Super Flower Leadex III 1300W 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% 8.951A 1.985A 1.981A 0.983A 129.996 88.411% 0 <6.0 45.16°C 0.976
12.110V 5.038V 3.332V 5.088V 147.04 40.14°C 114.86V
20% 18.926A 2.977A 2.97A 1.182A 259.954 91.227% 0 <6.0 47.41°C 0.982
12.103V 5.038V 3.333V 5.075V 284.949 40.65°C 114.82V
30% 29.228A 3.472A 3.465A 1.383A 389.59 91.623% 369 <6.0 41.09°C 0.989
12.096V 5.04V 3.334V 5.062V 425.181 64.96°C 114.77V
40% 39.569A 3.968A 3.96A 1.584A 519.564 91.464% 484 7.5 41.79°C 0.992
12.089V 5.04V 3.334V 5.05V 568.051 67.87°C 114.73V
50% 49.592A 4.96A 4.949A 1.787A 649.732 90.955% 678 19.6 42.42°C 0.993
12.083V 5.041V 3.334V 5.037V 714.335 65.16°C 114.68V
60% 59.622A 5.953A 5.939A 1.991A 779.888 89.974% 1084 34.7 42.82°C 0.994
12.077V 5.041V 3.335V 5.025V 866.803 59.97°C 114.63V
70% 69.656A 6.945A 6.927A 2.195A 909.99 88.916% 1516 44.3 43.48°C 0.995
12.072V 5.041V 3.335V 5.012V 1023.418 58.86°C 114.58V
80% 79.694A 7.933A 7.914A 2.3A 1039.561 88.218% 1691 46.5 43.98°C 0.995
12.067V 5.041V 3.336V 5V 1178.424 60.21°C 114.52V
90% 90.137A 8.427A 8.391A 2.405A 1169.762 87.421% 1826 47.9 44.28°C 0.995
12.062V 5.043V 3.337V 4.989V 1338.061 62.12°C 114.47V
100% 100.333A 8.922A 8.9A 3.02A 1299.402 86.508% 2004 50.9 45.85°C 0.995
12.057V 5.043V 3.337V 4.968V 1502.086 64.58°C 114.41V
110% 110.462A 9.91A 9.978A 3.026A 1429.608 85.422% 2004 50.9 46.45°C 0.995
12.052V 5.044V 3.337V 4.957V 1673.59 69.16°C 114.35V
CL1 0.116A 11.941A 11.897A 0A 101.3 81.851% 663 19.1 41.68°C 0.981
12.118V 5.04V 3.337V 5.1V 123.782 50.42°C 114.85V
CL2 0.115A 19.821A 0A 0A 101.354 81.334% 459 <6.0 40.79°C 0.981
12.118V 5.043V 3.331V 5.1V 124.629 51.93°C 114.86V
CL3 0.114A 0A 19.724A 0A 67.398 75.565% 633 17.5 41°C 0.948
12.118V 5.039V 3.347V 5.103V 89.188 48.82°C 114.88V
CL4 107.869A 0A 0A 0.001A 1299.952 87.246% 1869 48.6 45.52°C 0.995
12.051V 5.041V 3.334V 5.031V 1489.978 64.64°C 114.42V

Load regulation is tight on the major rails.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 16.3 mV 14.6 mV 14.2 mV 13.6 mV Pass
20% Load 14.9 mV 14.6 mV 13.6 mV 13.7 mV Pass
30% Load 16.6 mV 16.0 mV 14.7 mV 13.9 mV Pass
40% Load 18.1 mV 17.2 mV 16.4 mV 15.4 mV Pass
50% Load 18.0 mV 16.6 mV 15.9 mV 14.6 mV Pass
60% Load 19.1 mV 18.2 mV 17.6 mV 15.0 mV Pass
70% Load 20.4 mV 18.7 mV 18.4 mV 16.4 mV Pass
80% Load 21.2 mV 19.6 mV 18.9 mV 19.6 mV Pass
90% Load 21.3 mV 19.3 mV 19.0 mV 21.7 mV Pass
100% Load 27.0 mV 22.0 mV 21.1 mV 23.9 mV Pass
110% Load 28.6 mV 22.5 mV 21.9 mV 28.0 mV Pass
Crossload 1 42.1 mV 17.6 mV 16.4 mV 24.2 mV Pass
Crossload 2 43.5 mV 18.8 mV 15.1 mV 22.3 mV Pass
Crossload 3 41.8 mV 16.4 mV 16.6 mV 21.4 mV Pass
Crossload 4 25.5 mV 20.2 mV 20.3 mV 26.9 mV Pass

Ripple suppression is good enough. That said, I am used to seeing lower ripple from SF units on the minor rails.

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