Airflow Question! 2 Closed looped coolers, Bitfenix Colossus

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Scoregie

Scoregie

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Nov 27, 2010
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Hi Guys I have a airflow problem,

So I'll start of with system specs:
CPU: Intel Xeon E3-1240v3
Motherboard: Gigabyte H87N-WiFi
RAM: Kingston HyperX Fury 16GB(8x2) 1600mhz
Graphics Card: Gainwood GTX760 2GB
Case: Bitfenix Colossus - ITX
Power Supply: Antec HCG 520Watt

Cooling system:
CPU: Coolermaster Seidon 120V
http://www.coolermaster.com/cooling/seidon/seidon-120v/
Graphics Card: I've put on a Arctic Accelero Hybrid on the GTX 760
http://www.arctic.ac/worldwide_en/accelero-hybrid.htm
Case: Bitfenix Colossus - ITX
http://www.bitfenix.com/global/en/products/chassis/colossus-mini-itx/

So I've pulled out the 5.25" and the 3.5" Bays

Put the graphics card RAD on the front of the case the CPU RAD on the back

http://1drv.ms/1AkCQUn

http://1drv.ms/1AkCMnu

You can see in the pictures there!
How I've got it setup the Fans on the radiators blow the hot air into the case and the top fans pulling the hot air out.

The problem I have is doing stress tests (Prime95) the CPU is hitting 80-85*c and doing Furmark the GPU hit's about 55* and slowly rises to almost 70*c
I'm sure I've seated the coolers correctly. Just want some opinions on the airflow setup I have and if any of you some ideas.

I'm also planning to replace all the fans with these: https://www.pccasegear.com/index.php?main_page=product_info&products_id=28505

Also Silence is a goal here as well
 
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Rammy

Rammy

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The graphics card is fine - hitting 70 is pretty normal, though I can understand why you might be disappointed if you've spent a significant amount on extra cooling - it's similar to a good card with a stock cooler.

The CPU however is a bit worrying. I'd definitely flip it over so it's not pushing the hot air back into the case - if nothing else it's worth a try.

If I'd been trying something similar I'd probably have investigated the possibility of putting both rads on the top/back as exhausts so I could have a decent intake on the front panel. You aren't helped particularly by the "solid" nature of the case - great for your noise levels but pretty hopeless for temps.
 
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Scoregie

Scoregie

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Hmm I'm not to worried about the gpu 2 much, More bought it because I had some cash lying around.

Regarding flipping the cpu rad around i think i'll give that a go. Also put the gpu rad at the top spot closest to the back. Doing this however I'll need some way to get cold air into the case.
Putting this at the front would probably do the job. http://www.pccasegear.com/index.php?main_page=product_info&cPath=9_601&products_id=19235

Opinion on that setup if you wouldn't mind? :D
 
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Rammy

Rammy

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Despite the name, 230 and 200mm fans are more or less the same size.
In the Bitfenix fans the 230mm is deeper than the 200mm rather than being significantly bigger, which is how it pushes more air (angle of attack).
What I'm getting at is that if you assume 200 and 230mm fans are more or less the same size you get more options (not just from Bitfenix) in fans.

The idea is definitely better overall. I'm not 100% sure where the vents are on a a Colossus. On a Prodigy you can stick any fan on the front (140/200/230mm) and it'll give really good airflow but if there are no vents to supply it then performance will be diminished.
I personally run a large fan on the front of my Prodigy and at full speed the airflow is insane - a single fan blows over most of the components directly. The issue you might have is that these larger fans are very noisy unless you have some form of fan control (motherboard or otherwise).
 
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Scoregie

Scoregie

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Hmm good point. Unfortunately I've already bought the bitfenix. The only choices I had was from that particular and shop, Previously I've had good experience with bitfenix fans.

I also got my CPU temps down by 10*C by undervolting the CPU so that has solved the problem a bit. Might even do a push pull config for the CPU rad on that case.
 
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