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Antec 900 Good air cooling scheme?

post #1 of 9
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This is my current air flow scheme right now 291cnxj.jpg
The bottom is a floppy driver hole which I thought would be useful for more air flow intake. runs over the components or just goes straight out the two top fans.
So I was wondering what air flow scheme is the best? And what should I use? Thanks


Edit: Picture isn't my actual system.
Aria
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Aria
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post #2 of 9
Are the arrows on the right pointed in the opposite direct? If so that is about as best as you can get.
Intake on the front
Exhaust on the rear/top.
    
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post #3 of 9
Quote:
Originally Posted by windmaster0 View Post
This is my current air flow scheme right now
The bottom is a floppy driver hole which I thought would be useful for more air flow intake. runs over the components or just goes straight out the two top fans.
So I was wondering what air flow scheme is the best? And what should I use? Thanks


Edit: Picture isn't my actual system.
From the research I've done, I found that having more intake than outake is the best setup (you want the open holes to be exhausting air). Don't forget your PSU is an exhaust. I have my antec setup just like yours except the front 2 fans are intakes (set at slightly below medium speed). I also have a 1900 Slip Stream side intake runing at 1600RPM. My top and back exhaust fans are set to low.
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Ol' Betsy
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post #4 of 9
Quote:
Originally Posted by charlie310 View Post
From the research I've done, I found that having more intake than outake is the best setup (you want the open holes to be exhausting air). Don't forget your PSU is an exhaust. I have my antec setup just like yours except the front 2 fans are intakes (set at slightly below medium speed). I also have a 1900 Slip Stream side intake runing at 1600RPM. My top and back exhaust fans are set to low.
It has to do with negative pressure and positive air pressure. Physics prove more out(neg. pressure) take is better no matter what you read. The negative is more dust. Gotta blow it out once in a while.

Think of it this way, how does the heat or air conditioning work in your home. If what you say is true, all the fans would be at the ducts blowing to the furnace. The best way is to calculate the CFM's of your fans and have slightly more blowing out for max air flow. Also, the rear and/or top would be best for exhaust not the front.
Edited by PureOC Jim - 6/7/11 at 12:03am
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post #5 of 9
Quote:
Originally Posted by windmaster0 View Post
This is my current air flow scheme right now
The bottom is a floppy driver hole which I thought would be useful for more air flow intake. runs over the components or just goes straight out the two top fans.
So I was wondering what air flow scheme is the best? And what should I use? Thanks


Edit: Picture isn't my actual system.
Take All the front fans, and set them as an intake - And then let the top and rear exhuast. That should be best, Especially If you mod the side to hold a fan or two.
post #6 of 9



This is an example of negative air pressure and will generally provide the best results. No matter how you put the fans, you will always have to deal with turbulence. One way is to try the fans in different positions and run prime 95 for 20 minutes logging both idle and load temps at the same overclock settings.


One way is to try the fans in different positions and run prime 95 for 20 minutes logging both idle and load temps at the same overclock settings at the same ambient temps.
Edited by PureOC Jim - 6/7/11 at 12:08am
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post #7 of 9
Quote:
Originally Posted by Nvidia-Brownies View Post
Take All the front fans, and set them as an intake - And then let the top and rear exhuast. That should be best, Especially If you mod the side to hold a fan or two.
FYI he doesn't have to mod the side. 900 comes with a pre cut hole for a fan
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post #8 of 9
If I'm seeing this right,I would move the HDD cage to the middle slot on the front,put one fan in the open three slots on the top front and loose the ceiling fan in the top of the case.
That should create two paths of straight flow through...one to feed the CPU and the other for the PS and video card.
post #9 of 9
Quote:
Originally Posted by PureOC Jim View Post
It has to do with negative pressure and positive air pressure. Physics prove more out(neg. pressure) take is better no matter what you read. The negative is more dust. Gotta blow it out once in a while.

Think of it this way, how does the heat or air conditioning work in your home. If what you say is true, all the fans would be at the ducts blowing to the furnace. The best way is to calculate the CFM's of your fans and have slightly more blowing out for max air flow. Also, the rear and/or top would be best for exhaust not the front.
Physics prove what? I've read alot of articles that suggest a slightly positive pressure is generally the optimal air flow for a case.

BTW, I don't see how u can compare home air conditioning to case airflow. Its like saying a house fan is similar to air conditioning. They are two totally different concepts. Air conditioners use compressors and freon and stuff. Case air flow uses fans only.
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Ol' Betsy
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