Side panel case fans air direction

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josesuniaga03

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Apr 14, 2015
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first of all
( - sorry for my bad english, it isnt my main language -)

So i bought 2 80mm case fans, and i put them in following order:
the first one in the side panel (CPU position(i have an fx8320 with stock cooler)) and the other in the back of the case.
so both of them are exhausting air from the case, and i have read a lot of threads recommending people to put their side panel fans in intake in order to cool the components but i made my tests

(CPU TEMP and HWMONITOR used for the test)

SIDE PANEL FAN EXAHUST - BACK PANEL EXHAUST TEMPS
*ROOM TEMPERATURE (18 DEGREES CELSIUS)
IDLE 25-26 DEGREES CELSIUS
GAMING 38 TO 54/60 DEGREES CELSIUS

also when ROOM TEMPERATURE is at 25-30 DEGREES CELSIUS
IDLE 27-30 DEGREES CELSIUS
GAMING 38 TO 60/61 DEGREES CELSIUS


SIDE PANEL FAN INTAKE - BACK PANEL EXAHUST TEMPS
*ROOM TEMPERATURE (18 DEGREES CELSIUS)
IDLE 30-31 DEGREES CELSIUS
GAMING 40 TO 58/61 DEGREES CELSIUS

also when ROOM TEMPERATURE is at 25-30 DEGREES CELSIUS
IDLE 31-33 DEGREES CELSIUS
GAMING 44 TO 61/63 DEGREES CELSIUS


i made this tests looking for a clear answer, becouse im very confused, i wanted to make the things cooler in my CPU but i cannot afford a Hyper212 Evo. (I live in venezuela and the economy is so broken down there)

i was thinking replacing my back panel cooler by a 120mm cooler and put an 80mm cooler in the VGA side panel spot


NOTE!!: My PC Case is a generic one, it looks like this one and it was the best one i found for the budget

Amazon link for Generic PC Case

it doesnt have a front cooler space, it doesnt have a top case cooling space
how i can improve my fan coolers location to reach better system temps with just playing with the air flow in the case. I need your help, i want to keep my 8320 cool so i can expand his lifetime.

Cheers
José from Venezuela!


 
Solution
SinxarKnights
Does your PSU have a fan on it?

I see what you mean about the "CPU Position" fan. I thought this was for VGA cooling as most recent cases has the PSU on the bottom.

Personally I would put the side panel fan as intake. Rear panel fan as exhaust. With the help of your PSU built-in fan it should also pull in air passively from the lower vent to help cool your graphics card.

I am not sure a 120mm fan as rear exhaust will help much. The rear exhaust appears to have very small openings that will greatly restrict airflow.

Something like this would have been far superior as a budget case: http://www.amazon.com/Antec-One-Computer-Case/dp/B006TVQU6C/ but I don't know if you have access to this online or if you have to buy locally. The price...
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SinxarKnights

SinxarKnights

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Jan 3, 2007
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The side panel intake fan is normally used to cool the graphics card better. My best guess is that by having the side panel as an exhaust it might be keeping the hot air from the graphics card away from the CPU. In the normal config, it is blowing the hot air across the CPU to the exit.

I recommend using the side panel as an intake fan as your case does not have any openings to pull in fresh air. Those temps for your CPU are well within nominal values and nothing to fret over. The issue will become how hot are the other components getting from lack of airflow.
 
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josesuniaga03

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Apr 14, 2015
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Hello sinxarknights, thank you for reading my thread.
You suggest me to put side CPU fan cooler to intake and add an 80mm cpu intake fan to the VGA? im thinking on buying a rear 120mm fan to increase my air flow to the case. What do you think?

Cheers,
José
 
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SinxarKnights

SinxarKnights

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Jan 3, 2007
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Does your PSU have a fan on it?

I see what you mean about the "CPU Position" fan. I thought this was for VGA cooling as most recent cases has the PSU on the bottom.

Personally I would put the side panel fan as intake. Rear panel fan as exhaust. With the help of your PSU built-in fan it should also pull in air passively from the lower vent to help cool your graphics card.

I am not sure a 120mm fan as rear exhaust will help much. The rear exhaust appears to have very small openings that will greatly restrict airflow.

Something like this would have been far superior as a budget case: http://www.amazon.com/Antec-One-Computer-Case/dp/B006TVQU6C/ but I don't know if you have access to this online or if you have to buy locally. The price on this case has went up a lot. It used to be about $30 new. I use an old Antec 300 that was purchased for $40 new.
 
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