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Is one exhaust fan enough?

post #1 of 12
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I'm looking at a budget case.
http://www.newegg.com/Product/Product.aspx?Item=N82E16811148056

I notice it only has one rear fan. Is this enough to cool my system?

i5 2500K - not overclocked - stock fan
Radeon HD 6850 - not overclocked
4GB G-Skill 1600 RAM
Windows 7 Home 64bit
WD Caviar Blue 500GB at 7200RPM
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post #2 of 12
You should get that case.

Put two fans on the top to suck the hot air out and it will be good. smile.gif

And have a nice good fan on the front pushing air into the case and it will make a nice air flow smile.gif
post #3 of 12
i have 5 intakes and 1 exhaust and it works fine for me.
    
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post #4 of 12
Probably. There are tons of people using cases with only one exhaust fan. And if you get high temps in the case just add a fan or two. That case has alot of places to put fans.
    
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post #5 of 12
No it isnt, I have 5 intakes and 1 exhaust. The insane pressure that provides KILLS my fan speeds. At 100% some of them only run at ` 1000 rpm or LESS.

If you dont want to lose a LOT of CFM, you need to try to match you exhaust cfm to your intake cfm.
    
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post #6 of 12
The case has 2 120s at the top for addition exhaust fans if necessary.



However you have written "not" before overclocked, i'm le confused.

If the GPU is a blower style, on that system you wouldn't really need any exhaust fans at all.
Edited by andrewmchugh - 7/22/11 at 5:47pm
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post #7 of 12
Quote:
Originally Posted by jeffdamann;14312463 
No it isnt, I have 5 intakes and 1 exhaust. The insane pressure that provides KILLS my fan speeds. At 100% some of them only run at ` 1000 rpm or LESS.

If you dont want to lose a LOT of CFM, you need to try to match you exhaust cfm to your intake cfm.
for me i have a 360 rad up top with some 130cfm fans and a 240 down the bottow with push pull 130cfm fans and it just blows out the back like crazy with a 140cfm 140mm fan.
    
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post #8 of 12
Yeah I mean mine blows crazy too, but lemme give ya a little data on my fan speeds.

All speeds are at 100% power
Cpu Fan- 2756 Rpm
CPU OPT- 2543 Rpm
CHA Fan- 648 RPM
CHA OPT1- 526 RPM
CHA OPT2-846 RPM
CHA OPT3(exhaust)- 3562 RPM

I have 2 floor fans as my case side, so they give retarded amounts of airflow, which is killing my other fan speeds, and making my exhaust fan run WAYYYY too fast.
    
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post #9 of 12
i have a silverstone with 3 fans at the bottom..

only 1 small exhaust.. but theres holes everywhere (as there are in most cases) so the air'll get out, im sure. its mostly about intake imo. (especially if your gfx fan is one of those classic ones that blows air directly out the back)

but thats just my opinion. here in denmark, its never so hot that cooling is an issue.. so i never really cared about that. Only fan noise.. :b
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post #10 of 12
Quote:
Originally Posted by Nioxic;14312560 
i have a silverstone with 3 fans at the bottom..

only 1 small exhaust.. but theres holes everywhere (as there are in most cases) so the air'll get out, im sure. its mostly about intake imo. (especially if your gfx fan is one of those classic ones that blows air directly out the back)

but thats just my opinion. here in denmark, its never so hot that cooling is an issue.. so i never really cared about that. Only fan noise.. :b

The HAF-x has holes all over it, plus I have 3 drive bays on the front empty and open.

Why wont you guys listen to me when I tell you you need to match exhaust and intake cfm? I mean, I know its a hassle, thats why I havent done it, but just look at my fan speeds, im sure you will find something similar(albeit on a smaller scale, because of my high cfm floor fans)
    
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