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#1
10-01-2009, 03:04 PM
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Point of diminishing return?
Im trying to find out at what point having the highest flowing possible fans produce no better results than lower cfm quieter fans. and if I will be reaching that threshold with my setup.
Loop will consist of a single dual 120 rad and a single quad 120 rad. cooling a cpu,NB and GPU. out of the 8 fans in my illustration. would running 6 220cfm deltas perform any different than standard 55-90cfm fans? http://i12.photobucket.com/albums/a2...dziac/fans.jpg
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#2
10-01-2009, 04:31 PM
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That would depend on the fin density of the rad's being used. The higher density, more fins per inch will require a much higher CFM fan to perform at it's best. By the same tolken a lower density fan, fewer fins per inch, will reach it's max performance with much lower CFM rated fans.
Personally I would opt for the lower density rad's and use lower rated cfm fans. Slience is golden ! 
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#3
10-01-2009, 09:13 PM
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6 220Cfm will give you a lot of cooling, but it depends on your heatload because water can only remove so much heat from the cpu, it won't help even if you push more air through your rads you will notice the noise because water will never go below ambient unless you got some active cooling.
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#4
10-01-2009, 10:12 PM
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got my answer http://www.xtremesystems.org/forums/...d.php?t=220874
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#5
10-02-2009, 11:10 AM
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Wow, great link, lots of useful information.
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