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Figuring out how much cooling I need.

P

Patyrn

Weaksauce
Joined
Nov 11, 2010
Messages
109
I found this article:

http://hubpages.com/hub/Choosing-a-radiator-for-pc-watercooling

It gives this formula:

((TDP*OCF)/SF)*(VC^2/VID^2) = Overclocked Heatload

So an i5 2500k OC'ed to 4000 on stock voltage would need:

(106*4000)/3300 * (1.21/1.21) = 128.48 watts.

My 560ti says it consumes 170 watts.

Multiply by .8 for approximate heat energy based on total power consumption (as per article) and I get:

238.7 watts of heat energy needing dispersal.

Then I take that, go here:

http://skinneelabs.com/triple-radiator-comparison-v2/4/

Choose a radiator, pick a target RPM, and divide the heat dispersed by 3 to get an approximate per 120mm rad with one fan.

So with the above 2 components to cool, using a radiator of similar quality to the TFC x-changer @ 1400 RPM I would need:

2x120mm rads to target a ~10c delta.

Does this idiot check with people that have actually watercooled?
 
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