Radiator fans static pressure versus airflow.

Aug 17, 2018
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Hey guys, long time lurker. First time poster. I read many of the different articles posted regarding fan intake, exhaust, static pressure vs airflow. I'm still a little unsure regarding my current new build.

I recently put together a new build using the Corsair 500D SE. I have a front mounted Corsair 100v2. The fans I am using with the radiator are the Corsair LL120 RGB that came with the case. There is one additional LL 120 mounted to the front as an intake also. I have two Corsair LL 140 RGB mounted to the top as exhaust. One LL 120 RGB mounted to the back as an exhaust also. I have an i7 8700k running at stock 3.7ghz.

My concern is that my idle temps run between 30-40c I'm aware that is perfectly fine but with my previous case and same build I was idling in the 20s.
My question is if I wanted to put new fans in the front and remove the LL 120s mounted to the radiator what kind of fans do you guys would think best or recommend? Static pressure or airflow? I am looking for 3 120s in size.

https://imgur.com/a/NwKOwbl

Here's a picture of the build.
 

Dunlop0078

Titan
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Static pressure for rad mounted fan. However I highly doubt that will do anything to decrease your idle CPU temps, the stocks fans on that cooler are static pressure and not bad at all.

Why do you have that rad mounted on the front? Is there no room on the top? Is there 3 case intake fans right in front of your rad fans? If so I dont think that is a very good idea, they would have to be carefully set at a specific RPM to get good airflow or the fans will interfere with each other. I would try turning off your 3 front case intake fans for a bit and see if idle temps improve.

What are load temps? Is your PC running 3.7ghz at idle?
 
Aug 17, 2018
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The rad I have mounted on the front isn't using the stock fans that came with the radiator. I am using the LL 120 RGB fans that came with the Corsair case. Only because I wanted the RGB fans to light up threw the glass front. The reason I have it mounted to the front, is only because some of the studies I have seen "claim" that the rad mounted to the front as an intake helps with better CPU temps. I actually plan on adding the Corsair 150i to the front. With that, I was wondering if I should continue to use the 3 LL120 RGB fans mounted to front as intake or if I should invest in better fans? And if so should I use static pressure or airflow.
 
Aug 17, 2018
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Just to clarify, there is two LL120 RGB fans that are mounted to the front of the Corsair 100v2. There is one other under mounted to the front of the case also. 3 fans in total. 2 mounted to the radiator and 1 mounted the case itself. As to the 3.7ghz while being idle I'm not entirely sure. I haven't adjusted any of the settings, overclocked or underclocked.

Here is a must better picture of the PC.
https://imgur.com/a/GngzxLH