001V 721.719 62.55°C 114.69V
110% 50.719A 9.985A 10.038A 3.003A 714.377 89.332% 1013 21.8 46.33°C 0.998
12.147V 5.007V 3.318V 4.995V 799.687 64.61°C 114.67V
CL1 0.115A 14.372A 14.293A 0A 121.288 85.723% 668 8.1 40.43°C 0.979
12.197V 5.023V 3.338V 5.092V 141.488 55.4°C 114.88V
CL2 0.113A 19.868A 0A 0A 101.347 84.093% 665 7.8 40.18°C 0.979
12.201V 5.031V 3.359V 5.097V 120.519 51.37°C 114.88V
CL3 0.113A 0A 19.717A 0A 67.396 80.175% 662 7.6 40.39°C 0.983
12.201V 5.042V 3.348V 5.098V 84.062 48.39°C 114.91V
CL4 53.424A 0A 0A 0A 649.552 90.968% 671 8.4 45.23°C 0.998
12.158V 5.039V 3.349V 5.061V 714.05 57.99°C 114.71V

Load regulation is tight at 12V, but this is not the case for the minor rails.

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
20W 1.218A 0.493A 0.49A 0.196A 20.001 75.994% 0 <6.0 41.63°C 0.861
12.200V 5.069V 3.369V 5.106V 26.317 36.04°C 114.91V
40W 2.678A 0.691A 0.686A 0.294A 39.999 84.737% 0 <6.0 45.16°C 0.945
12.204V 5.068V 3.37V 5.102V 47.204 37.67°C 114.9V
60W 4.140A 0.888A 0.881A 0.392A 59.998 87.842% 0 <6.0 46.71°C 0.97
12.204V 5.066V 3.369V 5.099V 68.303 38.86°C 114.9V
80W 5.598A 1.086A 1.077A 0.491A 79.945 89.789% 0 <6.0 47.79°C 0.985
12.204V 5.065V 3.369V 5.096V 89.036 39.09°C 114.89V

A glance at the light loads table is always useful, as the PSU will typically operate at light loads.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 25.9 mV 16.0 mV 16.8 mV 17.5 mV Pass
20% Load 26.9 mV 15.0 mV 15.8 mV 16.9 mV Pass
30% Load 25.7 mV 15.8 mV 16.6 mV 17.7 mV Pass
40% Load 25.0 mV 16.0 mV 17.0 mV 17.0 mV Pass
50% Load 25.6 mV 17.1 mV 17.1 mV 18.4 mV Pass
60% Load 27.9 mV 16.7 mV 16.7 mV 20.1 mV Pass
70% Load 27.5 mV 16.4 mV 17.1 mV 21.0 mV Pass
80% Load 28.5 mV 16.8 mV 18.0 mV 23.1 mV Pass
90% Load 28.0 mV 16.4 mV 16.7 mV 24.4 mV Pass
100% Load 28.8 mV 16.0 mV 16.2 mV 20.0 mV Pass
110% Load 29.9 mV 15.2 mV 15.8 mV 20.7 mV Pass
Crossload 1 25.9 mV 15.5 mV 16.6 mV 17.8 mV Pass
Crossload 2 27.4 mV 17.9 mV 16.3 mV 18.7 mV Pass
Crossload 3 26.4 mV 16.5 mV 18.8 mV 19.1 mV Pass
Crossload 4 28.5 mV 15.8 mV 15.9 mV 17.6 mV Pass

Ripple suppression is good overall.

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