AF or SP fans? SP120 Quiet vs 140 Performance difference.

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PlayFriik

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Jul 24, 2015
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Hello.
I am planning to buy Fractal Design Define R5 computer case, but I am unsure what fans would be for best airflow and case pressure.

I read from somewhere that Corsair SP fans are recommended for intake on Define R5 case, but I am not sure about that.

Also - what would be better for lower temps:
Corsair SP140 Quiet Edition
... or ...
Corsair SP120 Performance Edition

Thanks.
 
Solution
badboyrog2
like you can see here
http://www.overclock.net/image/id/6141302

the corsair are the best

about 140mm or 120mm ...logically a 140mm should have more air flow rate then 120mm , but for the noise it depend on the blade design and where you will put your fan and which case you use... a lot of factor here.

i suggest you the sp 120 for the front of the case and the af120 for all other place

actually thats the setup i have on my pc and i can not hear really the fans running so...

sometimes a 140mm is to big to put in front because that interfere with the structure behind it
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In general, a 140mm fan will move more air and be quieter. That would be my favored fan.

The case will come with two 140mm fans, and I would use them for starters.
I would relocate the supplied rear 140mm fan to the front as an intake.
That will create a positive pressure airflow that will keep your case cleaner. All intake will be filtered.
If you want, a 120mm fan could be added as exhaust to direct the airflow out the back.
Too much exhaust will draw in unfiltered air from all over.
Two 140mm fans as intake should be sufficient for any single gpu situation.

At least try out the stock fans first; it is not hard to add one later.

What will go inside that needs to be cooled?
 
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AF for exhaust and intake if there are no restrictions to airflow. Also you might want to get a positive air pressure in the case, this means getting one more intake fan compared to exhaust fans. This means that air will be blown out of the small nooks etc. which forces the air to get into the case through filters which means less dust.
 
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Thanks for replies!
So the SP fan(s) for Define R5 wasn't good recommendation?
Somebody said that SP would be good for Define R5 intake, because there is foam infront to make the case quieter (and blocks airflow..?).
 
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The front intake area on the R5 has an obstructed intake and a dust filter to pull air through, which is where higher-pressure would help (SPs). The exhaust is unobstructed, to the high airflow low pressure AF's would be fine. Personally, I'd just use Fractal Design's fans - they're cheap, and more than good enough.
 
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Alright, makes sense, but what about the buttom filtered intake? Would that need SP type of fan also..?
 
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like you can see here
http://www.overclock.net/image/id/6141302

the corsair are the best

about 140mm or 120mm ...logically a 140mm should have more air flow rate then 120mm , but for the noise it depend on the blade design and where you will put your fan and which case you use... a lot of factor here.

i suggest you the sp 120 for the front of the case and the af120 for all other place

actually thats the setup i have on my pc and i can not hear really the fans running so...

sometimes a 140mm is to big to put in front because that interfere with the structure behind it
 
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Solution


Do you have Define R5 case?
 
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Alright, I think I will go 2x Corsair SP120 High Performance fans for intake & 2x Corsair AF120 High Performance fans for one intake and one exhaust.
 
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Okay, but would AF series fan be okay for the bottom intake through the filter?
 
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Alright, I just thought that the ground would be a obstacle.
 
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Nope - whilst it has a mesh, unlike the front intakes, it's not really obstructed in front of (grilled intake) or behind (HDD cage) the fan, thus the extra static pressure is not needed. Yes, you'll have the ground near it, but it's an open space/gap and can pull air from either side.


That just indicates noise output ...nothing about static pressure, air throughput, cooling effect, etc.


Unless it's a "slim" design, fans are a standardised depth, so it should only really matter if you're trying to put a water-cooling radiator somewhere the case designers didn't intend.
 
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