Yes because a poor quality PSU cannot provide the power needed by the processor to stabilize (sp?). Having a good quality PSU is better for overclocking, cause it can provide a higher, more steady power than a poor PSU. Overclocking looooooves high currents.
cheap psu= dirty power (it jumps up and down way to mutch ( the volts and watts)
good psu= a nice clean power currnet and it will jump less so the sytem will be more stable
The thing is why would you want to trust all your expensive equipment on a psu that could destroy it all because you were stingy. You need a strong foundation if you want to build something on it and a weak or inferior psu is asking for trouble
Ya, you need a good PSU. My girlfriend can't overclock her system at all because of this A good PSU is the first thing you should get if you're planning to overclock.
wizard, its not about watts its about a good quality psu like antec, Enermax, Fortron/Sparkle. A 600 Watt generic PSU will be horrible when compared to a 300 watt psu made by the above manufacturer.
But anyways, a good psu will help your overclock stability and your overclock in general.
If you're interested in a comparison between top quality psu's and no-name psu's, check out this pdf document at pc power & cooling's site here [http://www.pcpowerandcooling.com]. They compare the internals of the pcp&c turbo-cool 510 deluxe and a generic psu, but I think the same comparison can go for any top quality psu versus a generic psu.
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