What to look for in fans for a radiator (pull config), and a primary exhaust fan (rear)

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freddy3kid

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May 22, 2012
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I have a Corsair 500r case running with a FX-8350 and an H100i. I am looking to replace the stock fans on the H100i with something quieter, but while still keeping its performance. I would need two 120mm fans running in a pull configuration.

I need a replacement fan for my primary exhaust fan (rear 120mm). I was thinking the
Silverstone AP121, but I am not quite sure what to look for. I need something that can move a lot of air quickly, but still pretty quietly. This is my only exhaust fan since my top fans are pulling in air for my radiator, and my side and front intake are also pulling in air. Also, I may need to take into account that my pump line may be blocking air flow.

Picture of rear fan

Bonus Round:
You guys don't really need to answer these, but if you want to that would be awesome. Since I only have 1 exhaust fan, would you recommend having me replace my 220mm side fan with a few 120mm fans in a push/pull configuration (pulling air out on the top half, and pushing air in on the bottom)? I think this would be more effective since there is space near the top of the mesh on my case.

Picture of side case mesh
If the link isn't working just hit first image on the previous link's page.

Thanks for the help.
 
Solution
Nuclear101
In fans there are two things you need to remember, I will use Corsair Fans as an example:

AF series- Airflow series- They supply more air, but at less "pressure" Use these if you have 2-3 inches of free room (Nothing, no HDD cage, radiators, etc.) and need airflow

SP series- Static Pressure Series- They supply a bit less air, but have a higher "static pressure" which keeps air flowing when the fans aren't pushing air (different fan positions have a tiny impact on the air being forced through). Use these when there is something eg. a Radiator for water cooling or HDD cage.

For your rear fan, I recommend a Corsair AF 120mm if you can afford it. For the front, is there an HDD cage or anything right behind the fan? If so, get the SP120...
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Nuclear101

Nuclear101

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Jun 11, 2012
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In fans there are two things you need to remember, I will use Corsair Fans as an example:

AF series- Airflow series- They supply more air, but at less "pressure" Use these if you have 2-3 inches of free room (Nothing, no HDD cage, radiators, etc.) and need airflow

SP series- Static Pressure Series- They supply a bit less air, but have a higher "static pressure" which keeps air flowing when the fans aren't pushing air (different fan positions have a tiny impact on the air being forced through). Use these when there is something eg. a Radiator for water cooling or HDD cage.

For your rear fan, I recommend a Corsair AF 120mm if you can afford it. For the front, is there an HDD cage or anything right behind the fan? If so, get the SP120, if not, get the AF 120.

Bonus: I recommend larger fans for silence but 2xAF120mm fans beats a single 220mm fan.
 
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freddy3kid

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May 22, 2012
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I looked into the Corsair series fans, but I didn't want to just jump into it. Although Corsair is a reputable brand, I didn't want to jump the gun and regret it later. I don't really have a price range, if I can't afford the fans now I will just get them later. I thought about using the SP series fans for my radiator, and then getting an AF for my rear exhaust, but I wasn't sure if that minimal blockage from the pump would be enough to constitute using a SF series. I think I can mount two 120mm or 140mm on the side of my case, so I always have that option.

Thanks.
 
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