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Enermax Revolultion87+ 1000-watt Power Supply Review

By: Chris Ramseyer | Other PSUs in Cases, Cooling & PSU | Posted: Feb 20, 2012 4:11 am
TweakTown Rating: 90%Manufacturer: Enermax USA

Test Results


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


The tests performed are based around six conceivable setups that are out there and progressively load down the PSU up to the power supply's limits or 1000W, whichever comes first. Since our test equipment's equal to that of the Enermax Revolution87+, we can test it to the maximum.






Let's start by taking a look at the voltages to see how well this unit did during testing. Starting with the 12V rails, we see 2% regulation from start to finish across all the rails. 12V2 showed the most significant voltage drop from Test 1 through Test 6, dropping a total of .18V. 12V1 and 12V4 showed the least voltage drop from Test 1 through Test 6, dropping a total of .16V. The 5V rail also stayed within 2% voltage regulation and a total drop of .06V. Moving towards the 3.3V rail, we see that regulation was within 1% with a total voltage drop of .04V.


DC output quality was excellent from start to finish and arguably one of the strongest points of the Revolution87+ 1000W. Starting out, we were barely able to see a ripple on the scope during Test 1 where we measured noise at a low 8mV peak to peak. This steadily increased as the loads also increased. By the time we had reached around 50% load, the unit ripple had crept up to 13mV. Under full load, we saw that the noise on the 12V rail had crept up to 24mV.


The Enermax Revolution87+ is rated for 80Plus Gold efficiency. This means that the power supply must perform at 87%/90%/87% efficiency at 20%/50%/100% loads respectively. As you can see, the Revolution87+ blew this out of the water while on our test bench. At no time was the unit close to failing for efficiency. As a matter of fact, the unit was extremely close to passing for a Platinum efficiency rating.



Final Thoughts


Once again, Enermax delivers a unit that performs well in all aspects.


The Revolution 87+ 1000W unit comes packed to the brim with features and extras. It also proves that it is worthy of the Enermax name with top notch performance from start to finish. Voltage regulation is excellent on all rails. The DC output quality and efficiency are also flawless.


It's hard to fault a unit in a big way when the only things you can find wrong with it are the price and the cable selection and connector availability.



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