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2x 120mm or 1x 200mm fan?

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July 23, 2011 3:01:08 AM

Hello,

I have a CM HAF 912 case, and I only have 1x 120mm fan in the front of my case.

I have an i3 2100, 4gb ram, and an ATI HD 6870.

Can someone tell me which option is better in terms of airflow?

Option 1:

-Front: 2x 120mm Scythe Ultra Kaze (3k rpm, 140 cfm)
-Top: 2x 120mm Scythe Ultra Kaze
-Rear: 1x 120mm Scythe Ultra Kaze
-Side: 1x 120mm CM fan that came with my case

Option 2:
-Front: 1x 200mm CM Megaflow (700 rpm, 110 cfm)
-Top: 1x 200mm CM Megaflow
-Rear: 1x 120mm Scythe Ultra Kaze
-Side: 1x 120mm CM fan that came with my case

Which option would you take? The price comes out to be almost even. My friend said he will give me his old 4-fan controller, which will be useful since I can just set one fan to 50% or 75% on the mobo.

Also.. do 2 scythe 120mm ultra kaze move more air than a 200mm megaflow?

Thanks!

More about : 120mm 200mm fan

a b B Homebuilt system
July 23, 2011 3:30:42 AM

i honestly wouldnt take either option because they both sound loud and expensive. if i was going for the novelty factor, i would definitely get 6x scythe ultra kaze. if what you want is a cool, cost effective system, id first consider an aftermarket cpu cooler like the hyper 212+ and possibly an additional 120mm in the top rear and front.
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a c 84 B Homebuilt system
July 23, 2011 3:40:16 AM

I think I would do neither.

How are your temperatures with the stock fans?
The 2100 is not a particularly hot chip.

Normally, two normal 1000-1200 rpm 120mm intake fans will provide sufficient cooling.

Higher rpm fans will be noisy.
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