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OK to run 3x120 exhaust and 2x140 intake?

RollTime
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Go to solution Solved by Dedayog,

Do that and add another 120mm in the bottom as intake.  Then you'll be slightly positive for sure.

 

Technically, the area of the fans makes your current setup slightly negative, but I think the resistance of the radiator impedes those 2 exhaust fans enough to reduce their flow to make the system more balanced.

 

But since the radiator fans may spin independently of the other non-rad fans... I'd add the 3rd intake to be safe.

 

Edit:  Not sure if you changed it or were mistaken, but the r6 comes with a rear 140mm fan not 120mm.  Order another 140mm from Fractal and and bottom intake it, yes.

My plan for mounting the AIO in my build (Define R6) is to put the rad (240mm) on the top of the case as exhaust, and use another 120mm as rear exhaust. The case will have 2x140mm fans as intake. I've heard that the optimal configuration is balanced but slightly positive airflow. Will the 2 140mm intake fans be enough, or do I need to add a third? Is there another, better fan configuration I should use (8086k watercooled, 1080)?

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Do that and add another 120mm in the bottom as intake.  Then you'll be slightly positive for sure.

 

Technically, the area of the fans makes your current setup slightly negative, but I think the resistance of the radiator impedes those 2 exhaust fans enough to reduce their flow to make the system more balanced.

 

But since the radiator fans may spin independently of the other non-rad fans... I'd add the 3rd intake to be safe.

 

Edit:  Not sure if you changed it or were mistaken, but the r6 comes with a rear 140mm fan not 120mm.  Order another 140mm from Fractal and and bottom intake it, yes.

Emma : i9 9900K 5.1Ghz - Gigabyte AORUS 1080Ti - Gigabyte AORUS Z370 Gaming 5 - G. Skill Ripjaws V 32GB 3200Mhz - 750 EVO 512GB + 2x 860 EVO 1TB (RAID 0) - EVGA SuperNova 650 P2 - Thermaltake Water 3.0 Ultimate 360mm - Fractal Design Define R6 - AOC AGON 35" 3440x1440 100Hz - Mackie CR5BT - Corsair Virtuoso SE - Logitech G910, G502 - Cooler Master Universal Graphics Card Holder

 

Plex : Ryzen 5 1600 - Gigabyte B450M-DS3H - G. Skill Ripjaws V 16GB 2400Mhz - MSI 1050Ti 4GB - 840 EVO 256GB + Toshiba P300 3TB - TP-Link AC1900 PCIe Wifi - Cooler Master MasterWatt Lite 500 - Antec Nine Hundred - Samsung 27" + Dell 24" 

 

Raven:  Intel i3 10100F - ASRock H410M-HDV - G. Skill Ripjaws V 16GB 2666Mhz - MSI 1050Ti 4GB - Inland 256GB SSD + Toshiba 2TB HDD - TP-Link AC600 USB Wifi - Gigabyte GP-P450B PSU -  Cooler Master MasterBox Q300L -  Spectre 24" 

 

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8 minutes ago, jstudrawa said:

Do that and add another 120mm in the bottom as intake.  Then you'll be slightly positive for sure.

 

Technically, the area of the fans makes your current setup slightly negative, but I think the resistance of the radiator impedes those 2 exhaust fans enough to reduce their flow to make the system more balanced.

 

But since the radiator fans may spin independently of the other non-rad fans... I'd add the 3rd intake to be safe.

 

Edit:  Not sure if you changed it or were mistaken, but the r6 comes with a rear 140mm fan not 120mm.  Order another 140mm from Fractal and and bottom intake it, yes.

I'm going to be changing out the rear exhaust to a 120mm because the fans I'm buying come in a 3-pack.

import shittyTechAdvice as RollTime

 

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Just now, RollTime said:

I'm going to be changing out the rear exhaust to a 120mm because the fans I'm buying come in a 3-pack.

Cool, then put that 140mm from the rear to the bottom, you're set.

Emma : i9 9900K 5.1Ghz - Gigabyte AORUS 1080Ti - Gigabyte AORUS Z370 Gaming 5 - G. Skill Ripjaws V 32GB 3200Mhz - 750 EVO 512GB + 2x 860 EVO 1TB (RAID 0) - EVGA SuperNova 650 P2 - Thermaltake Water 3.0 Ultimate 360mm - Fractal Design Define R6 - AOC AGON 35" 3440x1440 100Hz - Mackie CR5BT - Corsair Virtuoso SE - Logitech G910, G502 - Cooler Master Universal Graphics Card Holder

 

Plex : Ryzen 5 1600 - Gigabyte B450M-DS3H - G. Skill Ripjaws V 16GB 2400Mhz - MSI 1050Ti 4GB - 840 EVO 256GB + Toshiba P300 3TB - TP-Link AC1900 PCIe Wifi - Cooler Master MasterWatt Lite 500 - Antec Nine Hundred - Samsung 27" + Dell 24" 

 

Raven:  Intel i3 10100F - ASRock H410M-HDV - G. Skill Ripjaws V 16GB 2666Mhz - MSI 1050Ti 4GB - Inland 256GB SSD + Toshiba 2TB HDD - TP-Link AC600 USB Wifi - Gigabyte GP-P450B PSU -  Cooler Master MasterBox Q300L -  Spectre 24" 

 

Other Tech:

- Ubiquiti Amplifi HD mesh wifi

- 2021 Volvo S60 Recharge T8 Polestar Engineered - 415hp/495tq 2.0L 4cyl. turbocharged, supercharged and electrified.

Lenovo 720S Touch 15.6" - i7 7700HQ, 16GB RAM, 512GB NVMe SSD, 1050Ti, 4K touchscreen

MSI GF62 - i7 7700HQ, 16GB 2400 MHz RAM, 256GB NVMe SSD + 1TB 7200rpm HDD, 1050Ti

 

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Just now, jstudrawa said:

Cool, then put that 140mm from the rear to the bottom, you're set.

Great, thanks. One thing, the Fractal fans are not PWM and the other fans will be, so they won't be at exactly the same speed. Is this a problem? I guess I can manually adjust the curves to try and make them match up.

import shittyTechAdvice as RollTime

 

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8 minutes ago, RollTime said:

Great, thanks. One thing, the Fractal fans are not PWM and the other fans will be, so they won't be at exactly the same speed. Is this a problem? I guess I can manually adjust the curves to try and make them match up.

No, won't be an issue.  You'll be fine with that setup however you work it.

Emma : i9 9900K 5.1Ghz - Gigabyte AORUS 1080Ti - Gigabyte AORUS Z370 Gaming 5 - G. Skill Ripjaws V 32GB 3200Mhz - 750 EVO 512GB + 2x 860 EVO 1TB (RAID 0) - EVGA SuperNova 650 P2 - Thermaltake Water 3.0 Ultimate 360mm - Fractal Design Define R6 - AOC AGON 35" 3440x1440 100Hz - Mackie CR5BT - Corsair Virtuoso SE - Logitech G910, G502 - Cooler Master Universal Graphics Card Holder

 

Plex : Ryzen 5 1600 - Gigabyte B450M-DS3H - G. Skill Ripjaws V 16GB 2400Mhz - MSI 1050Ti 4GB - 840 EVO 256GB + Toshiba P300 3TB - TP-Link AC1900 PCIe Wifi - Cooler Master MasterWatt Lite 500 - Antec Nine Hundred - Samsung 27" + Dell 24" 

 

Raven:  Intel i3 10100F - ASRock H410M-HDV - G. Skill Ripjaws V 16GB 2666Mhz - MSI 1050Ti 4GB - Inland 256GB SSD + Toshiba 2TB HDD - TP-Link AC600 USB Wifi - Gigabyte GP-P450B PSU -  Cooler Master MasterBox Q300L -  Spectre 24" 

 

Other Tech:

- Ubiquiti Amplifi HD mesh wifi

- 2021 Volvo S60 Recharge T8 Polestar Engineered - 415hp/495tq 2.0L 4cyl. turbocharged, supercharged and electrified.

Lenovo 720S Touch 15.6" - i7 7700HQ, 16GB RAM, 512GB NVMe SSD, 1050Ti, 4K touchscreen

MSI GF62 - i7 7700HQ, 16GB 2400 MHz RAM, 256GB NVMe SSD + 1TB 7200rpm HDD, 1050Ti

 

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Just now, jstudrawa said:

No, won't be an issue.  You'll be fine with that setup however you work it.

Awesome, thanks.

import shittyTechAdvice as RollTime

 

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