For the purpose of this review I will be installing the Chieftec A135 750watt in the following system: To test the Chieftec A135 750w I will measure the power rails at idle and load to see what the deviation on any given rail is. As the psu has multiple 12v rails I will measure each of them, and the 3.3v and 5v, with a digital voltmeter. For the load tests I will run stress prime to put max load on the cpu, copy a large amount of files from one place to another to load up the hard drives, burn a cd and run ati’s artfact scanner to load up the graphics card. This should, I believe, put about as much load on the power supply as this system can. 
Fitting the Chieftex A135 750w power supply was as easy as you would expect, maybe easier due to its semi modular design. Simply remove the old power supply then refit the Chieftec, plug in the cables required and that was it. The pc powered up first time so I set about testing taking the idle readings first. Test results as follows. 
I think it’s reasonably safe to say that the Chieftec A135 750w passed that test with flying colours. No rail deviated any amount really worth mentioning considering what the pc was doing, I think the 12v rail being a quarter of a volt from rated value, albeit 2%, approximately, whilst running a major graphics test and 4 instances of a torture test and running a virus check isn’t worth worrying about in my opinion and well within the standards, especially as the rails got closer to rated voltage under load. I think it would require some beast of a pc to cause this power supply to waver enough from the rated voltages to make it worrying. The fan is very quiet also as I cannot hear it at all above the fans on the rest of the system. Next Page: - Conclusion
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