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PC Power & Cooling Silencer Mk.III 600W Power Supply Review

PC Power & Cooling Silencer Mk.III 600W Power Supply Review

PC Power and Cooling Silencer Mk.III 600W Power Supply Review

Testing Results – Synthetic

Silencer MkIII 600W Power Supply Testing Results
40°C 150W 300W 450W 600W
3.3V 3.304V 3.001V 2.998V 2.998V
5V 4.999V 5.010V 5.005V 4.998V
12V 12.001V 12.005V 11.990V 11.990V
Efficiency 85.4% 86.1% 85.3% 82.0%
Noise Level
(PSU Only)
25dBA 27dBA 29dBA 33dBA
Ambient Temp 25°C 25°C 25°C 25°C
Exhaust Temp 34°C 39°C 43°C 47°C

Oscilloscope AC Ripple (mV p-p) +3.3 +5 +12
600W 28 35 63

In our first set of results, shown above, we look at the performance of the unit when using our various testing tools to stress the PSU in a controlled environment at 40°C. Looking first to the 12v, 3.3v and 5v performance we have a PSU which supplies decent readings across the board. There is some fluctuation as we move through the various loads but the PSU never falls below the rated specification on each line. AC ripple is good for a PSU of this class, exceeding the recommended ratings easily. The standard for the industry states no more than 50Mv on 3.3/5v and 120mv on 12v so this unit is well within specification at 28/35(out of 50) on 3.3/5v and 63(out of 120) on 12v.

Looking at the efficiency of the PSU, the 600w version meets the Bronze specification without issue. Noise levels are also good with the unit remaining near silent well in excess of 75% load and past this it is still one of the quietest items in a system.

Finally we have exhaust temperature where the results produced by our sample were competitive in the mainstream market.

About Author

Stuart Davidson

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