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Case fan arangement - help

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jarossamdb7
Posts: 6322 - Karma: -10
I have 2 80mms and 2 120mms:

here is some pics of my case:
http://www.newegg.com/Product/ShowI...se%20-%20Retail
here is a link to a pic of hole for the front fan:
http://www.gen-x-pc.com/images/X-CRUISER-BK-11_500.jpg
It came with 2 80mm Aspire fans and I bought 2 Thermaltake 120mm fans.

I was thinking of putting one of the 80mms on the blowhole blowing air out(no mounts or hole size for 120mm) and one on the side hole in the case window sucking air in. also, should I use the tunnel thing that comes with the case that looks like it is supposed to direct the air at the cpu?

Then, I was thinking I would use one of the 120mm fans in the front sucking air into the case and one in the back blowing air out.

is this good? will using both 120mm fans be that much better then just using one? any other suggestions




I posted this in another forum, and here is the response I got. It doesnt seem to make a whole lot of sense, but I want to know if this guy actually does know what he is talking about:

" Well, i've never worked with that case, but i can pretty much tel you this.

Put (1) 120mm in the rear (blowing out) , (1) 120mm in the front (blowing in) (1) 80mm on the side blowing out - I wouldn't use your fourth one.

Using both 120mm fans as i suggested is only as good as the case design. You basically want cooler outside air brought into your case, to be mixed with the warm air inside, then the rear fan will remove the mixed air out the rear of the case. This mixing is what gives your case good airflow. Good airflow = better heat disipation = better cooling of your components. The 80mm fan will basically be for show. If you set up the (2) 120mms properly, the 80mm won't be needed. This will save you a few db in noise level as well as a few watts.

The round plastic cuppling that comes with that case is really designed for Intel P4's or high-end 64's. That attachment only works well if you have the CPU fan reversed as to blow heat out and away from the cpu, then have another 80mm fan inside that attachment helping remove that heat from the CPU. Other wise, don't use it.

good luck..."


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the next time your about to make a racial slur stop, think about all the delicious foods that come from his or her country and channel your energy towards the purchase of your next international delight.

-guttermouth


Aug 11 2005 9:14AM
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SkiBumDreams
Posts: 560 - Karma: 10
your idea would work just fine the one thing you want to keep in mind is not to have positive or negative air pressure in the case. so basically for every fan that blows in make sure there is one blowing out of the same size. you can also check into the cfm of each fan to see how much air it moves. i have found that blowholes greatly reduce ambient case temperatures because as we all know hot air rises and the blow hole will just suck out any that might rise to the top of the case that might not be caught with the other movement of air in the case

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Gotta Love the Midwest

I have reinvented myself from CmuSkiFreak
Aug 11 2005 1:08PM
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freezed
Posts: 12973 - Karma: 500
yeah the guy that responded to you is right on.

ill be super rich and own mt.hood and let everybody from ns ski for free... except freezed -hoodratz47
Aug 11 2005 3:16PM
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OpIvy
Posts: 741 - Karma: 9
Yeah, that guy in your post sounds right. One thing, you'll find it better to use the 120mm over the 80mm. 120s are quieter and move more air. So use one for input and one for output, then mount an 80 on the side of the case, blowing in, and you should be set. If there is a spot for the second 80 it won't hurt to put it in there.

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I might be an adult, but I'm a minor at heart.
Aug 11 2005 9:58PM
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jarossamdb7
Posts: 6322 - Karma: -10
well the only different thing is that the guy who responded to me didnt say I should have a blowhole fan for some reason.

but also, what he said about the plastic tube for the side fan. he said that that is for higher end processors and what you do is you reverse the cpu fan and you have another fan at the other end of that tube alsp blowing out. i just down know about this.

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the next time your about to make a racial slur stop, think about all the delicious foods that come from his or her country and channel your energy towards the purchase of your next international delight.

-guttermouth


Aug 12 2005 1:08PM
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tuckeredoutfilms
Posts: 665 - Karma: 41
A lot of Dells have that plastic tube... it covers the heatsink on the cpu and goes to an exhaust fan blowing out the back, this is supposes to suck all the hot air your cpu creates out of the computer

Aug 12 2005 5:52PM
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