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Corsair 570X Fan and Airflow Advise

 
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post #1 of 9 (permalink) Old 04-22-2019, 09:04 AM - Thread Starter
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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?

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post #2 of 9 (permalink) Old 04-22-2019, 09:33 AM
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Try both, run whatever works best. ez.

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post #3 of 9 (permalink) Old 04-22-2019, 09:59 AM
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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.

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post #4 of 9 (permalink) Old 04-22-2019, 01:16 PM
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Top fans are useless unless you really need some (a top mounted radiator for instance).

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post #5 of 9 (permalink) Old 04-24-2019, 07:21 AM
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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

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post #6 of 9 (permalink) Old 04-27-2019, 02:59 PM - Thread Starter
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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.

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post #7 of 9 (permalink) Old 04-28-2019, 07:28 AM
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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.

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post #8 of 9 (permalink) Old 05-13-2019, 12:39 PM - Thread Starter
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Quote: Originally Posted by doyll View Post
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.

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post #9 of 9 (permalink) Old 05-14-2019, 05:43 AM
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Quote: Originally Posted by CelticGamer View Post
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.

Phanteks Owners Club Ways to Better Cooling
i7 980 @ 3.55GHz =PH-TC14PE w/2x TY-143 fans =Crucial Ballistix 3x4GB =GA-X58A-UD5 =ASUS GTX580 DirectCU II =Enermax Modu84+ =Define R2 w/3x TY-140 case intake fans; all PWM controlled by CPU fan socketPhanteks Enthoo Primo MoBo Rampage III Extreme CPUi7 980X
@ 4.0GHz =R1 Ultimate w/2x TY-143 fans =Dominator GT 6x2GB =Rampage III Extreme =ASUS GTX580 DirectCU II =TX850 =Enthoo Primo w/ custom castor base
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