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case fans for a dell e521

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Posted 17 July 2015 - 03:42 PM

HI,I was having what i perceive high tempatures in my PC WHEN THE tempature got up to about 90 degrees, but now they are reasonable but i would still like to put a case fan at the back of PC to draw air out of case it appears i need about a 80mm fan as the opening where i can put fan is about 3"x3" my only problem i am having is CFM rating's any ideas would be appreciated thank's.

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#2 SpywareDoc


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Posted 17 July 2015 - 04:44 PM

80mm case fans usually move between 25 to 35 CFM.

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