Montech Titan PLA 850W 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% 5.194A 1.982A 1.971A 0.98A 84.994 86.63% 0 <6.0 44.25°C 0.933
12.208V 5.044V 3.349V 5.104V 98.112 40°C 114.84V
20% 11.384A 2.975A 2.958A 1.177A 169.915 90.085% 0 <6.0 45.1°C 0.958
12.211V 5.042V 3.347V 5.096V 188.618 40.53°C 114.82V
30% 17.946A 3.472A 3.453A 1.376A 254.916 91.498% 0 <6.0 46.12°C 0.97
12.195V 5.04V 3.345V 5.087V 278.598 41.02°C 114.79V
40% 24.503A 3.97A 3.95A 1.575A 339.995 91.709% 707 15.7 41.62°C 0.976
12.194V 5.038V 3.342V 5.079V 370.735 47.27°C 114.76V
50% 30.701A 4.965A 4.941A 1.775A 424.755 91.599% 704 15.6 42.13°C 0.979
12.190V 5.036V 3.339V 5.07V 463.711 48.13°C 114.73V
60% 36.869A 5.96A 5.934A 1.976A 509.307 91.274% 699 15.4 42.61°C 0.982
12.192V 5.034V 3.337V 5.061V 557.995 49.24°C 114.7V
70% 43.093A 6.957A 6.929A 2.177A 594.629 90.773% 745 17.7 43.12°C 0.984
12.195V 5.032V 3.334V 5.052V 655.07 50.14°C 114.67V
80% 49.314A 7.954A 7.923A 2.279A 679.47 90.203% 805 20.0 43.51°C 0.986
12.199V 5.03V 3.332V 5.045V 753.268 51.55°C 114.64V
90% 55.924A 8.452A 8.408A 2.382A 764.884 89.613% 1003 27.2 44.02°C 0.988
12.202V 5.028V 3.33V 5.038V 853.537 53.12°C 114.61V
100% 62.274A 8.953A 8.926A 2.988A 849.719 88.927% 1180 32.1 44.99°C 0.989
12.204V 5.026V 3.327V 5.021V 955.522 55.09°C 114.57V
110% 68.496A 9.953A 10.016A 2.991A 934.278 88.204% 1345 36.1 46.75°C 0.99
12.205V 5.023V 3.324V 5.016V 1059.229 57.69°C 114.53V
CL1 0.113A 11.962A 11.871A 0.001A 101.282 84.726% 0 <6.0 45.48°C 0.948
12.248V 5.032V 3.344V 5.119V 119.538 40.03°C 114.83V
CL2 0.113A 19.889A 0A 0.001A 101.365 82.911% 820 20.7 40.35°C 0.946
12.250V 5.027V 3.352V 5.122V 122.259 47.46°C 114.84V
CL3 0.113A 0A 19.757A 0.001A 67.381 77.539% 818 20.6 37.75°C 0.933
12.231V 5.046V 3.34V 5.119V 86.898 47.01°C 114.85V
CL4 69.644A 0A 0A 0A 849.555 89.452% 1155 31.4 45.15°C 0.989
12.199V 5.039V 3.336V 5.09V 949.749 56.09°C 114.57V

Load regulation is within 1% on all major 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 1.226A 0.495A 0.492A 0.195A 19.989 77.517% 0 <6.0 39.75°C 0.822
12.100V 5.048V 3.351V 5.123V 25.786 36.7°C 114.87V
40W 2.700A 0.693A 0.689A 0.293A 39.99 83.851% 0 <6.0 40.28°C 0.893
12.108V 5.047V 3.35V 5.12V 47.693 37.03°C 114.87V
60W 4.140A 0.892A 0.886A 0.391A 59.99 83.951% 0 <6.0 42.01°C 0.918
12.202V 5.046V 3.35V 5.117V 71.456 38.17°C 114.86V
80W 5.596A 1.09A 1.083A 0.489A 79.924 86.509% 0 <6.0 42.98°C 0.931
12.204V 5.046V 3.35V 5.115V 92.387 39°C 114.85V

The 12V rail starts at a low level and increases from 60W onwards. If I took the 60W load as a starting point, load regulation at 12V would be tighter.

Ripple Suppression

Test 12V 5V 3.3V 5VSB Pass/Fail
10% Load 11.7 mV 14.7 mV 13.7 mV 18.9 mV Pass
20% Load 11.8 mV 13.9 mV 14.0 mV 16.0 mV Pass
30% Load 31.1 mV 12.8 mV 14.1 mV 13.1 mV Pass
40% Load 21.3 mV 15.3 mV 14.0 mV 26.8 mV Pass
50% Load 19.8 mV 15.4 mV 14.9 mV 27.6 mV Pass
60% Load 19.4 mV 15.9 mV 15.4 mV 26.8 mV Pass
70% Load 20.0 mV 15.8 mV 16.2 mV 26.2 mV Pass
80% Load 20.0 mV 16.6 mV 16.2 mV 26.9 mV Pass
90% Load 19.8 mV 17.5 mV 16.1 mV 27.7 mV Pass
100% Load 29.4 mV 19.6 mV 19.4 mV 29.5 mV Pass
110% Load 29.4 mV 19.9 mV 22.2 mV 30.8 mV Pass
Crossload 1 12.0 mV 16.2 mV 16.6 mV 21.1 mV Pass
Crossload 2 12.4 mV 18.8 mV 14.7 mV 33.3 mV Pass
Crossload 3 11.8 mV 16.9 mV 16.4 mV 32.6 mV Pass
Crossload 4 28.8 mV 18.7 mV 17.9 mV 29.8 mV Pass

Ripple suppression is good enough.

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3 thoughts on “Montech Titan PLA 850W ATX v3.1 PSU Review

  1. I noticed that the test results, especially the fan control, differ between this review and the report 24PS2426A for same model. Did the review test a new revision that is not yet on the market?

    1. Seems, I found the relevant report – 23PS2308A. This appears to be an earlier revision of the power supply.

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