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Recommended psu for 460

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January 6, 2011 5:15:34 AM

I am building a new comp... my card requires a min 450W, the processor is the i-5 1156 @ 95W, Asus p7p55d-e mobo, ssd, regular hd for storage, yada yada... im thinking 650-750W should cover it but was curious if i could get away with less? and was just looking for some input :)  thank you!

More about : recommended psu 460

a c 85 ) Power supply
January 6, 2011 5:55:23 AM

There is no i5 1156. 1156 is the socket, not the chip. 95W is what matters however. 95W CPU + 50W or so for motherboard/breathing room + 150W for the GPU = 300W total. Any PSU that can output 300W on its 12V rail(s) can be used. This means good 380-450W units, and just about all 500W units. If you want to maybe run two GTX460s later, tack on another 150W.
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a b ) Power supply
January 6, 2011 8:40:45 AM

Good deals to run single card setup.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

The above PSU's would probably run 2 cards but only has 2xpci-e, these would be better for a dual card setup.
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Depends what you want to spend, I'd probably get the XFX anyway at that price.
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a c 121 ) Power supply
January 6, 2011 10:57:48 AM

Best answer to 4745454b. A monster PSU is not needed for that card. The 450W recommendation is an attempt to compensate for the crappy PSU-shaped objects that are still being sold; the Chokemax units that are only good for 60%-80% of what's on their labels. Tom's used a 380W Antec Earthwatts to power a GTX460 in the last $500 SBM build.
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a b ) Power supply
January 6, 2011 11:16:12 AM

Agreed, but options aren't a bad thing. I'm running 2x460's off a OCZ550w and it been fine.
Thing is most of the high powered units aren't much more than the lower ones so you might as well have the extra.
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January 8, 2011 1:07:31 PM

When used heavily or over an extended period of time (1+ years) a PSU will slowly lose some of its initial wattage capacity. So, I think it's good to have some extra power...
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