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I recently just built my first PC and I am not sure if I'm doing this intake vs. exhaust thing correctly. As far as I understand, popular opinion is that you should have at least as many intake fans as exhaust fans with a slight preference towards intake. 

 

My Corsair SPEC-03 case came with two front intake fans and one rear exhaust fan. I was wondering if I should install the the CPU cooler fan as an exhaust to balance the number of intakes to exhausts. I'm only asking because I usually see air coolers be oriented as intake fans and I was wondering if it would be better if I did something strays from convention.

 

Just to note, the SPEC-03 has filters over all of the possible intakes.

 

Here's my build if you were curious,

 


 

CPU: Intel Core i5-4690K 3.5GHz Quad-Core Processor  (Purchased For $189.99) 

CPU Cooler: CRYORIG H7 49.0 CFM CPU Cooler  (Purchased For $34.50) 

Motherboard: MSI Z97S SLI Krait Edition ATX LGA1150 Motherboard  (Purchased For $59.99) 

Memory: Corsair Vengeance 8GB (2 x 4GB) DDR3-1600 Memory  (Purchased For $41.99) 

Storage: Samsung 850 EVO-Series 250GB 2.5" Solid State Drive  (Purchased For $74.99) 


Video Card: MSI Radeon R9 390 8GB Video Card  (Purchased For $216.86) 

Case: Corsair SPEC-03 White ATX Mid Tower Case  (Purchased For $19.99) 


Wireless Network Adapter: TP-Link TL-WDN4800 802.11a/b/g/n PCI-Express x1 Wi-Fi Adapter  (Purchased For $35.97) 

Monitor: Acer GN246HL 144Hz 24.0" Monitor  (Purchased For $169.99) 

Keyboard: Logitech G710 Plus Wired Gaming Keyboard  (Purchased For $51.75) 

Mouse: Logitech G502 Wired Optical Mouse  (Purchased For $38.94) 

Total: $1040.73

Prices include shipping, taxes, and discounts when available

Generated by PCPartPicker 2015-11-24 20:02 EST-0500

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Keep a positive pressure. Make your liquid cooler the only exhaust, and have two intakes.

Gaming Build:

CPU: Ryzen 7 3800x   |  GPU: Asus ROG STRIX 2080 SUPER Advanced (2115Mhz Core | 9251Mhz Memory) |  Motherboard: Asus X570 TUF GAMING-PLUS  |  RAM: G.Skill Ripjaws DDR4 3600MHz 16GB  |  PSU: Corsair RM850x  |  Storage: 1TB ADATA XPG SX8200 Pro, 250GB Samsung 840 Evo, 500GB Samsung 840 Evo  |  Cooler: Corsair H115i Pro XT  |  Case: Lian Li PC-O11

 

Peripherals:

Monitor: LG 34GK950F  |  Sound: Sennheiser HD 598  |  Mic: Blue Yeti  |  Keyboard: Corsair K95 RGB Platinum  |  Mouse: Logitech G502

 

Laptop:

Asus ROG Zephryus G15

Ryzen 7 4800HS, GTX1660Ti, 16GB DDR4 3200Mhz, 512GB nVME, 144hz

 

NAS:

QNAP TS-451

6TB Ironwolf Pro

 

 

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More intakes then exhausts is what you want. Positive pressure inside the case means dust can't really enter where there's no fans (and where there's fans, there's typically filters). Negative pressure is bad because dust can enter the case.

My rig: Intel Core i7-8700K OC 4.8 | NZXT Kraken X62 | ASUS Z370-F | 16 GB Trident Z RGB 3000 (2x8) | EVGA 1070 SC | EVGA SuperNova NEX650G1 | NZXT H700 | Samsung 250GB 850-EVO | 2x 2TB Seagate Barracuda HDDs 

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More intakes then exhausts is what you want. Positive pressure inside the case means dust can't really enter where there's no fans (and where there's fans, there's typically filters). Negative pressure is bad because dust can enter the case.

 

 

Keep a positive pressure. Make your liquid cooler the only exhaust, and have two intakes.

 

The Cryorig H7 is an air cooler  :o

 

I get that positive pressure is preferred. It's just that my case came with 2 front intakes and 1 rear exhaust. Now, do I orient the fan of my Cryorig H7 as another "intake" fan or do I orient it as an exhaust. If I orient it as an intake, wouldn't I have 3 intakes to 1 exhaust? 

 

Thanks for responding by the way, the community here is way more helpful than other sites.

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The Cryorig H7 is an air cooler  :o

 

I get that positive pressure is preferred. It's just that my case came with 2 front intakes and 1 rear exhaust. Now, do I orient the fan of my Cryorig H7 as another "intake" fan or do I orient it as an exhaust. If I orient it as an intake, wouldn't I have 3 intakes to 1 exhaust? 

 

Thanks for responding by the way, the community here is way more helpful than other sites.

I'm confused on how you are orienting an air cooler as an "intake" or "exhaust"

Gaming Build:

CPU: Ryzen 7 3800x   |  GPU: Asus ROG STRIX 2080 SUPER Advanced (2115Mhz Core | 9251Mhz Memory) |  Motherboard: Asus X570 TUF GAMING-PLUS  |  RAM: G.Skill Ripjaws DDR4 3600MHz 16GB  |  PSU: Corsair RM850x  |  Storage: 1TB ADATA XPG SX8200 Pro, 250GB Samsung 840 Evo, 500GB Samsung 840 Evo  |  Cooler: Corsair H115i Pro XT  |  Case: Lian Li PC-O11

 

Peripherals:

Monitor: LG 34GK950F  |  Sound: Sennheiser HD 598  |  Mic: Blue Yeti  |  Keyboard: Corsair K95 RGB Platinum  |  Mouse: Logitech G502

 

Laptop:

Asus ROG Zephryus G15

Ryzen 7 4800HS, GTX1660Ti, 16GB DDR4 3200Mhz, 512GB nVME, 144hz

 

NAS:

QNAP TS-451

6TB Ironwolf Pro

 

 

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You don't need to do anything. Like Luke says in this video, 2 in, 1 out is pretty much best basic fan config you can get.

As for CPU cooler. Install it as manual says. Fan blowing towards heatsink so that rear fan will handle exhausting.

^^^^ That's my post ^^^^
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