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-   -   Corsair 570X Fan and Airflow Advise (https://www.overclock.net/forum/246-air-cooling/1724754-corsair-570x-fan-airflow-advise.html)

CelticGamer 04-22-2019 09:04 AM

Corsair 570X Fan and Airflow Advise
 
I have a Corsair 570X with three 120mm fans in front, and a 120mm radiator in the rear with push pull fans.

I'm looking to add two 140mm fans to the top of the case, and am wondering if I should run these as an intake or exhaust?

The Pook 04-22-2019 09:33 AM

Try both, run whatever works best. ez.

BroadPwns 04-22-2019 09:59 AM

Get Arctic P14 5 fans value pack, replace 3 on the front, put one above your VRM, replace the one on the back, forget about the topic.

Melcar 04-22-2019 01:16 PM

Top fans are useless unless you really need some (a top mounted radiator for instance).

doyll 04-24-2019 07:21 AM

What others have said pretty well sums it up .. although I'm not sure 3x front intake fans with good pressure and airflow ratings can supply all the airflow needed for GPU's 3x 80mm/90mm fans and 120mm fannned radiator. I would remove all PCIe back slot covers to increase rear vent area around GPU and monitor airflow temp into GPU and radiator. You might find below link is to guide of how airflow works and how to optimize case airflow of interest.

https://www.overclock.net/forum/22319249-post5.html

CelticGamer 04-27-2019 02:59 PM

Thanks for the advice. I was hoping adding two 140mm fans would improve things dramatically, but that doesn't seem to be the case from whats being said.

BroadPwns 04-28-2019 07:28 AM

Recently had to remove two fans from my case, GPU temps raised by 2C, I also had to remove front fan on my cooling which combined resulted in temps on CPU raising by 10C. Mostly make sure fans on the radiator are decent first.

CelticGamer 05-13-2019 12:39 PM

Quote:

Originally Posted by doyll (Post 27944040)
What others have said pretty well sums it up .. although I'm not sure 3x front intake fans with good pressure and airflow ratings can supply all the airflow needed for GPU's 3x 80mm/90mm fans and 120mm fannned radiator. I would remove all PCIe back slot covers to increase rear vent area around GPU and monitor airflow temp into GPU and radiator. You might find below link is to guide of how airflow works and how to optimize case airflow of interest.

https://www.overclock.net/forum/22319249-post5.html

This turned out to be a fantastic piece of advice. I went ahead and removed the PCIe slot covers, four of them, and my temps started to drop dramatically. Apparently, I just wasn't getting good ventilation out the back, probably due to the 120mm radiator installed in the rear.

doyll 05-14-2019 05:43 AM

Quote:

Originally Posted by CelticGamer (Post 27965496)
This turned out to be a fantastic piece of advice. I went ahead and removed the PCIe slot covers, four of them, and my temps started to drop dramatically. Apparently, I just wasn't getting good ventilation out the back, probably due to the 120mm radiator installed in the rear.

Keep in mind case airflow is determined by the smaller of intake or exhaust airflow potential. A case only flows as much air as the smaller of the two. So if exhaust vent area (with or without fans) is only 1/2 the size of intake area then the case's airflow will only be as much air as can exhaust through the exhuast venting. Most cases have lots of front and top venting, even bottom venting, but I can't think of any with more than 1 fan vent in the back.



By removing all PCie slot covers you opened up at about another fan's worth of vent area and improved the front to back airflow around GPU and thus move it's heated exhaust air out the back much faster.;)


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