I like that, I have narrowed it down to that Ultra, the Logisys, and this. ARGHH!! I can't make up my mind.
OK, the Ultra is the best PSU of the three, with a strong single rail and effective modular interface. On the downside, it costs a bit more than the others, which would also be quite sufficient for the system in question.
Honestly, I'd avoid the Logisys units. It's Youngyear based, and they have a very poor reputation for build quality. I doubt it would be able to provide more than about two thirds of the 450W it's rated for (yes, it's 450W not 575 - take a look at the label). Even then you're usually looking at poor voltage regulation.
The Orion has been previously discussed here:
http://www.computerforum.com/73603-very-best-power-supply-money.html. Worth reading that thread before I have to repeat myself
The XClio is undoubtedly good quality. With the discount, however, I feel that the Ultra unit offers a fair bit more, both in features and power output, for the same price.
If you don't mind spending the full $50, the Ultra is worth it. If not I can direct you to other ~$30 choices to make your choice even more difficult
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Hope some of this helped.
