NZXT C1200 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% 8.096A 1.973A 1.964A 0.993A 120.001 84.263% 0 <6.0 44.47C 0.949
12.155V 5.07V 3.36V 5.036V 142.416 40.23C 115.1V
20% 17.190A 2.959A 2.95A 1.193A 239.962 89.275% 0 <6.0 45.50C 0.973
12.162V 5.07V 3.356V 5.029V 268.791 40.93C 115.05V
30% 26.614A 3.454A 3.445A 1.395A 359.266 90.853% 0 <6.0 46.41C 0.98
12.145V 5.068V 3.352V 5.02V 395.439 41.40C 115.02V
40% 36.122A 3.948A 3.942A 1.597A 479.639 90.949% 410 <6.0 41.71C 0.986
12.137V 5.067V 3.349V 5.012V 527.369 47.25C 114.99V
50% 45.255A 4.94A 4.932A 1.8A 599.444 90.601% 505 8.9 42.18C 0.99
12.130V 5.062V 3.345V 5V 660.404 48.26C 114.75V
60% 54.465A 5.932A 5.926A 2A 719.947 90.018% 696 17.2 42.94C 0.992
12.121V 5.059V 3.341V 4.99V 799.773 49.45C 114.91V
70% 63.619A 6.925A 6.922A 2.209A 839.69 89.271% 918 26.3 43.16C 0.993
12.112V 5.056V 3.337V 4.98V 940.609 50.21C 114.87V
80% 72.853A 7.916A 7.919A 2.314A 959.677 88.389% 1111 32.1 43.43C 0.993
12.104V 5.053V 3.333V 4.971V 1085.752 51.47C 114.82V
90% 82.408A 8.415A 8.409A 2.419A 1079.515 87.445% 1321 38.0 44.56C 0.994
12.098V 5.05V 3.329V 4.962V 1234.51 53.59C 114.78V
100% 91.740A 8.914A 8.93A 3.032A 1199.575 86.433% 1511 41.2 45.50C 0.994
12.098V 5.048V 3.325V 4.947V 1387.868 55.64C 114.74V
110% 100.981A 9.909A 10.027A 3.037A 1320.21 85.191% 1717 44.6 46.59C 0.995
12.100V 5.046V 3.32V 4.939V 1549.701 57.47C 114.72V
CL1 0.115A 14.265A 14.245A 0A 121.299 79.529% 489 7.9 41.78C 0.954
12.170V 5.061V 3.348V 5.038V 152.522 51.12C 115.09V
CL2 0.115A 21.723A 0A 0A 111.387 77.513% 409 <6.0 41.08C 0.950
12.173V 5.064V 3.352V 5.044V 143.695 49.72C 115.09V
CL3 0.115A 0A 21.758A 0A 73.986 72.262% 408 <6.0 40.22C 0.955
12.168V 5.079V 3.336V 5.039V 102.386 48.62C 115.11V
CL4 99.171A 0A 0A 0A 1200.048 87.191% 1487 40.7 45.79C 0.994
12.100V 5.061V 3.326V 4.986V 1376.354 55.10C 114.76V

Load regulation is within 1% on all major rails but 3.3V.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 7.9 mV 5.3 mV 3.7 mV 5.3 mV Pass
20% Load 11.2 mV 5.3 mV 4.1 mV 5.4 mV Pass
30% Load 10.0 mV 8.1 mV 5.9 mV 5.4 mV Pass
40% Load 9.6 mV 10.8 mV 10.7 mV 5.6 mV Pass
50% Load 10.0 mV 7.8 mV 5.7 mV 5.6 mV Pass
60% Load 11.8 mV 7.8 mV 4.9 mV 5.7 mV Pass
70% Load 12.1 mV 10.4 mV 6.8 mV 6.3 mV Pass
80% Load 12.5 mV 7.4 mV 9.8 mV 6.1 mV Pass
90% Load 14.0 mV 8.8 mV 8.9 mV 7.4 mV Pass
100% Load 18.9 mV 8.5 mV 8.9 mV 8.0 mV Pass
110% Load 20.7 mV 19.3 mV 13.0 mV 10.3 mV Pass
Crossload 1 9.4 mV 7.3 mV 9.4 mV 6.5 mV Pass
Crossload 2 10.0 mV 6.4 mV 4.1 mV 6.4 mV Pass
Crossload 3 7.5 mV 6.8 mV 10.0 mV 6.0 mV Pass
Crossload 4 18.1 mV 7.3 mV 6.0 mV 7.2 mV Pass

Ripple suppression is good on all rails.

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4 thoughts on “NZXT C1200 ATX v3.1 PSU Review

  1. The difference between the original C1200 and ATX 3.1 version is not just limited to the 12V-2×6 connector. The new version also has one extra PCIe connector, which is good if you have a GPU with three PCIe connectors like the 7900 XTX from AIBs.

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