Top Rad - Push or Pull?

Bryan Kortez

Bryan Kortez

Bryan Kortez

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After some sketches and thinking, I am most likely going to be getting the FD Define S case. I am going to use my existing AX240 rad on the front with 3 x 120mm fans pushing air through (the top 120mm fan will just be supplying fresh air into the case and not through rad). On the top I will be using a EX360 rad with 3 x 120mm fans. The rear case fan will be a filtered intake.

I have got a box of Akasa AK-FN059 120mm Ultra Quiet Venom Viper fans I am thinking about using and running them mainly at 600rpm and ramping them up when coolant goes above 35 degrees.

How should I configure the top rad, in push or pull?
I have heard that pull makes it easier for cleaning, and reduce the dust build up rads. How does push or pull affect noise levels?
 
For my loop, I have pull on front to bring the air in through the 240 RAD and pull on top to pull the warm air out through the top 240 RAD. The front RAD gets very dusty as my Parvum case has no filters and the top fans get dusty, but not as bad as the front, since logically the front RAD is filtering out most of the external dust and very little gets in the case.
To clean, I will have to use compressed air or a strip down. I am have not decided yet, but think I will lean towards using air. My previous Corsair 600T had filters and still got very dusty, so its something that has to be tackled, no mater how we configure to reduce.
 
out of them 2 corsair fans go with the sp as it stands for static pressure and thats what you need for rads. plus if if were you i would go with the ek vardar fans over corsair.
 
I'm currently using the EK Vardar fans on another build, they seem pretty good.

I thought static pressure only really applied when pushing air through a rad, and not when pulling?
 
no, any fan you put on a rad needs to have high static pressure to be able to draw the heat away as you have restricted airflow caused by the rad itself
 
The rule is, if you just want to just get air into the case use AF. If you use a RAD, which brings resistance to the air flow, you use SP. Have a search on the topic and you will see lots of good explanations about this. I use Corsair SP120 quite, but I am hearing good things about those EK Vardars as they give very quite noise at high RPM, which is what you want. I cannot run the Corsair at full RPM because they do get noisy.
 
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