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What size psu do i need for this build.

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  • Power Supplies
  • Build
  • Components
Last response: in Components
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a b ) Power supply
March 11, 2011 10:44:49 PM

I dont want you to tell me brand what i pick out will be a 80+ silver or gold. I just need to know how many watts i need this build will never be 2 video cards so keep that in mind.

i5-2500k overclclocked to 4.7+ Ghz
p67 mobo
triple radiator
gtx 580
2 hdds 7,200 rpm
fan controller
dvd drive
8 fans.

give me a rought guess.

More about : size psu build

a c 298 ) Power supply
March 11, 2011 10:48:28 PM

If you are going to be OCing the 580 as well i would go for a 650W unit to give yourself some head room. An OC'd 2500K and an OC'd 580 may push a 550W unit too close to its limit especially if the cooling system needs additional power.
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a b ) Power supply
March 11, 2011 10:50:31 PM

I will not be overclocking the 580.
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a b ) Power supply
March 11, 2011 11:26:45 PM

I would get a 750 you might want to add something later down the road.
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a b ) Power supply
March 12, 2011 12:08:31 AM

Does anyone know the quailty of extrem psu on cyberpower?
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a c 298 ) Power supply
March 12, 2011 4:35:02 AM

The XtremeGear units are utter crap, their 700W unit has 38A between its 12V rails, any decent 550W unit has at least that much or more, definitely pay to get a real brand like corsair.
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a c 94 ) Power supply
March 12, 2011 5:58:54 AM

I say anything that can output 500-550W on the 12V rail(s). This comes out to around 42-45A.
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a b ) Power supply
March 28, 2011 3:29:54 AM

Best answer selected by cia24.
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