120mm or 140mm fans for my situation?

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Evan7899

Evan7899

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Dec 19, 2014
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I am currently modding my bitfenix neos to improve air flow. I am going to add either 1 or 2 fan bays to the top for some better heat exhaustion. (depending on my clearance issues) What type of fan should I drill holes for 120mm or 140mm and why.
 
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Vosgy
the 140mm will push either more air or push the same amount of air at a lower RPM, so either stronger air flow or same at a quiter noise level, so it's up to you, the 140mm will probably cost a little more though.
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Vosgy

Vosgy

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Nov 24, 2014
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the 140mm will push either more air or push the same amount of air at a lower RPM, so either stronger air flow or same at a quiter noise level, so it's up to you, the 140mm will probably cost a little more though.
 
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Evan7899

Evan7899

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How much more? Because it sounds win--win so far.
 
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Vosgy

Vosgy

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Look up cost from your preferred retailer, you'll also probably find that there is more variety in the 120mm range though, as they are the more commonly used size. For example I can get bitfenix 120mm fans for $9 each and the 140mm are $15, other brands may have better performance and less of a price discrepancy but I'll leave that for you to look into.
 
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Evan7899

Evan7899

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I am looking at some AF140's, they are mixed reviews I see but move a lot of air, they are 20 bucks but seem worth it.
 
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