Power supply quality and 12v rail

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=14355/SID=158550327/productdetails.html

or the Corsair http://www.playtech.co.nz/afawcs0139235/CATID=274/ID=552/SID=160342863/productdetails.html

Also do i need a good 12v rail?

amd athlon II 240 AM3 at 3.2ghz
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
4 answers Last reply
More about power supply quality rail
  1. Yes
    No benefits.
    The Corsair is a higher quality build.
  2. 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:


    (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:


    Either one is satisfactory, the Corsair is "a higher quality build".
  3. looks like the corsair is a better buy. Thanks for the quick replies.
  4. 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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