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Need help balancing case airflow - Page 2

post #11 of 14
Quote:
Originally Posted by Legitimation View Post
Just got out a ruler and using some guesstimating (spell check thinks that a real word?) it appears as though there is 40+mm of room for a fan there so I might end up getting this panaflo for the front of my case.
http://www.sidewindercomputers.com/pa12ulhisp.html

I might end up installing a fan in the bottom of my case after I remove the hdd cage. There appears to be a space for a 120m fan in the bottom of my case but my PSU covers a quarter of said space making it virtually useless.
Also, how did you remove your hdd cage? Mine is riveted in place so I will have to drill out the rivets.
I'm beginning to believe that the fan I put in the bottom of my case adds little but noise.

Removal of the HD cage was easy: it's held in with aluminum rivets. I drilled out the bottom ones, then went in through my 3.5 bay and with side cutters snipped of the tops of the top rivets. It wasn't very hard to do.
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post #12 of 14
@ehume, does the fan you have in the bottom of your case actually do anything?
Also the middle fan (blueish one) does that help at all? (GPU load temps?)

Also another question, i have cut out all the grates on my Antec 300 from the front fans slot, and the back exhaust slot which helped a lot with the noise / airflow.
From what you said here,
Quote:
Personally, I like my NZXT Beta Evo. It's so easy to mod. For instance, I cut out my rear grill and have no fan there. That means pressure can never build up, all the air goes out past my cpu or my gpu, and I don't have any exhaust fans.
That means you don't need a rear exhaust if you have no grill?
    
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post #13 of 14
GTs are the best 25mm fan if you want a combination of airflow and quiet. Sure there are better options for silence, and better fans for airflow, but I love my GTs.
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post #14 of 14
Quote:
Originally Posted by iCrap View Post
@ehume, does the fan you have in the bottom of your case actually do anything?
I don't know. For all I know it might interfere with the front-to-back airflow. I put it in when I still believed in positive case pressure. I'm going to try removing it.
Quote:
Also the middle fan (blueish one) does that help at all? (GPU load temps?)
This particular fan seems to do nothing. When I had a GT in there the chipset temps went down. Mainly I have it to encourage airflow through the HD's. Having my HD's exposed to airflow dropped their temps 7-10c, from 35c to 25-28c.
My gpu never works hard enough to get hot.


Quote:
Also another question, i have cut out all the grates on my Antec 300 from the front fans slot, and the back exhaust slot which helped a lot with the noise / airflow.
From what you said here,

That means you don't need a rear exhaust if you have no grill?
Look above several posts. You can see that I have no exhaust fans. That one on top is an intake (you can see the struts).

Here it is from the top:



No rear fan. You can see how the HD's are mounted. And you can see my upper front intake fan. The slot under the DVD drive is open at the front of the case. The only fans you can't see are the one in front of the HD's and the top intake fan.

Quote:
Originally Posted by allikat View Post
GTs are the best 25mm fan if you want a combination of airflow and quiet. Sure there are better options for silence, and better fans for airflow, but I love my GTs.
I agree with you. Although I made an exception for the upper front intake fan (you can see the LED's from the front) and though I experimented with a 140mm fan in the middle of the case, I generally use only GT's for 120mm case fans.

When my daughter needed a 120mm front intake fan in her case I let her choose from all my fans. She chose an 800 rpm GT AP-12. Good taste: I had to buy another for the front of my own case.
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