Load Regulation
It measures the stability of the output voltage when the load connected to the power supply varies.
| Test | 12V | 5V | 3.3V | 5VSB | DC/AC (Watts) | Efficiency | Fan Speed (RPM) | PSU Noise (dB[A]) | Temps (In/Out) | PF/AC Volts |
| 10% | 6.486A | 2.006A | 1.99A | 0.991A | 100.022 | 88.724% | 0 | <6.0 | 48.72°C | 0.948 |
| 12.091V | 4.986V | 3.317V | 5.045V | 111.605 | 40.1°C | 113.8V | ||||
| 20% | 13.994A | 3.01A | 2.987A | 1.191A | 199.979 | 91.937% | 0 | <6.0 | 49.05°C | 0.97 |
| 12.081V | 4.984V | 3.315V | 5.037V | 216.134 | 40.58°C | 114.3V | ||||
| 30% | 21.866A | 3.513A | 3.486A | 1.392A | 300.037 | 92.503% | 0 | <6.0 | 53.22°C | 0.98 |
| 12.073V | 4.983V | 3.314V | 5.029V | 322.065 | 41.16°C | 114.24V | ||||
| 40% | 29.732A | 4.016A | 3.985A | 1.594A | 399.832 | 92.266% | 0 | <6.0 | 54.07°C | 0.991 |
| 12.062V | 4.982V | 3.313V | 5.02V | 433.398 | 41.8°C | 114.88V | ||||
| 50% | 37.266A | 5.022A | 4.985A | 1.796A | 499.639 | 91.751% | 419 | <6.0 | 42.3°C | 0.996 |
| 12.052V | 4.98V | 3.311V | 5.012V | 544.512 | 57.36°C | 114.82V | ||||
| 60% | 44.872A | 6.029A | 5.986A | 1.999A | 600.176 | 91.113% | 419 | <6.0 | 42.83°C | 0.997 |
| 12.042V | 4.978V | 3.308V | 5.003V | 658.148 | 59.3°C | 114.71V | ||||
| 70% | 52.422A | 7.037A | 6.988A | 2.203A | 699.9 | 90.392% | 617 | 15.1 | 43.19°C | 0.997 |
| 12.033V | 4.976V | 3.307V | 4.995V | 774.39 | 58.95°C | 114.78V | ||||
| 80% | 60.050A | 8.044A | 7.99A | 2.306A | 799.901 | 89.565% | 758 | 22.3 | 43.74°C | 0.998 |
| 12.023V | 4.974V | 3.304V | 4.987V | 893.136 | 60.22°C | 114.76V | ||||
| 90% | 68.025A | 8.549A | 8.477A | 2.41A | 899.684 | 88.697% | 956 | 29.8 | 44.92°C | 0.998 |
| 12.013V | 4.972V | 3.303V | 4.981V | 1014.396 | 61.1°C | 114.73V | ||||
| 100% | 75.812A | 9.055A | 8.996A | 3.02A | 999.699 | 87.739% | 1193 | 36.2 | 45.11°C | 0.998 |
| 12.003V | 4.97V | 3.301V | 4.967V | 1139.431 | 61.69°C | 114.7V | ||||
| 110% | 83.547A | 10.064A | 10.092A | 3.024A | 1100.313 | 86.671% | 1523 | 42.1 | 46.42°C | 0.998 |
| 11.993V | 4.968V | 3.299V | 4.961V | 1269.581 | 62.59°C | 114.68V | ||||
| CL1 | 0.116A | 14.508A | 14.406A | 0A | 121.313 | 83.182% | 416 | <6.0 | 40.29°C | 0.961 |
| 12.078V | 4.977V | 3.311V | 5.044V | 145.741 | 56.32°C | 114.93V | ||||
| CL2 | 0.116A | 20.096A | 0A | 0A | 101.4 | 81.681% | 1058 | 32.7 | 41.79°C | 0.954 |
| 12.090V | 4.976V | 3.319V | 5.051V | 123.62 | 47.27°C | 114.92V | ||||
| CL3 | 0.116A | 0A | 19.961A | 0A | 67.395 | 76.59% | 741 | 21.7 | 41.04°C | 0.939 |
| 12.090V | 4.985V | 3.306V | 5.051V | 87.762 | 47.07°C | 114.67V | ||||
| CL4 | 83.245A | 0A | 0A | 0A | 1000.155 | 88.45% | 1165 | 35.4 | 45.74°C | 0.998 |
| 12.014V | 4.979V | 3.308V | 5.012V | 1130.757 | 56.63°C | 114.72V |
Load regulation is within 1% on all primary 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 | 1.228A | 0.501A | 0.497A | 0.198A | 20.009 | 75.297% | 0 | <6.0 | 44.95°C | 0.817 |
| 12.100V | 4.988V | 3.318V | 5.059V | 26.67 | 37.28°C | 114.95V | ||||
| 40W | 2.702A | 0.702A | 0.696A | 0.297A | 40.006 | 82.642% | 0 | <6.0 | 43.24°C | 0.901 |
| 12.098V | 4.988V | 3.318V | 5.057V | 48.433 | 37.3°C | 114.94V | ||||
| 60W | 4.178A | 0.903A | 0.895A | 0.396A | 60.004 | 86.008% | 0 | <6.0 | 47.03°C | 0.928 |
| 12.096V | 4.987V | 3.318V | 5.055V | 69.772 | 38.29°C | 114.94V | ||||
| 80W | 5.650A | 1.103A | 1.094A | 0.495A | 79.968 | 87.973% | 0 | <6.0 | 47.22°C | 0.941 |
| 12.094V | 4.987V | 3.317V | 5.053V | 90.904 | 39.49°C | 114.94V |
A glance at the light-load table is always useful, as the PSU typically operates at light loads.
Ripple Suppression
Ripple in power supplies refers to the small, unwanted AC voltage fluctuations superimposed on the DC output. It occurs due to imperfect filtering during the AC-to-DC conversion. Lower ripple is highly preferable because it ensures a cleaner, more stable DC output, reducing noise and potential interference in sensitive electronics, improving performance, and extending component lifespan. High ripple can cause instability, overheating, or damage to connected devices.
| Test | 12V | 5V | 3.3V | 5VSB | Pass/Fail |
| 10% Load | 14.6 mV | 8.9 mV | 4.9 mV | 8.3 mV | Pass |
| 20% Load | 10.4 mV | 8.6 mV | 6.1 mV | 8.4 mV | Pass |
| 30% Load | 10.8 mV | 10.5 mV | 11.4 mV | 8.7 mV | Pass |
| 40% Load | 11.2 mV | 11.5 mV | 13.8 mV | 8.6 mV | Pass |
| 50% Load | 10.3 mV | 9.5 mV | 7.4 mV | 8.2 mV | Pass |
| 60% Load | 11.1 mV | 9.2 mV | 6.0 mV | 8.8 mV | Pass |
| 70% Load | 12.5 mV | 9.0 mV | 6.7 mV | 9.7 mV | Pass |
| 80% Load | 12.9 mV | 10.6 mV | 9.5 mV | 9.4 mV | Pass |
| 90% Load | 13.7 mV | 10.3 mV | 9.2 mV | 10.5 mV | Pass |
| 100% Load | 22.0 mV | 10.8 mV | 11.4 mV | 15.8 mV | Pass |
| 110% Load | 24.5 mV | 11.0 mV | 10.5 mV | 16.0 mV | Pass |
| Crossload 1 | 16.4 mV | 10.9 mV | 10.0 mV | 8.3 mV | Pass |
| Crossload 2 | 14.6 mV | 8.4 mV | 4.2 mV | 6.7 mV | Pass |
| Crossload 3 | 13.9 mV | 11.6 mV | 10.1 mV | 9.4 mV | Pass |
| Crossload 4 | 21.7 mV | 9.9 mV | 8.0 mV | 8.3 mV | Pass |
Ripple suppression is good overall.
















Is adding fan failure protection considered complex and expensive?
It needs some work yes but if you have a dedicated fan controller already it is easier
Generally speaking, the Great Wall’s platform on the shift version is better and more reliable than the Channel Well’s platform on the standard version? It seems the standard version’s platform is more robust.