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help with redoing case air flow

post #1 of 22
Thread Starter 
I recently bought 3 of these http://www.newegg.com/Product/Produc...82E16835233084 and some new thermal paste because i was getting high temps on my new build. I have a HAF 912 and a hyper N520 cooler.
The stock case fans are set like this

there are spots for 2 fans on the top, 2 front, 1 side door, and 1 rear
what would be the best way to have all my fans configured? any help would be greatly appreciated
The Terminator
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The Terminator
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post #2 of 22
That depends - does your CPU cooler face exhaust back or exhaust up?
Rosemari
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Rosemari
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post #3 of 22
Thread Starter 
it is push pull going out facing the exhaust
The Terminator
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The Terminator
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post #4 of 22
I'd make your top fan an intake to give air to your CPU to use. If it was set as exhaust they'd be fighting eachother.

What kind of temps were you seeing that bothered you?
Rosemari
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Rosemari
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post #5 of 22
Thread Starter 
at stock clocks i was seeing temps in the high 50s during prime95. I wanted to be able to overclock. It is mostly because i think i did a bad job putting on thermal paste the first time and it was the paste that came with the cooler
The Terminator
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Samsung Spinpoint F3 1tb ASUS DRW-24B1ST Windows 7 20" NEC MultiSync LCD2070NX 1600x1200 
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Logitech MX3200 Corsair 650TX CoolerMaster HAF 912 
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The Terminator
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Samsung Spinpoint F3 1tb ASUS DRW-24B1ST Windows 7 20" NEC MultiSync LCD2070NX 1600x1200 
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post #6 of 22
Thread Starter 
i was also wondering if negative or positive pressure in the case helps. Any thoughts?
The Terminator
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The Terminator
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Samsung Spinpoint F3 1tb ASUS DRW-24B1ST Windows 7 20" NEC MultiSync LCD2070NX 1600x1200 
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post #7 of 22
Well, it's up for debate really. In my experience negative case pressure is better. I've gotten better temps with negative. I have tried using the top fan as an intake in my case, and my temps increased. Maybe try both and see which works better for your configuration. My best temps are with (200mm front intake, 120mm bottom intake, 200mm top exhaust, 120mm rear exhaust, removed side 200mm). Try the top as an intake and exhaust and see which yields better results.
H2O Aftermath
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H2O Aftermath
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post #8 of 22
You answered it yourself.

Put new thermal paste on, or get a new CPU cooler, like a D14 or silver arrow.

Heck, even a 212+ is better.

More case fans in a HAF 912 will only bring 2-5C better temps.
post #9 of 22
As said, your cooling is probably not giving the best, as it's a bit small.

I'd set the front (hdd bay) and lateral-bottom (near vga) fans on intake, and the two on the top on exhaust. Cooler would have its fan pulling air from the bottom of the case and seinding it to the top part to be exausted by the two fans. Having a fifth fan pulling in air from the front of the case (first 5.25" slots) might help too.
Xeon
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Xeon
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post #10 of 22
Thread Starter 
Thanks for the help guys, +rep. I will try it out different ways and see which works the best
The Terminator
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CPUMotherboardGraphicsRAM
Phenom II 955 @ 3.4ghz 1.235v ASrock 870 extreme 3 ASUS EAH6850 Corsair XMS3 DDR3 1600 2x2gb 
Hard DriveOptical DriveOSMonitor
Samsung Spinpoint F3 1tb ASUS DRW-24B1ST Windows 7 20" NEC MultiSync LCD2070NX 1600x1200 
KeyboardPowerCase
Logitech MX3200 Corsair 650TX CoolerMaster HAF 912 
  hide details  
Reply
The Terminator
(13 items)
 
  
CPUMotherboardGraphicsRAM
Phenom II 955 @ 3.4ghz 1.235v ASrock 870 extreme 3 ASUS EAH6850 Corsair XMS3 DDR3 1600 2x2gb 
Hard DriveOptical DriveOSMonitor
Samsung Spinpoint F3 1tb ASUS DRW-24B1ST Windows 7 20" NEC MultiSync LCD2070NX 1600x1200 
KeyboardPowerCase
Logitech MX3200 Corsair 650TX CoolerMaster HAF 912 
  hide details  
Reply
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