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Power supply needs

Last response: in Overclocking
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hi all! i'm building a gaming pc soon and wanted to know how much wattage i need for mild to moderate overclocking. i'm going with a slightly overclocked xfx 7870 ghz edition, intel core-i5 3570k, z77 motherboard and will be running an cooler master hyper 212+ cpu cooler. is 550w enough for my needs, or should i only get 600 and above? any input helps!

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i'm looking at this:
Ultra Limited Edition 600W Power Supply, is ultra a decent brand? it's not 80+ rated but it does have a lifetime warrenty, after promo code and rebate it's $14.99 on tigerdirect.com worth it?

well, ive never heard of it, maybe its a tiger direct house brand, i dont order from them. and i would never trust a power supply $15 power supply. it will most likely blow out, and take some system parts with it.

the antec unit mentioned earlier is a great deal and will last you through future builds.

daswilhelm said:
well, ive never heard of it, maybe its a tiger direct house brand, i dont order from them. and i would never trust a power supply $15 power supply. it will most likely blow out, and take some system parts with it.

the antec unit mentioned earlier is a great deal and will last you through future builds.

ok that's kinda what i figured but hey, wishful thinking right! i'm still tempted on the rosewill 630w earthwatts...........
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