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Best 500W+ PSU for ~$100ish - Page 2

post #11 of 16
dude, I would go with the sunbeam nuuo! http://www.newegg.com/Product/Produc...82E16817709004 It's very organized too with its cables.
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post #12 of 16
I have an Antec Smart Power, and I love it. It may not be the best, but when my PSU died I couldn't wait for shipping from newegg.com, so I had to go with the best that Circuit City had. I have been plesantly surpriced.
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post #13 of 16
Quote:
Originally Posted by Chozart
.. and here a follow up test by the same website They improved their product

http://www.tomshardware.com/2006/02/...ent/page8.html

Also, the only reason why it "failed" the test, was an out-of-spec -12V rail. This is seldom used. Thus in practical sense a minor issue. It DID pass the ~24 hour stress test.
No, it didn't pass the stress test.
http://www.tomshardware.com/2005/07/...st/page28.html
In order to pass a stress test, a psu can't distort the original waveform. Having too high of a -12V rail is distorting the original power waveform and was rightfully failed. Not only was the -12V rail out of specs, but here's a quote about the 2 12V rails.

"The Hiper Type-R 580W displayed some weaknesses in terms of voltage:

The reading for the first 12V line was 12.18V and for the second 12V line (CPU) it was 12.04V"

As I mentioned earlier, Hiper apparently has addressed the issues, but there's no reason to take a chance with them. I challenge you to find a Seasonic,Fortron or Nuuo failing to meet specs in any review, no matter how brutal the testing.
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post #14 of 16
sccr: Touche

You're right, I'd not take the chance myself. Personally, I don't like modular PSUs... the additional connector adds a little resistance. (probably just minor, but ok).

The NUUO is far and away the MVP of PSUs on this forum However, I find its efficiency quite low. (>72% full/typical, >62% light loads; ATX12V spec for light loads is >65%). Now it could be that they report their efficiency conservatively, but esp. at light loads, it's low. I know, minor issue that does not change the fact that it is a very good PSU.

However, if you're planning high-end SLI or Crossfire (Dual GeForce 7900 GTX or Dual GeForce 7800 GTX 512 MB* or X1900 series), you'll need something heavier, like the FSP 700W offering, but then we're talking a different price category.

NUUO is an excellent choice; Antec TPII is a great deal with the mail in rebate right now. Both will serve you well.
    
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post #15 of 16
post #16 of 16
Yes, I know the NUUO has PFC, which makes the low efficiency ratings even more odd... PFC normally improves efficiency.

It's also funny that Sunbeam's website talks about Active PFC, and then under specs it notes (the fine print...) that Active PFC is only available on their EUAP versions (since PFC is mandatory in the EU).

Again, great PSU, just odd efficiency numbers given the (alleged) active PFC

My question: U.S. owners of the NUUO: does it have active PFC? The Sumbeam website is contradicting itself a little about that as I just said.
    
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