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PC Power & Cooling Silencer Mk III 600W PSU Review

For cooling, the company went with an Adda AD1212HB-A71GL ball bearing fan. This fan is known for being reliable but, with a maximum rotational speed of 2200RPM, not anything near silent. Of course the Silencer Mk III 600W unit has a thermal control circuit controlling the speed of the fan which will hopefully not have to rotate as fast.

The OEM behind the Silencer Mk III 600W unit is Seasonic and the power supply is based on their 600ET Bronze platform.

The filtering stage of this power supply is exceptional, starting at the back of the A/C receptacle and continuing on the PCB. It totally consists of six Y-type capacitors, three X-type capacitors, three coils, a surge suppressing MOV and also a glass fuse. Way stronger than the minimum recommended, the filtering stage of the Silencer Mk III is amongst the best we have ever encountered.

The primary capacitor of the power supply is supplied by Nippon Chemi-Con and is rated at 400V/560μF at 105°C. Nippon Chemi-Con also supplies the secondary side capacitors, with a stray Rubicon capacitor among the crowd.

The bridge rectifier chip is mounted on its own, small black heatsink.

The heatsinks of the Silencer Mk III are not too small but not large either; one could say that they are merely average considering the class and purpose of this power supply. They ought to be more than enough for the thermal needs of a 600W unit; however this particular model needs to be able to remains quiet as well.

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