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Cooler Master Real Power Pro 850W Review

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To properly test the Cooler Master Real Power Pro 850W power supply, I will be using a digital multimeter to gather readings of the different rails of the power supplies. I will be doing this under two conditions. The first will be idle testing, measured after the computer has been started up and sitting for about a half hour doing nothing. The second condition I will be measured while the computer is performing different tasks back-to-back, such as an OCCT 30 minute stress test, as well as 3DMark06.

Testing Setup:

  • Processor: Intel E6600 @ 3400MHz
  • Motherboard: Gigabyte GA-P35-DQ6
  • Memory: Mushkin PC2-6400 (4GB)
  • Video Card: HIS ATI Radeon X1950Pro (GPU @ 587MHz, Memory @ 770MHz)
  • Power Supply: Cooler Master Real Power Pro 850W
  • Power Supply: Ultra Power Partner 325W
  • Power Supply: OCZ 700W GameXStream
  • Hard Drive: Western Digital 320GB 16MB Cache SATA
  • Optical Drive(s): Lite-on DVD-RW
  • Case: Cooler Master Cosmos 1000
  • Heatsink: Thermalright Ultra 120 Extreme
  • O/S: Windows Vista Ultimate














The Cooler Master Real Power Pro 850W power supply did very well compared to the other power supplies that it was compared to. All of the rails of the Real Power Pro were more stable and closer to the rating that they are rated for when put up against the other power supplies.  

  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Specifications & Features
  4. Testing
  5. Conclusion
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