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Fan positioning

Last response: in Components
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April 16, 2012 12:33:23 PM

My case is a bitfenix merc pro:

http://www.bitfenix.com/global/en/products/chassis/merc...

So, atm i have a 120mm fan at the rear top thats taking air out.

Where else should i install fans for the best cooling ?
Should i put 2 on the side as intake so it would blow on gpu and cpu
And 2 on the front as intake aswell
And 1 on the bottom taking air out ?

Or whats the best optimal solution for placing fans ?

More about : fan positioning

a b ) Power supply
April 16, 2012 12:48:39 PM

i would suggest one or two on the front and one or two at the top
hot air rises up
a c 139 ) Power supply
April 16, 2012 12:59:52 PM

Hello cheti;

I like alvine's suggestion.

Intake down low - exhaust up high.
Related resources
April 16, 2012 1:21:26 PM

i dont have top mountin fan possibility, i can have:
2 at side, 2 at front, 1 at bottom, 1 at rear
a c 139 ) Power supply
April 16, 2012 1:28:46 PM

Whoops. I think we thought you did.


You don't need fans at every fan position. What are you cooling?
I'd add one front fan down low and test your system temps. That might be all you need.
April 16, 2012 1:36:41 PM

amd fx8120 and gtx560 OC
a c 139 ) Power supply
April 16, 2012 1:50:34 PM

I'd say get 1 fan for the lower front position and do some testing.
Let the system temps guide you on getting an extra fan.
April 16, 2012 1:57:36 PM

i only have 1 outtake atm, should i just put 2 on the side ? my gpu gets 60C when playing bf3 and my cpu gets 50
a c 139 ) Power supply
April 16, 2012 2:05:37 PM

Hello cheti;

Nothing wrong with those temps at all! They're actually good.
Try the adding 1 fan first and measure again.
April 16, 2012 2:08:15 PM

1 fan at the front then ?
a c 139 ) Power supply
April 16, 2012 2:10:29 PM

Yes. That's my suggestion. Nice smooth flow in and out.

Although you can test with on the side and in the front.
If you can notice an overall difference in temps - go with the one that's lowest.
April 16, 2012 2:11:52 PM

alright, what CPU cooler would you suggest for amd fx8120 when i want to OC it ?
a c 139 ) Power supply
April 16, 2012 2:16:06 PM

You have a favorite online store?
I'll look at your case again and see what will fit.
April 16, 2012 2:17:44 PM

http://arvutikeskus.ee is the only store i can get stuff from in estonia.
If you have google chrome or can speak estonian/finnish/russian, then check it out
a c 158 ) Power supply
April 16, 2012 4:32:42 PM

Great article on fan placement and the effect on cooling: http://www.bit-tech.net/hardware/2012/02/10/the-big-coo...

With 2 fans, I would place one on the side as intake (directly over the GPU) and one at the rear as an exhaust. 3 fans: add one on the bottom as intake. 4 fans: add one in the front as an intake.

2-3 fans should be able to provide sufficient cooling without becoming overly loud...as long as you're using good quality fans with good CFM at lower fan speeds.
!