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Cooler Master Silent Pro 1200W Power Supply Review

paulktreg    -   July 25, 2010
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Conclusion:

 

Price Per the Watt:

Power Supply Cooler Master Silent Pro Gold 1200W at $269.99 = $0.23/Watt (07-2010)

 

The build quality of the Cooler Master Silent Pro Gold 1200W power supply is excellent - the finish is good and comes very well packaged with everything needed for a successful installation. The use of some innovative technologies have no doubt increased the efficiency of the unit, but I couldn't quite produce the results, following the OCC power supply testing methodology, to confirm its 80 Plus Gold status. This could in part be due to shortcomings in DC load and its use of fixed wire wound resistors, so it would be unfair to mark the power supply down in this respect, but all is still not well.

The Cooler Master Silent Pro Gold 1200W power supply produced a mixed bag of results during testing. The DC voltage load regulation was excellent and on a par with other power supplies in this class, but it did produce a disappointing set of results for AC noise/ripple. I always measure the AC noise/ripple levels at or near full DC load, which will always produce worst case results, but this is the recommended method as per the ATX12V V2.2 specification and the Cooler Master Silent Pro Gold 1200W doesn't perform too well.

The Cooler Master Silent Pro Gold 1200W is still worthy of your consideration - it certainly performs better than the majority of power supplies out there, but it's not quite up there with the likes of Corsair, Thermaltake, and PC Power and Cooling. Motherboards are fairly robust animals and will quite happily run for years with the poorest quality power supplies of which the Cooler Master Silent Pro Gold 1200W certainly isn't. If you are in need of a power supply for your next build/upgrade, or something to reliably power a couple of GTX 480s in SLI, then this power supply will certainly do the job.

 

Pros:

  • Good DC voltage load regulation
  • 80 Plus Gold certification
  • 5 year warranty
  • Modular
  • Plenty of connectors

 

Cons:

  • High AC noise/ripple
  • Noisy fan at full load.


 

OCC Bronze



  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Specification & Features
  4. Testing: DC Voltage Load Regulation
  5. Testing: Efficiency, Power Factor & DC Quality
  6. Testing: Temperature, Noise Level & Fan Speed
  7. Conclusion
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