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HAF 932 airflow question - Page 2

post #11 of 15
Thread Starter 
finally changed it around to exhaust.. noticed something weird.. oddly enough gpu seems like 5*c colder where as the cpu is 3*c hotter
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post #12 of 15
Quote:
Originally Posted by ShortySmalls View Post
finally changed it around to exhaust.. noticed something weird.. oddly enough gpu seems like 5*c colder where as the cpu is 3*c hotter
First the thing he did mean by air comeing from side, the air will be drag`d inn trough the "rills" on the side also cold air will get suck`d inn from the bottom of your case.

That said, as people do say , exaust should go out of case top, hot air rises that`s yust the law of physics, can`t go around.

On wc systems still the air should be flowing inn from front,side and bottom and can use cd trays aswell, that should be enough, and exaust back and top. That way the hot air from gpu,hdd`s etc get fast out. (guess you know this though)

And you did mention you had it as intake from top, that would yust mess up the airflow totally. True you get cold air inn, but you loose the flow of the air trough the enterly case, that makes hot air goes in circles and heat`s up all components before eventualy gets out, besides air flow is more important than let`s say inntake all fans.

That you get an increase on your cpu could be room temp`s have been changing etc..

btw have you tryed turn the backfan as intake ? Could help, as i did mention it should be exaust but seen many have turn`d that little one and did get a huge difference.
Edited by Ivank - 1/21/11 at 2:12pm
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My system
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Western digital 500+1tb On the way Win 7 64bit home Samsung 22" 2ms wide 
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post #13 of 15
Top and rear = OUT of case.

Front and side panel = INTO case.

Processor Heatsink fan = OUT of case.

I don't have the exact case you have but this is food for thought:

I have a HAF 912 Basic (which is your case little brother so there's some similarities) with 2 CM Megaflow 200mm fans, CM 120mm in the rear and no side panel fan - will explain my scenario.

One 200mm in front blowing air into the case, One 200mm on top blowing out of the case, One CM 120mm fan blowing out of the case and One Processor heatsink fan blowing out of the case towards the rear fan. In my scenario placing a 120mm CM fan on the side panel blowing in actually raises the GPU (video card temps) an average of 2 - 3 degrees celsius verses not having a fan there at all. It's because that side panel fan IS disrupting the front to rear airflow with my setup. And I also notice that the rear fan of this case is not pushing out as much air with the side panel fan because my case rear is pointed towards window vertical blinds and saw the difference or lack of movement. So my case will have no side panel fan.

This was just to explain air movement and in fact your case probably will be better with that side panel fan (should be blowing in) if anything those hard drive rails obstruct the air flow a bit compared to my setup that I'm able to with my HAF 912 turn part of the hard drive rail which is not possible with a HAF 932 as to eliminate air flow "blockage".
post #14 of 15
You can get spare left panels direct from Cooler Master. Cheap too. I would pick up the one with space for the 4 120mm fans and place them as intakes, leave the front as intake, rear out and top out. By going from a window panel to a side panel with just the big 200mm fan, I dropped my rads by 2*C. Good 120's would move even more air than my 110CFM 200mm

Just an idea.
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post #15 of 15
Thread Starter 
Quote:
Originally Posted by RussianJ View Post
You can get spare left panels direct from Cooler Master. Cheap too. I would pick up the one with space for the 4 120mm fans and place them as intakes, leave the front as intake, rear out and top out. By going from a window panel to a side panel with just the big 200mm fan, I dropped my rads by 2*C. Good 120's would move even more air than my 110CFM 200mm

Just an idea.
only reason got the HAF 932 Black is i liked the way to the windowed sidepanel looked.. rest of the case is ugly.. if i was to get that stupid mesh sidepanel from cm i would hate to look at my case every day lol

and i think im gona try and set the rear fan as intake so it will pull fresh cold air into the rad fans right above it.. because as of now the back fan can't really exhaust much because the rad with push/pull is pulling prob like 400 cfm easy
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