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Corsair 650D airflow direction

post #1 of 3
Thread Starter 
I just moved from an Antec 300 which was cramped to this case, but I'm slightly concerned about airflow and I have a couple of concerns.

First of all:

The case has all hard drive bays filled stacked in front of the 200mm intake (stacked on each other).

There are 2 GTX 480 that will not be getting air from the front fan, but I did install the Corsair mesh side-panel and it is using a 200mm fan as the intake. The reason for the 200mm fan side intake is to cool the heatpipes and provide fresh air to the video card fans. Also, using 2x 120mm fans would place the airflow onto the power supply and up to the bottom SLI card and would avoid the 480 on top. Using 4 fans would blow air onto the CPU heatsink. My concern with the 2 or 4 high flow 120mm fans was that they would create turbulence and/or prevent smooth airflow to where it's supposed to go.

I also placed a 140mm exhaust on top, with a high flow 120mm exhaust on top, towards the front of the case. The rear port has a high flow 100+ CFM intake fan blowing on to my Noctua. The Noctua only has the middle fan blowing forward in the case.....I would have used both Noctua fans, but I was unable to remove/reverse the latches.

I guess what I want to know is if this seems like a good airflow design. I would rather this case lean towards positive pressure, but my concern is that there will not be enough airflow to the video card. I have not tested it with gaming yet since my mesh side panel only came in yesterday and I'm still finishing up the clean install for my new SSD.

If I could draw a picture, I would, but for those familiar with the Corsair 650D


Rear Fan = 120mm 100+ cfm (Intake)
Top Fans = 140mm (Antec TriCool) + 120mm 100+cfm (Exhaust)
Side Fan = 200mm [Corsair stock] (Intake over video card heatpipes)
Front Fan = 200mm [Corsair stock] (Intake over full hard drive bays)
SandySilver
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SandySilver
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post #2 of 3
The hard drive cages are removable, most people remove one and move the other back towards the PSU to help bring some air in from the front. Some have also put a 120mm fan on top of the remaining hard drive cage to help move air towards the GPU.
With regard to your airflow, and your Noctua blowing forwards, It would be better if all the air in your case is moving in one direction, like a wind tunnel. I would turn it around so its blowing air towards the back, because like you said, you're creating turbulence.


Edited by BiG_LiG - 9/28/12 at 2:27am
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Holly
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post #3 of 3
Thread Starter 
There isn't enough room to put the hard drive cage in that slot- power supply cables get in the way. Re-downloading Steam games so I'll be able to test this out later today or tonight.
SandySilver
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CoolingOSMonitorKeyboard
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SandySilver
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CoolingOSMonitorKeyboard
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