Corsair SF750 (2024) 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% 4.404A 1.999A 1.981A 0.986A 74.995 88.103% 0 <6.0 44.23C 0.874
12.125V 5.002V 3.331V 5.07V 85.122 40.01C 114.89V
20% 9.817A 3A 2.973A 1.185A 149.928 91.199% 0 <6.0 45.22C 0.944
12.124V 5V 3.33V 5.064V 164.396 40.67C 114.87V
30% 15.578A 3.5A 3.47A 1.384A 224.926 92.184% 0 <6.0 46.09C 0.963
12.124V 5V 3.329V 5.057V 243.998 41.00C 114.84V
40% 21.346A 4A 3.966A 1.584A 300.012 92.419% 0 <6.0 47.41C 0.975
12.125V 5V 3.328V 5.05V 324.622 41.85C 114.82V
50% 26.717A 5.002A 4.96A 1.785A 374.433 92.151% 963 9.4 42.26C 0.982
12.125V 4.998V 3.327V 5.042V 406.327 48.28C 114.79V
60% 32.135A 6.005A 5.956A 1.986A 449.361 91.86% 1299 18.6 42.58C 0.986
12.122V 4.997V 3.325V 5.036V 489.181 49.09C 114.77V
70% 37.556A 7.008A 6.953A 2.187A 524.286 91.431% 1664 27.1 42.99C 0.989
12.120V 4.995V 3.323V 5.029V 573.424 50.06C 114.74V
80% 43.037A 8.01A 7.95A 2.289A 599.486 90.549% 2407 37.2 43.88C 0.99
12.119V 4.993V 3.321V 5.024V 662.06 51.89C 114.71V
90% 48.856A 8.512A 8.435A 2.391A 674.511 90.04% 2775 40.6 44.57C 0.992
12.118V 4.992V 3.32V 5.019V 749.124 53.66C 114.68V
100% 54.479A 9.016A 8.95A 2.997A 749.738 89.37% 3104 43.2 45.87C 0.993
12.116V 4.991V 3.318V 5.006V 838.919 55.95C 114.66V
110% 59.970A 10.021A 10.041A 2.999A 824.763 88.652% 3453 45.6 46.79C 0.993
12.114V 4.988V 3.316V 5.002V 930.343 57.72C 114.63V
CL1 0.115A 15.697A 15.564A 0A 131.296 85.097% 1518 24.0 40.83C 0.939
12.140V 4.988V 3.316V 5.078V 154.288 46.34C 114.86V
CL2 0.114A 20.026A 0A 0A 101.342 84.132% 2318 36.3 40.31C 0.911
12.136V 4.991V 3.329V 5.082V 120.456 47.37C 114.88V
CL3 0.114A 0A 19.898A 0A 67.398 79.3% 2045 33.0 41.64C 0.873
12.133V 4.999V 3.318V 5.083V 84.991 50.72C 114.9V
CL4 61.889A 0A 0A 0A 749.576 90.145% 2713 40.2 46.27C 0.992
12.111V 5.002V 3.331V 5.055V 831.532 57.25C 114.65V

Load regulation is tight on all rails.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 14.0 mV 14.5 mV 12.6 mV 16.4 mV Pass
20% Load 14.6 mV 13.6 mV 11.8 mV 15.9 mV Pass
30% Load 17.4 mV 14.8 mV 12.7 mV 15.7 mV Pass
40% Load 18.3 mV 14.8 mV 13.2 mV 16.1 mV Pass
50% Load 20.7 mV 14.4 mV 12.5 mV 16.3 mV Pass
60% Load 23.0 mV 14.3 mV 13.4 mV 15.5 mV Pass
70% Load 27.6 mV 15.8 mV 14.8 mV 17.0 mV Pass
80% Load 25.7 mV 15.7 mV 14.6 mV 25.2 mV Pass
90% Load 27.1 mV 15.6 mV 14.9 mV 16.6 mV Pass
100% Load 35.0 mV 16.3 mV 15.9 mV 21.4 mV Pass
110% Load 37.9 mV 17.2 mV 16.6 mV 21.5 mV Pass
Crossload 1 22.0 mV 18.3 mV 15.2 mV 35.3 mV Pass
Crossload 2 18.7 mV 18.8 mV 13.6 mV 33.7 mV Pass
Crossload 3 17.2 mV 14.8 mV 14.7 mV 32.5 mV Pass
Crossload 4 35.5 mV 16.0 mV 15.0 mV 36.1 mV Pass

Ripple suppression is good enough.

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3 thoughts on “Corsair SF750 (2024) ATX v3.1 PSU Review

  1. I do apologise, there’s not much information right now but for clarity, the landing page for the updated sfx psus state as such…
    sf750 – 2x pice 8 pin cables
    sf850 – 3x pice 8 pin cables
    sf1000 – 4x pice 8 pin cables
    Can you confirm that the new sf750 actually does include 3x pice 8 pin cables?
    This is a concern for me.

    1. It has two 6+2 pin cables, as I have in the cable description table, and one 12+2 pin.
      I found that there was a typo in the general specs list, fixed it.

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