GTX 660 SLI on this PSU, possible?

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Arlen10

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Jan 9, 2012
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I want to run two GTX 660s in SLI. However my PSU is probably holding me back.

Graphics Card(MSI GTX 660 Twin Frozr III):
http://www.newegg.com/Product/Product.aspx?Item=N82E16814127699
PSU (ULTRA LSP650):
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3276573

When I use a calculator it shows I have enough power, but I have 38 amps. Will this psu hold up another 660?

YM6ziTs.png


Thanks!
 
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Eximo

Eximo

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May 27, 2010
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The two should only be able to pull a max of 300W or 25amps, leaving you some head room. Really would need to know what wattage your CPU is pulling in its overclocked state. Would also need to add up the drives and fans. Theoretically I would say yes, but you will be running in the top range for that supply.
 
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Arlen10

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My max draw seems to be 78 watts on my cpu. Could be more, I ran a burn in test and played a few games.
l3DRiJK.png
 
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