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Ultra X3 800 Watt Modular Review

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In order to test this Ultra X3 800 watt power supply, I’m going to be using a digital multimeter to measure the 3.3v and 5v lines as well as the 12v line at both load and idle. To achieve a full system load, I’ll be running Stressprime 2004 Orthos Edition to stress the CPU and Memory, 3DMark06 Professional to stress the video card, and HDTune to stress my three hard drives. This power supply will also be powering two 125mm fans and a 25cm fan – all on the highest setting. It’s desirable to have the volts stay as close to 3.3v, 5.0v, and 12.0v as possible; fluctuating volts are the last thing you want to see.

Testing Setup:

  • CPU: Intel E6600 Core 2 Duo
  • Motherboard: Abit IN9 32X Max WiFi
  • Memory: 2 x 2GB Mushkin XP2-6400 4-4-4-12
  • Video Card: Sapphire HD 3870
  • Power Supply: Ultra X3 800 Watt Modular Power Supply
  • Hard Drive(s): 2 x 500GB Seagate SATA, 1 x WD 160GB SATA
  • Opticals: Sony DVD-R Burner, Sony DVD-ROM
  • O/S: Windows XP Pro Service Pack 2
  • Comparison Power Supply: CoolerMaster 750watt
  • Comparison Power Supply: Ultra X-Pro 800watt
  • Comparison Power Supply: Ultra X-Finity 800watt

Testing Tool:

  • RadioShack 29-Range Multimeter

The Ultra X3 800 didn't fluctuate much at all. I almost expected it to fluctuate more because of how many watts it's pushing.

  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Closer Look (Accessories & Cables)
  4. Installation
  5. Specifications & Features
  6. Testing
  7. Conclusion
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