What is a good Air flow Fan and Static Fan?

Pitchblease

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May 11, 2015
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I have Obsidian 450D Case , and i am wondering what fan should i use in the front (2 fans) and 1 in the back (Exhaust)

I really need a quiet Fan and give good breeze
 
Solution
for the front, check out the corsair SP120 quiet edition, for the back look at the AF120 quiet, you may want to look into a fan controller or buy the PWM versions of the fans

yatys93

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Jun 3, 2014
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for the front, check out the corsair SP120 quiet edition, for the back look at the AF120 quiet, you may want to look into a fan controller or buy the PWM versions of the fans
 
Solution
I agree. I use Corsair Quiet AFs for exhaust, and Quiet SPs for intake, two in and one out for quiet, effective cooling and airflow.

However, that case comes with a pair of AF140s in the front and an AF 120 for exhaust. Are you looking at adding more fans or is there some other issue?
 

Pitchblease

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The Back fan is really loud when its maximum and i thought about changing Fan because i thought its loud but when i listen carefully its my Harddrive that is loud , and Should i put 1 AF on the front and 1 SP ?
 

yatys93

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SP are high pressure areas like the HDD cage at the front of most case, AF are low pressure for more open areas, SP in front AF in the back will give the best cooling :)
 
What do you have in the case, and why is the rear fan at maximum? I use AF and SP Quiets.

SP and AF use depends on how you configure your case, for a negative pressure case, AFs are good all round, for a positive pressure case, I use SPs for intake and AF for exhaust, although I would add an extra AF intake to help GPU cooling.