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Psu help!

Last response: in Components
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by looking at ur links i can see psu 2 is as powerfull as crosair hx 750w and its only £73 compared to £118.

coolermaster gx : 60a 12v+Single rail 750w psu £73
crosair 750whx: 62a 12v+Single rail 750w £118


so shell i get the cooler master?
Power supply Master

Did you find a good independent review of the CM 650GX? Those customer reviews ('it works good for me') don't always give you a good indication just how good a PSU it really is.
Power supply Master

Customer reviews are of extremely limited value. Look for a competent technical review (e.g. jonnyguru, hardwaresecrets) that includes load testing and waveform analysis under realistic operating conditions. Some Coolermaster PSUs are garbage, a few of the newer ones are good. All Antec (except <500W Basiq), all Corsair, and all Seasonic are good. Unless you're planning to Crossfire, then as mosox said 650W is enough.

psu is the only part which i dont have deep understanding about, i dont get whats the difference between quad 12v rails compared to single powerfull rail. i DONT KNOW which 1 is better and provides higher power for sli or single card.

can any 1 explain should i get a quad rail psu or single and if so why?. and secondly which 1 will provide more then enough power for my setup. 1 last thing... whats the difference between the two i mentioned above^ ?

coolermaster gx : 60a 12v+Single rail 750w psu £73
crosair 750whx: 62a 12v+Single rail 750w £118


why is crosair better then coolmaster when they both are nearly identicle specs.

just read the review, thanks you

1 last think for sinlge card and multi card config
is a single powerfull 12v rail better then quad 12vrail at lower Amps?

or shell i say whats the difference between the 2 for multi gpu /single gpu
Power supply Master

helloshayan said:
or shell i say whats the difference between the 2 for multi gpu /single gpu
It's not an indication of quality. Everything else being equal there isn't any reason to choose a single rail over multi-rail PSU.
Power supply Master

A multi-rail PSU can be safer. There's marketing in it too, of course, but read the vendor voice thingy from Antec on Tom's main page. That explains it pretty well.
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