Help with Airflow?

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Haibrands

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Dec 30, 2014
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Hello, I currently have the Corsair 330R and I plan on sticking with the Corsair hype and replacing the two stocks fans, and putting 5 Corsair AF140 Quiet Editions, for better performance and solid silence. Also, this case can take both 140 mm and 120 mm??
Anyone else with this case, is the front stock fan easy to replace?
And then, how should I orient all my fans? Which ones for intake, and which ones for exhaust. I will also get a Noctua NH-D14 as my CPU Cooler so which way should those fans point as well?
 
Solution
20salmon
I think your best bet is to buy a dual pack of 140mm fans, and a single 120mm fan. Like we discussed, 2 in the front is unneccessary, and the HDD bay might partially obstruct the air from one of them (assuming you can even have the HDD bay and the fan installed at the same time, you might have to choose one or the other).

I would avoid having one intake and one exhaust next to eachotehr on the top because they will just circulate the same air over and over so it won't actually get any cooler.

2x140mm intake and 1x120mm exhaust is great, you always want to have more intake than exhaust because this creates whats called positive air pressure which means that air will be coming out of all the ventilated spots on the case, which prevents...
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This would be best for you, front, bottom, and side fans for in take, rear and top for out take for a proper air flow. As for the CPU cooler, I'm not sure, I use liquid cooling now, so someone else will have to answer that.
 
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You can have 2x 140mm in the top, 2x 140mm in the front and 1 120mm in the back.

The optimal setup for you is probably to have a 120mm as exhaust in the back, and having the NH-D14 fans blowing towards the back so the hot air from the CPU exits the case. Then use a single 140mm intake in the top on the slot that is furthest towards the front so this blows cold air into the CPU cooler, and one or two 140mm in the front as inntake.
 
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Oh okay, so salmon. You're saying two front 140 mm as intake. Top furthest front fan as 140 intake. Noctua fans both pointing toward back for exhaust. Back 120 mm fan as exhaust. Are you sure the back fan does not fit 140 mm or is that just what you recommend? What about the top furthest back fan?
 
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The back fan does not support 140mm, so it needs to be a 120mm. You don't really need 2x 140mm in the front, one should be enough but get two if you are feeling feisty.

I would leave the second top fan (the one closest to the back) empty so it doesn't suck in hot air coming out of the exhaust (heat rises).
 
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Ah that's very true.. Thanks a bunch for your insight :). So, to my understanding, one or two 140 mm in the front as intake (two is unnecessary), one 140 mm closest to the front as intake, one 120 mm in the back as exhaust, and point my noctua fans towards the exhaust.
So it'd be 3 intake with only 1 exhaust. Is that alright?
 
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If you want to save a bit of money and is not going to do anything extremely demanding with your PC til it gets really hot, then 1 of each will do fine. But for me, I like to use all the fan options available since I do some extreme graphics in gaming, but that's just me, I like to have the maximum cooling when I am able to instead of install more later. So I like to have more than "just enough" for my systems or fans.
 
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Alright I will get two intakes in the front, and an exhaust in the back. Do you think I should really do two exhausts on the top, will there be enough intake? Or should I do one intake one exhaust on the top? Or both intake maybe? The sad thing is I don't have a bottom fan space for intake or this would be easier..
 
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I like to have more on in take and less on out take since I'd like to draw more cold air into my case than pull more hot air out of my case, but I'd use at least 2 fans as exhaust, but in your case, I'm not sure if you need 2 fans to exhaust, so I'd do front and top in take and rear out take since you don't have that many fan options, so you don't exactly need more fans for exhaust all those air, but that's just my opinion.

Edit: Actually for me my top fans are out take, so I don't know why I said in take, lol, I've never suggested in take for top before, I guess this is my first :) probably because we have different cases and different air flow. You could try the top fan that's closest to the rear fan for exhaust while the other top one for in take, but I've never tried it before, seems weird, to me anyways.
 
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Haha it does seem weird.. Yah so I'll do front intake, back exhaust, and either both top exhaust or farthest back exhaust and farthest front intake. I think doing one of each for the top would be best.. But it just seems weird lol..
 
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I think your best bet is to buy a dual pack of 140mm fans, and a single 120mm fan. Like we discussed, 2 in the front is unneccessary, and the HDD bay might partially obstruct the air from one of them (assuming you can even have the HDD bay and the fan installed at the same time, you might have to choose one or the other).

I would avoid having one intake and one exhaust next to eachotehr on the top because they will just circulate the same air over and over so it won't actually get any cooler.

2x140mm intake and 1x120mm exhaust is great, you always want to have more intake than exhaust because this creates whats called positive air pressure which means that air will be coming out of all the ventilated spots on the case, which prevents dust buildup and makes it nice and chilly.
 
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Solution


Yeah exactly. In your situation it's beneficial to have the top as intake because it shoots cold air right onto the CPU cooler.

I'm unsure about whether it's possible to have the noctua cooler blowing hot air towards the top of the case. I kinda doubt it.
 
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