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Airflow options help.

post #1 of 5
Thread Starter 
hey ocn.

so im cleaning out my case any waiting for my new GPU and i want to maybe try a new fan config in my case. i have a Corsair A70 for my cpu cooler that has 2 AP-15's P/P toward the rear of the case with the stock case fan as exhaust. i have the HDD cages so that there is only 1 next to the psu. now the real question.

What fans should i use up top? i can use the default 200mm or i can use 2 Scythe GT's at 1150rpm as exhaust? or intake?
My Pride and Joy
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-860 MSI P55-GD80 XFX 9800GT 512mb Corsair XMS3 8GB DDR3 1600mhz 
Hard DriveHard DriveOptical DriveOS
Hitachi DeskStar 1TB Corsair Nova 64GB HP dvd1270 Windows 7 
MonitorKeyboardPowerCase
22in Samsung Syncmaster Logitech G510 Seasonic 750Watt Gold Edition Corsair 600T 
Mouse
Razer DeathAdder 
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My Pride and Joy
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7-860 MSI P55-GD80 XFX 9800GT 512mb Corsair XMS3 8GB DDR3 1600mhz 
Hard DriveHard DriveOptical DriveOS
Hitachi DeskStar 1TB Corsair Nova 64GB HP dvd1270 Windows 7 
MonitorKeyboardPowerCase
22in Samsung Syncmaster Logitech G510 Seasonic 750Watt Gold Edition Corsair 600T 
Mouse
Razer DeathAdder 
  hide details  
Reply
post #2 of 5
The stock fan should be fine on the top, I have always had better temps when the top fans were intakes. I suggest you try that first.
post #3 of 5
where you put the case matters alot in this choice. if your case is placed in an open area where there is very little chance of hot air recirculation, then you can put the top fan as intake (after you put some filters on them) which will blow down directly onto the A70 to keep it cooler. if your case is in a semi enclosed area(under a desk) where there is a hot air bubble area behind and above the case, then you have to put it as exhaust because you dont want the hot air to go back into the case.
post #4 of 5
My cases usually follow the standard intake from front/side, exhaust through top and rear. Best to keep it balanced of course. Don't want too much pressure either way.
post #5 of 5
Quote:
Originally Posted by ezikiel12 View Post
Best to keep it balanced of course. Don't want too much pressure either way.
pressure is not a bad thing as long as you don't over do it. you don't want the GT's to put out so much pressure that your 200mm fan can't do its job. it doesnt sound like you are doing that by cutting down the typhoons to 1150rpm. overall it should be fairly balanced, as long as you put some filters on the typhoons, if you intend to use them as intake instead of exhaust. remember, your powersupply and gpu are already natural exhaust points. your case also has alot of vent holes cut into the case for exhaust. you want a positive pressure to keep dust coming into the case unfiltered.
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