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Bigger case = less heat? - Page 2

post #11 of 31
Graphic card with two slot HSF which exhausts heat directly would help, 8800GT peaks around 80W at stock.
And you could change exhaust fan, that open frame means air leaks to sides.... and it isn't even good noisewise because of heavy vibration:
http://www.silentpcreview.com/article739-page3.html#ac


Also if that 55C is Tjunction that's perfectly good, thermal throttling limit is 85C in newer revisions of Conroe.
post #12 of 31
Thats why people modded the rocketfish, it a big box with 3 x120mm.I added a total of 9x120mm.Alot of dead space,As much should come in as out.Equal pressure!!
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post #13 of 31
If temps are good with the side panel of, then you don't have enough airflow with it on.
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post #14 of 31
Thread Starter 
Quote:
Originally Posted by billbartuska View Post
If temps are good with the side panel of, then you don't have enough airflow with it on.
Yes, that's pretty much my problem. But I can't figure out what's causing the rubbish airflow.

How many fans do I need? I've tried using 5 120mm fans, which didn't make much of a difference.

Also, does anyone else find that increasing the fan speed on the Tuniq makes no difference?
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post #15 of 31
Quote:
Originally Posted by phillipjos View Post
As much should come in as out.Equal pressure!!
Hello, Earth calling...
Air flows naturally from higher pressure toward lower pressure.


Quote:
Originally Posted by jinja_ninja View Post
Yes, that's pretty much my problem. But I can't figure out what's causing the rubbish airflow.
Lack of enough intake area/high airflow impedance.
Only intake in Sonata is in front of HDD rack.
Edited by EsaT - 6/26/08 at 6:20am
post #16 of 31
I dont think the lower part of the case(gpu pci cards and such) arent getting enough airflow.
    
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post #17 of 31
As they always say, it's not the size, it's how you move it. Then again, it's always the people with "small cases" that say that...
    
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post #18 of 31
Try this, if you have the necessary materials.
I used some foam strips to seal the vertical rail that the front lower fan mounts on. Then I cut strips an inserted them into the oval holes above and below the fan.

That improves the front fans air draw of outside the case fresh air.

I may even add a 120mm to the floor or lower side panel intake next and a 92mm exhaust behind the PS.
I have two Sonata III cases for folding and more air flow would help.
    
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post #19 of 31
This is a "Quote" from another Fourum
Ok quick tips for you.

Air being pushed past a fan actually HEATS it up. If you blow a fan on you - what you're actually feeling is not cold air - but the warmth being blown off of you.

You should have as much air going into a case as out of it - moving in one direction.

Thus my suggestion to you would be :

Have the two front fans blowing air into the case.
Have the two rear fans sucking air out of the case
Have BOTH PSU fans sucking air out of the case

As for the side window - I have mine blowing air into the case as thats how ThermalTake set it up by default.

-BTJ




Dead on correct, and the one on the side is best blowing in since the CPU fan sucks down on most, if you happen to use a low profile server cooler then you may see the fan pulling air away from the cpu(Thermaltake is a good example). Read more here if you want to gain a little understanding:
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post #20 of 31
As phillip as mentioned, you need something very close to equal intake/exhaust. If there is an unbalance of pressure, air will be escaping in all sorts of directions, of which is most likely NOT cooling your system. Right now, you only have one exhaust to keep from two intakes including one push-pull system. That exhaust must be extremely high CFM compared to the intake, or you must create a blowhole/other mod in order to make sure that stagnant air in your case does not reappear.

More fans are not necessarily better. Imagine a 120mm metal tube with a fan on either end, and somehow computer components put in between. Neglecting the ridiculous chokes this would put as the tube is tiny, it would have amazing airflow and low temps. The point is, the air should be moving constantly in one direction. Disturb that pattern, and who knows where all the air will go.
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