How many case fans do I need?

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sonic_boom81

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Aug 27, 2016
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My PC has one 80mm case fan at the back, and the PSU is at the top of the case and puts air out the back. There's no fan on the front but there's space for either a 80 or 120mm one. The side of the case looks like it would fit a 80mm fan, but the screws dont quite line up, so it would have to be stuck on... The side panel has a funnel thing going in towards the CPU, which also has a fan on it.

I'm getting a GTX 750ti tomorrow, so wondering if I need another fan or two?
 
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mcconkeymike

mcconkeymike

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Dec 31, 2007
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I would definitely throw a fan in the front of your case. I'd go with the 120 if you don't already have something that will fit lying around. I've seen and read that the side fans aren't always such a great idea, I used one for a while and it didn't really do much of anything except make noise.
 
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hdmark

hdmark

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Feb 16, 2015
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why exhaust on the front? id imagine a front intake would be better?
 
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hdmark

hdmark

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ahhh , im more on the positive pressure team. although i doubt he'll create much pressure either way with only the 2 or 3 fans so id imagine having the front as an intake would help create a nice airflow front to back
 
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