Corsair RM1000x Shift ATX v3.1 PSU Review

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.

Pages ( 4 of 11 ): « Previous123 4 567891011Next »

Related Posts

Leave a Reply

Your email address will not be published. Required fields are marked *

Please consider turning off your adblocker to support our work! We work night and day to offer quality content, and ads help us continue our work! Thank you! The Hardware Busters Team