Enclosed PC setup Airflow issues. Advice Needed.

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yupol

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Apr 6, 2015
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Hi everyone. For about a year now, I've been using my custom built PC and it has worked great! My problem is that my computer gets insanely hot when i game and the is no where the heat can disperse freely into the my room due to the location of my PC. This causes me to sweat like mad, making me feel very uncomfortable during long gaming sessions. My rig is enclosed under my wooden table with a box like structure under my desk to the right of where i sit. The front and the back of the box is completely open, yet PC has little to know room to breath from behind because it is against the wall of my bedroom.

Pictures Below:
http://imgur.com/A9ldJEB

http://imgur.com/CQa4Nqq

http://i.imgur.com/4YdxFcZ.jpg

Also, i have recently discovered that the PC's overall airflow on the inside is pretty horrendous. I only have 4 fans. My CPU fan, my GPU fan, and 2 case fans which are facing the wrong direction (I believe). They were like this in the case when I got it and never thought twice they were possibly positioned wrong.

Here's a Picture of the case fan locations.
https://sta3-nzxtcorporation.netdna-ssl.com/uploads/product_image/image/632/large_5f5fd555b196aeba.jpg

I understand that I should fix the inside PC airflow issues, but will that help stop the heat from being trapped under my desk at all? Any advice on this topic would be very appreciated. I am willing to move my desk around and change my setup configuration if needed. Thank you for taking the time to read this and thank you in advanced! :)
 
Solution
Karadjgne
My pc sits exactly the same, in a lit6tle cubby under the desk. No worries on heat issues. According to pics, your 2 exhaust fans are correct (nice side of fan is intake, ugly side is exhaust), however, I'd not use a rear exhaust fan at all. Take both fans and go top side with then instead. Heat rises, and there's minimal space behind the pc, so help out the airflow. Out the top. 2 fans in front should be fine, that's all I have, and my case is a Fractal design R5, so I've got a door on it too.

One thing you can do is play with the case fan curves, bump up the speeds some. Just remember, its not going to be 70* like the cpu, case temps usually range from 30* to 40* so you'll need to bump up the duty cycle a bit and get some more...
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Karadjgne

Karadjgne

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Dec 26, 2012
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My pc sits exactly the same, in a lit6tle cubby under the desk. No worries on heat issues. According to pics, your 2 exhaust fans are correct (nice side of fan is intake, ugly side is exhaust), however, I'd not use a rear exhaust fan at all. Take both fans and go top side with then instead. Heat rises, and there's minimal space behind the pc, so help out the airflow. Out the top. 2 fans in front should be fine, that's all I have, and my case is a Fractal design R5, so I've got a door on it too.

One thing you can do is play with the case fan curves, bump up the speeds some. Just remember, its not going to be 70* like the cpu, case temps usually range from 30* to 40* so you'll need to bump up the duty cycle a bit and get some more airflow going. You can also block off the back of the desk. You've enough exhaust flow out the back that it'll force the warm exhaust out the front, where its no bother to you. As it is, its also blowing out the back, keeping your toes warm.
 
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yupol

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Apr 6, 2015
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Thanks for the advice man. I'll take it into consideration when purchasing more fans for my rig. I will also look into reverse airflow (Exhaust fan on the front) so I can find a configuration that will suite my PC's location! :)
 
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