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Ultra X4 850 Watt Full Modular Power Supply - Test Results


By: | Other PSUs in Cases, Cooling & PSU | Posted: Apr 26, 2010 2:52 pm
TweakTown Rating: 89%Manufacturer: Ultra Products

Test Results

Our load tests leverage a couple of FAST ATE active load testers and a variety of other equipment such as a hotbox, oscilloscope, power conditioner, temperature probe and a power consumption meter. You can read more about our standard testing approach here.

The tests being performed are based around six conceivable setups that are out there:-

- Test 1 is based around a "standard gaming system that would place a load of about 20%.
- Test 2 is delving into an entry-level sli setup, pulling about 50%.
- Test 3 starts going into an enthusiast's sli or crossfire setup, drawing a 65% load.
- Test 4 is for an SLi/Crossfire setup with high-end cards incl. 3-way arrangements pulling 100%.
- Test 5 takes the configuration for test four, but adds over clocking.
- Test 6 utilizes the maximum capacity of the testing equipment or the PSU; whichever is higher.

The test equipment pulls a max of 1000 Watts during these tests.

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From my tests, this particular unit did achieve the efficiency being advertised. Unlike its larger, more powerful sibling, it evenly meets and in some cases nearly surpasses the Silver certification. Although it's important to keep in mind that different systems will yield different results, it's impressive to know that our unit had the efficiency to back the certification.

 

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