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Power supply quality and 12v rail

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  • Power Supplies
  • Hard Drives
  • Components
Last response: in Components
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November 29, 2010 7:59:42 PM

Just received a new gtx460 hawk for my LAN system knowing that I needed a better power supply then my generic 420w one.

So I have been looking at either the Antec Earthwatts http://www.playtech.co.nz/afawcs0139235/CATID=534/ID=14...

or the Corsair http://www.playtech.co.nz/afawcs0139235/CATID=274/ID=55...

Also do i need a good 12v rail?

amd athlon II 240 AM3 at 3.2ghz
ASUS M2N68-AM AM2+
4gb dual channel ddr2
500gb 7200rpm HDD (maybe another hard drive later for raid)
DVD drive
gtx 460 hawk (to be overclocked)
3-4 120mm fans
Insert good power supply here

What benefits would I get from a single 12v rail on my system?
And is their a reason why the Antec is cheaper although Its rated 100w higher?

Thanks, any help is appreciated

More about : power supply quality 12v rail

a c 243 ) Power supply
November 29, 2010 8:19:12 PM

Yes
No benefits.
The Corsair is a higher quality build.
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a b ) Power supply
November 29, 2010 9:28:48 PM

Delluser is, as usual, correct . . . and a man of few words :) 

Unlike other parts, a poor-quality psu can damage parts of your PC, shorten its lifespan, and in extreme cases . . . worse. PSU failures cause strange symptoms, More than 50% of the hardware problems resolved here are fixed with a new psu.

The Antec you chose has been around a few years and is well known to us as a very good psu:

http://www.jonnyguru.com/modules.php?name=NDReviews&op=...

(You might read at least the first page as well.)

That Corsair was reviewed even better (as most Corsair units are) when introduced several years ago:

http://www.jonnyguru.com/modules.php?name=NDReviews&op=...

Either one is satisfactory, the Corsair is "a higher quality build".
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November 29, 2010 9:34:44 PM

looks like the corsair is a better buy. Thanks for the quick replies.
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a c 92 ) Power supply
November 30, 2010 5:26:03 AM

There is nothing wrong with the Antec, I'd buy it simply because its cheaper. You don't need a 500W+ PSU btw.
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