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Cooling Cases

post #1 of 6
Thread Starter 
So i see alot of cases with plastic tubing that goes down right over the cpu fan, Dose this allow for more efficant cooling or can it trap heat and not allow for the best cooling.
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STX
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post #2 of 6
Well with stock and non-tower HSFs, the fan blows downwards through the heatsinks, releasing the heat out the sides.... cases with CPU air ducts allow for the air being moved by the cooler's fan to be directly from outside the case... this way, the HSF to not have to use recycled (warm) air from the case
post #3 of 6
It's a nice idea, but is kinda tedious with making it look nice in a case. Personally i can't see the benefits myself. If anything it would make things less efficient and make things hotter. Unless you putting one end out of a window and sucking in cool air, which i might i would not recommend due to the likely hood of condensation.
 
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X79 Build
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post #4 of 6
Quote:
Originally Posted by Mhill2029 View Post
It's a nice idea, but is kinda tedious with making it look nice in a case. Personally i can't see the benefits myself. If anything it would make things less efficient and make things hotter. Unless you putting one end out of a window and sucking in cool air, which i might i would not recommend due to the likely hood of condensation.
are you talking about phase change?? Condensation only forms when an area is being cooled to below ambient temperatures (which can't really happen with simple air cooling)

The OP makes it sound like he's talking about CPU air ducts like below:
post #5 of 6
Quote:
Originally Posted by killa_concept View Post
are you talking about phase change?? Condensation only forms when the area is being cooled to below ambient temperatures (which can't really happen with simple air cooling)

The OP makes it sound like he's talking about CPU air ducts like below:
No, i mean sucking cool air from the outside into a duct to the CPU. I was describing both methods of ducting.
 
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CPUMotherboardGraphicsRAM
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2x 256GB OCZ Vertex 4's (RAID-0) 2x 2TB Seagate Barracuda 7200.14 64MB Cache Pioneer BDR-207DBK Blu-ray Writer Corsair H105 (Push/Pull) 
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X79 Build
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CPUMotherboardGraphicsRAM
Intel Core i7-6950X @ 4.0Ghz Asus Rampage V Extreme [Bios:3101] 2x EVGA GeForce Titan X SC Editions in SLI 32GB (4×8) Corsair Dominator Platinums (3000Mhz) 
Hard DriveHard DriveHard DriveOptical Drive
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CoolingOSMonitorPower
Corsair H105 (Push/Pull) Windows 10 Pro x64 2x 27" Asus PG278Q ROG Swift 144hz  Corsair AX1500i Digital ATX 80 Plus Titanium 
CaseAudio
Lian Li PC-O8WX ATX Cube Case Logitech Z906 5.1 Surround 
CPUMotherboardGraphicsRAM
i7-3930K (C2) @ (4.6Ghz) Asus Rampage IV Extreme X79 (Bios 3204) 3x EVGA GTX780Ti's SC Editions 32GB (4x8GB) G-Skill TridentX 2400Mhz 
Hard DriveHard DriveOptical DriveCooling
2x 256GB OCZ Vertex 4's (RAID-0) 2x 2TB Seagate Barracuda 7200.14 64MB Cache Pioneer BDR-207DBK Blu-ray Writer Corsair H105 (Push/Pull) 
OSMonitorPowerCase
Win7 Pro 64Bit & Win10 Pro 64Bit Asus ROG Swift (2560x1440 @144hz) Corsair AX1200 + Corsair RED sleeved cables Coolermaster Cosmos II Ultra 
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post #6 of 6
Quote:
Originally Posted by Mhill2029 View Post
No, i mean sucking cool air from the outside into a duct to the CPU. I was describing both methods of ducting.
Oooooh! I misread your post - lI read it as the CASE window not a house window

As for the question of efficiency, I would say that ducts like these help a good deal with non-tower heatsinks... most cases are designed with back to front airflow in mind, which doesn't lend itself to downwards heatsinks (the area of fresh air intake is too far away from the heatsink causing the cooler to reuse warm air)... With an air duct, the heatsink is receiving fresh air directly and at a larger, faster volume (increasing cooling)... the standard back to front airflow of the case can then take care of the warm air exhausted by the HSF
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