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Ultra X3 1000 Watt Modular Power Supply

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How will I know if this power supply delivers the watts? I need to test how it performs under load, verifying the voltages and airflow. With that being said, we can finally start testing this beast. To put this power supply through its paces, I will run a series of tests to load it as heavily as I can with the system I have. The testing procedure will include running Stressprime 2004 Orthos Edition to stress the CPU and memory, HDtune to load the Hard drives, and 3DMark06 Professional to stress both video cards. The test system includes 5 high cfm Silverstone fans to add additional load to the 12 volt line. Additionally, I will check the airflow at both idle and load conditions to verify any increase in airflow through the rear of the power supply. Voltage measurements will be taken with my trusty voltmeter, while airflow will be tested using my Kestral 4100 pocket airflow tracker.


Testing Tools:

  • Greenlee DM-300 Digital Voltmeter
  • Kestral 4100 Pocket Airflow Tracker

Testing Setup:

  • CPU: Intel E6700 Core 2 Duo 400x9
  • Motherboard: DFI Lanparty 680i LT SLI-T2R
  • Memory: 2 x 1GB Mushkin HP6400 450FSB 5-4-4-12
  • Video Card(s): Evga 8800 GTS 640MB (x 2)
  • Power Supply: Ultra  X3 1000 Watt Modular Power supply
  • Hard Drive: 2 x 74GB WD raptors in raid 0, 2 x WD 250GB 16MB cache SATA
  • Opticals:   BenQ DW-1655 Lightscribe DVD-R, Sony DVD-Rom
  • O/S: Windows XP Pro Service Pack 2
  • Comparison Power Supply: Thermaltake Toughpower Cable management 1000w
  • Comparison Power Supply: OCZ GameXstream 700watt









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