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Will another intake fan make a difference?

post #1 of 8
Thread Starter 
Right now my case fan setup is as follows...

1 Intake at the bottom front 140mm 1000rpm
1 intake at the front of the top 140mm 1000rpm
1 exhaust at the back of the top 140mm 1000rpm
1 exhaust at the rear of case 120mm 1500rpm

Untitled.jpg

I have a $50 newegg gift card to spend and I don't have any money to put with it atm. I am looking at this front intake fan mount + fan

My question is this....I could run it in line with my mugen 2, or in line with my 570. Would either of these make a big enough difference to justify the extra fan? I plan on replacing the fan that comes with the kit with a more powerful fan if I decide to make the purchase.

Right now my cpu at load at 4.2 is running in the mid to high 40's, in prime it hits 54*C at max. My 570 at the overclocks in sig runs at 75*C max (when running at 100% usage for a couple hours, or around 65-70 when under a normal load of most games for a couple hours.

My temps are good right now, but I want to be prepared for summer when temps jump about 15*C from where they are right now in my room.

Is it worth it to add the fan to either of the positions? If so, what fan do you suggest I buy to replace the stock fan?

If not, what should I spend $50 on at newegg that will help my performance in some way....
Edited by CRosko42 - 12/28/10 at 7:04pm
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post #2 of 8
yes, it will make a difference if you are air cooling it may not be a significant differences, but anything to help get the inside of your case as cool as possible will help.
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post #3 of 8
Thread Starter 
added basic diagram of my case airflow
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post #4 of 8
It seems that the way your case cooling is setup, there could be some upper intake air exhausting prematurely at the top.

What I would do is reverse your top fan to exhaust, and install two more intake fans in your drive bay area as you have suggested for install locations.
post #5 of 8
I would add another intake fan in front and change the direction of the top fan to exhaust (both of them should be exhausting).

Edit: dang it.. too slow. Matt beat me to it. lol
Quote:
Originally Posted by CRosko42;11811574 
Problem is I can only fit 1 even if I remove my dvd burner....they take up 3 bays each. I only have 5 usable bays up front.

Just add that one fan then. It'll help with the airflow.
Edited by reaper~ - 12/28/10 at 7:20pm
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by Mattb2e;11811544 
It seems that the way your case cooling is setup, there could be some upper intake air exhausting prematurely at the top.

What I would do is reverse your top fan to exhaust, and install two more intake fans in your drive bay area as you have suggested for install locations.

Problem is I can only fit 1 even if I remove my dvd burner....they take up 3 bays each. I only have 5 usable bays up front.
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post #7 of 8
Quote:
Originally Posted by reaper~;11811553 
I would add another intake fan in front and change the direction of the top fan to exhaust (both of them should be exhausting).


Edit: dang it.. too slow. Matt beat me to it. lol

Haha, biggrin.gif
post #8 of 8
Quote:
Originally Posted by CRosko42;11811299 
Right now my case fan setup is as follows...

1 Intake at the bottom front 140mm 1000rpm
1 intake at the front of the top 140mm 1000rpm
1 exhaust at the back of the top 140mm 1000rpm
1 exhaust at the rear of case 120mm 1500rpm

Untitled.jpg

I have a $50 newegg gift card to spend and I don't have any money to put with it atm. I am looking at this front intake fan mount + fan

My question is this....I could run it in line with my mugen 2, or in line with my 570. Would either of these make a big enough difference to justify the extra fan? I plan on replacing the fan that comes with the kit with a more powerful fan if I decide to make the purchase.

Right now my cpu at load at 4.2 is running in the mid to high 40's, in prime it hits 54*C at max. My 570 at the overclocks in sig runs at 75*C max (when running at 100% usage for a couple hours, or around 65-70 when under a normal load of most games for a couple hours.

My temps are good right now, but I want to be prepared for summer when temps jump about 15*C from where they are right now in my room.

Is it worth it to add the fan to either of the positions? If so, what fan do you suggest I buy to replace the stock fan?

If not, what should I spend $50 on at newegg that will help my performance in some way....

Yes. Buy that extra front intake.

Keep your front top intake.

Remove your rear top exhaust. Cover the space. Right now you are stealing intake air with that exhaust fan.

Remove your rear exhaust fan. Consider using it for an intake in your Lian Li front intake unit.

Cut out the rear grill. That grill really blocks airflow.

When you are done, the Mugen 2's pull fan will exhaust your case for you (see item 2. in my sig to see how effective this can be). Your top and front intake fans will really feed lots of cool air through your heatsink.

Enjoy.
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