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Case fan positions

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Last response: in Overclocking
September 13, 2010 11:11:12 AM

How many fans do i need?
Currently i have case 2 fans in my pc, one really old 120mm sucking in (1595 RPM) and one new 80mm sucking out (4530 RPM). the problem is, even after adding the noisy 80mm my CPU isn't much cooler after some BIOS examination. Should i reposition this fan?
I have two 80mm slots, one above the other on the rear of the case, and a 80mm and 110mm on the grill (on top of CPU). can you guys suggest some fan positions? i have probably enough power for 1 or 2 more fans, depending on size. thanks

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a b K Overclocking
September 14, 2010 12:44:34 AM

I'd remove the 80mm and the 110mm fans from the top. Then borrow you rbuddy's dremel and open up the two 80mm exhaust fan holes and mount a 120mm exhaust fan >50CFM pointed to the holes. Take out any PCI slot spacers on the rear panel. Replace the front intake fan with a new(er) 120mm with good air flow, e.g. >50CFM.

You system should have better airflow, and run quieter; the 120mm fans move about 4x the air as 80mm fans and are much less noisy.