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Radiator Push/Pull - Side by Side different directions?

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  • Overclocking
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July 6, 2014 6:03:06 PM

This is not a picture of my rig but it's got the radiator in a similar position to mine so I'm using it as an example.

I was wondering if someone with real factual knowledge, would know, if having the fans on a 360mm radiator configured in push/pull while mounted on the back of the PC, if the fans next to each other were to be blowing opposite directions, would this have any sort of viability?

And, if I might ask for a proof or explanation politely, so that I know it's not just one's opinion, or perceived experience answering.

Is there any benefit or perhaps problems with having them run this way? I've included a picture to illustriate what I was talking about.

Reason I am asking is because the top set of fans is in line with the internal rear exhaust fan from the case....but I'm assuming the air coming from open air on the opposite side of the radiator would have air that is cooler than that of the air that is right behind the case itself.

Another thing to note is that I do have a separate loop push/pulling air exhuasting through the top of the case as well for the CPU loop.

Thank you for your time and consideration in advance.


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a b K Overclocking
July 6, 2014 7:52:48 PM

Cant see how that would be a good idea. If nothing else I would think it would create an awful lot of turbulence next to each intake fan having a bunch of air blown out right next to it like that. I think its best to stick to the old tried and true way of having both fans on one side working in the same direction.
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a b K Overclocking
July 6, 2014 10:59:29 PM

I will not recommend the bottom two fans position (the blue airflow) as it is blowing against the case, which drastically reduces air-flow. Also, putting fans in either a push or a pull configuration will have almost un-noticable differences. Unless you are seriously overclocking both CPU and GPU(s), you do not need a water-cooling solution at all.
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July 7, 2014 6:33:01 AM

You well get a lot of turbulence between the top fans and middle fans with a reduction of air flow.

I have a similar rear mount but I use a Swiftech mount, it spaces the rad back enough that I have good exhaust flow from the case yet good air flow through the rads.
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a c 239 K Overclocking
July 7, 2014 6:37:25 AM

As long as the air is going through the radiators cooling fins I guess it really doesn't matter, I mean the radiator itself doesn't know what's going on.

Ambient is ambient, anyway you twist the air! :) 
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