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Gandek
By Gandek
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MY RIG | Intel Core i5-4690K @4.4GHz | COOLER MASTER HYPER 212 EVO | ASUS Z97-A  | Mismatched 24GB RAM @1600MHz DDR3 | WD CAVIAR BLUE 1TB + PNY CS900 120GB | GIGABYTE AORUS RX 570 4GB | FRACTAL DESIGN FOCUS G | CORSAIR CX550M  | WINDOWS 10 | Acer GN246HL 24" 1080p 144Hz  | Glorious Model O- (Glossy White) Ducky One 2 Mini (White - Cherry MX Silent Red) MOBILE | OnePlus 7 Pro 256GB (Grey) | iPad Pro 10.5 64GB (Gold)  PREVIOUS ACCOUNT: CYANOG

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There are two ways to direct case airflow, front to back or bottom to top.

In front to back you have intake in the front (and possibly one on the bottom) with exhaust in the rear (and possibly on the top); if there is a CPU heatsink tower, the fans are directed front to back, helping pull air from the front towards the rear exhaust fan(s). 

 

In bottom to top, you have intakes on the bottom (possibly one on the front), with exhaust on the top (possibly one on the rear as well)); CPU heatsink towers would have fans facing bottom to top, pulling air from the bottom and directing it towards the top exhaust.

 

Typically you don't want intakes on the top or rear (maybe top towards the front of the case, but def not in the back) and you never want exhaust on the bottom. 

Primary PC: - https://pcpartpicker.com/list/8G3tXv (Windows 10 Home)

HTPC: - https://pcpartpicker.com/list/KdBb4n (Windows 10 Home)
Server: Dell Precision T7500 - Dual Xeon X5660's, 44GB ECC DDR3, Dell Nvidia GTX 645 (Windows Server 2019 Standard)      

*SLI Rig* - i7-920, MSI-X58 Platinum SLI, 12GB DDR3, Dual EVGA GTX 260 Core 216 in SLI - https://pcpartpicker.com/list/GHw6vW (Windows 7 Pro)

HP DC7900 - Core 2 Duo E8400, 4GB DDR2, Nvidia GeForce 8600 GT (Windows Vista)

Compaq Presario 5000 - Pentium 4 1.7Ghz, 1.7GB SDR, PowerColor Radeon 9600 Pro (Windows XP x86 Pro)
Compaq Presario 8772 - Pentium MMX 200Mhz, 48MB PC66, 6GB Quantum HDD, "8GB" HP SATA SSD adapted to IDE (Windows 98 SE)

Asus M32AD - Intel i3-4170, 8GB DDR3, 250GB Seagate 2.5" HDD (converting to SSD soon), EVGA GeForce GTS 250, OEM 350W PSU (Windows 10 Core)

*Haswell Tower* - https://pcpartpicker.com/list/3vw6vW (Windows 10 Home)

*ITX Box* - https://pcpartpicker.com/list/r36s6R (Windows 10 Education)

Dell Dimension XPS B800 - Pentium 3 800Mhz, RDRAM

In progress projects:

*Skylake Tower* - Pentium G4400, Asus H110

*Trash Can* - AMD A4-6300

*GPU Test Bench*

*Pfsense router* - Pentium G3220, Asrock H97m Pro A4, 4GB DDR3

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They should face the same direction as the cooler fans and be exhaust.

 

Moved to Air Cooling.

If you ever need help with a build, read the following before posting: http://linustechtips.com/main/topic/3061-build-plan-thread-recommendations-please-read-before-posting/
Also, make sure to quote a post or tag a member when replying or else they won't get a notification that you replied to them.

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