| Cooler Master Real Power Pro 1000W Power Supply
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Testing:
For the testing portion of this review, the Cooler Master Real Power Pro 1000W power supply was installed in a system with the following components:
» Intel Core 2 Duo E6600 dual core processor
» Thermalright Ultima-90 heatpipe CPU cooler
» ASUS P5KC P35 ATX motherboard
» OCZ Technology PC3-10666 ReaperX HPC 2GB DDR3 Kit
» Two Western Digital Raptor 10,000RPM 36GB hard drives
» eVGA GeForce 8800GTS G92 512MB video card
» SAMSUNG 20x DVD Burner with LightScribe
» IcyDock MB122SKGF-1B hard drive enclosure
» Vantec EZ Swap EX 2.5 Inch hard drive enclosure
Testing the Real Power Pro 1000W power supply will be focused on determining how much the main voltage rails (+5V, +12V, and +3.3V) fluctuate from idle conditions to full load conditions using a Fluke model 83 digital multimeter to monitor all voltage readings.
The idle condition was established by powering the system at stock speeds and voltages with no applications running for a period of at least 30 minutes. The load condition was established by running Orthos and 3DMark06 for a period of at least 60 minutes. In addition to these stressful applications running, the system was overclocked and overvolted to add more demand to the power supply. The stock condition has the CPU at 2.4GHz and 1.25V, while the overclocked condition has it at 3.0GHz and 1.47V.
The first thing we will look at is how the unit's voltage rails fluctuated between idle and load conditions. All values were very stable, with the 12V, 5V, and 3.3V rails barely changing from idle to load conditions. The chart below summarizes the readings.
As a point of reference, the load voltage readings from the Cooler Master Real Power Pro 1000W power supply were compared with those from a Zippy PSL-6720P(G1) 720W unit and a Zippy GSM-6600P(G1) 600W unit, while powering the same test system.
The Real Power Pro 1000W unit has a bit higher voltage readings than both Zippy models. None of the power supplies tested had any voltage readings that were even close to being out of specification.
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