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Advice for adding fans

post #1 of 23
Thread Starter 
Hey all

Don't know if this is the correct place to ask, my apologize if it's wrong. It's my first post here

I currently have a problem that my graphics card is running way hotter way with a open case than a closed case.

Temps closed: 75C
Open: 61C

Here's a picture of the current situation



Blue indicates the dust filters and red the airflow direction.
Currently their's a Intake fan in front and exhaust and the rear.

I'm thinking of adding an extra intake on the bottom, beside the PSU or adding a fan in exhaust in top.
Will either option inprove GPU temps?

I'm leaning to the the extra intake, since a postive airflow prevents dust to

Thanks in advance

Edit forgot to mention the GPU is an Asus DC2 GTX780
post #2 of 23
Quote:
Originally Posted by mark96 View Post

Hey all

Don't know if this is the correct place to ask, my apologize if it's wrong. It's my first post here

I currently have a problem that my graphics card is running way hotter way with a open case than a closed case.

Temps closed: 75C
Open: 61C

Here's a picture of the current situation



Blue indicates the dust filters and red the airflow direction.
Currently their's a Intake fan in front and exhaust and the rear.

I'm thinking of adding an extra intake on the bottom, beside the PSU or adding a fan in exhaust in top.
Will either option inprove GPU temps?


I'm leaning to the the extra intake, since a postive airflow prevents dust to

Thanks in advance

Edit forgot to mention the GPU is an Asus DC2 GTX780

How about the side panel. If you can I would install intake fans if you can. Yes, I would install intake fans in the bottom as well.
 
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post #3 of 23
Thread Starter 
I don't have an option for installing fan(s) in the side panel unfortuatly.

I have the option of second fan(12Cm) in the front or a 12Cm fan in the bottem
post #4 of 23
Quote:
Originally Posted by mark96 View Post

I don't have an option for installing fan(s) in the side panel unfortuatly.

I have the option of second fan(12Cm) in the front or a 12Cm fan in the bottem

then yes, i would definitely install a second intake fan in the front and in the bottom. If watercooling is not an option for you and you are still getting high temps after installing these fans your talking about. You might consider getting arctic extreme cooler for you GPU.
 
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post #5 of 23
Thread Starter 
If the temps drop below 70C i'm happy, that's ok for a gtx780 i take. It's just the difference compared to sidepanel off. The whole case feels hot after an hour gaming. Will order some fans then, thanks. Might also redo the thermal paste on the gpu.

Edit
And also remove the unneccasry HDD cages
post #6 of 23
Quote:
Originally Posted by mark96 View Post

If the temps drop below 70C i'm happy, that's ok for a gtx780 i take. It's just the difference compared to sidepanel off. The whole case feels hot after an hour gaming. Will order some fans then, thanks. Might also redo the thermal paste on the gpu.

Edit
And also remove the unneccasry HDD cages

Good Luck.
 
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post #7 of 23
2x front intake
1x bottom intake
Remove all unused PCI slot covers in the back.

You might find the link in my sig helpful.
post #8 of 23

Cut out the reasr grill. Then try your machine with no fan in the back. Remove all usused backplane slot covers, as doyll noted. Go ahead and put in the extra intake fans. In fact, you can use the former exhaust fan this way.

 

Bottom line is that you don't have enough exit for the air going in. Make more.

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post #9 of 23
Thread Starter 
Ah so i should get some pressure optimized fans
I'm gettings these: Noctua NF-F12

Probally going with 4 of them, also replacing the current front fan.
So then i have
2x front intake
1x bottom intake
1x rear exhaust

@Ehume
I will also remove the rubbers beneath the exhaust fan.
Whats the difference between no exhaust fan with no grill or a exhaust fan if i may ask?

Edit2:
Is it also and idea to place the graphics card(main power user, 250w) in a lower PCIe slot?
Edited by mark96 - 3/11/14 at 7:07pm
post #10 of 23
Removing the grill increases airflow by 16% or more depending on grille.
http://www.silverstonetek.com/techtalk_cont.php?area=en&tid=wh_chessis

Even if you don't remove the rear grill try moving the rear exhaust fan as intake.
1x bottom intake
2x front intake
1x front top intake (cool air from top to CPU cooler)

I don't know if moving GPU down will help or not. Try different setups to see which one gives the best cooling.

NF-F12 are very good but not cheap. Using PWM fans and PWM splitter with PSU power and CPU / GPU PWM fan header / headers for PWM control will keep system quiet except when under heavy load.
Edited by doyll - 3/12/14 at 3:57am
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