Antec High Current Gamer HCG-520M 520W Power Supply Review

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Testing results (Efficiency, Noise & Thermal)

Being an 80Plus Bronze certified
unit, we did not expect breathtaking efficiency from the HCG-520M. The power
supply however does honor its certification, with the efficiency peaking at
86.4%/85.6% when powered from an 110VAC/230VAC power source respectively. The
minimum recorded efficiency was 82.8%, when the unit was fully loaded and
powered from a 110VAC source.

The thermal performance of the
HCG-520M is acceptable but, considering the unit’s mediocre power output, it
could have been much better. Nevertheless, even though the maximum temperature
delta was 12°C at maximum load, the delta remains at 4-5 degrees across the
entire nominal load range.

As expected after examining the
thermal performance of the HCG-520M, the noise levels of the unit are low as
long as the unit is below 50% load, beyond which point they will continuously rise
as the fan will be trying to cope with the increasing cooling demand. The
result is a unit which is quiet while nominally loaded but quite noisy as long
as it remains under stress. 

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