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Best Fan Setup - Page 3

Poll Results: Which would be the best cooling setup? (Dust not a factor)

 
  • 4% (1)
    Fan Setup 1
  • 0% (0)
    Fan Setup 2
  • 19% (4)
    Fan Setup 3
  • 28% (6)
    Fan Setup 4
  • 47% (10)
    Fan Setup 5
21 Total Votes  
post #21 of 30
Hot air rising is not a problem in PC cases, unless you have a few really slow fans (1 or 2). Air will go where you push it. A top intake is not bad, but it depends on how your overall cooling setup is arranged.
I run a single tower cooler that exhaust towards the back. My case has room for two 120mm fans on the top panel, but the CPU cooler sits right under the forward vent. If that vent were a bit more towards the front then I can set it as an intake, but as it is it would only blow at the sides of the cooler (mostly plastic). The rear top vent is right behind the CPU cooler exhaust fan, so setting an extra exhaust in that vent expels all the hot air from the cooler. I recently tried setting that fan as an intake after I saw a airflow guide on Silverstone's site, but it made no difference in overall temps. The only thing I noticed was that my case fans ran slower and the air coming out from the PCI vent that is closest to the VRM heatsink was a lot warmer.
Top intakes would make much more sense if you had a 120mm AIO/CLC mounted in your rear case fan port. This way all the intake air from the top would be sucked in towards the radiator, making a cool wind tunnel effect on the upper part of your case (cooling all your components there).
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post #22 of 30
Quote:
Originally Posted by Radnad View Post

Quote:
Originally Posted by Himo5 View Post

Here's one I'm in the process of setting up.


Now with that said I had an interesting situation recently on my current build, has 3x120mm intake in front and 3x120mm exhaust in rear and top, and the case has tons of openings everywhere. Because the fans are not all the same model I ended up having negative pressure and was literally getting a layer of dust on the components within 48 hours, (kids, pets, carpet, common walk way, dust everywhere!), I switched the rear to an intake to change it to positive pressure, it increased my overall system temp by 1C but viola!, no more dust in the case. Just goes to show that even with basic air flow rules, every case and fan is different.

EDIT: Forgot to add that yes usually negative pressure is overall better for cooling but you have the whole dust thing to worry about. Like my situation above, with only 1C difference in temp, the positive pressure outweighed it.

Didn't the filters help out? You also can't forget the value of using the case as a closed system to actually make the airflow work. I was benching and BSOD'ng with the side cover off until I put it back on.
post #23 of 30
As I say, the cooling efficiency of the top fan is not an issue in my scheme. The case has a single vent that is not only directly above the CPU but which leaves just 17mm between the bottom of a 25mm fan and the top of the Mugen 4 heatsink. This suited my purpose of using the top fan as a proxy for the main CPU fan which usually won't be needed while it normally also controls a high speed extractor at a fraction of its performance.

In effect, the two stage scheme is an attempt to serve two very different conditions - one where the GPU on its own and the CPU with a stock cooler are perfectly adequate for requirements, and the other when I'm in VirtualDub and have started drumming my fingers on the desk.
Edited by Himo5 - 3/29/15 at 9:46am
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post #24 of 30

This is the fan setup that I currently have and it works good. You can have similar configuration and instead of the bottom mounted fan you can use a fan mounted on the side panel.
post #25 of 30
Well, this is what works for me. Don't pay attention to the messy wires as it is a $45 dollar case. What do you expect? Besides I just put that motherboard in yesterday and still have some cleaning up to do. I have actually spent 2 years tinkering with it and this is how it looks today.


How does it work? The AMD FX 8370 was running at 4.9 ghz @ 1.512 vcore and 53C on a MSI GD80 motherboard. The GPU is mounted low because, why put a 300 watt gpu right next to the North Bridge? It's still in an X16 slot. The sound card gets warm on its own too.



The case intake fans are Arctic Cooling F12 COs with ball bearings behind filters and the exhaust fans are Thermalright TY 143s.
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post #26 of 30
Think of air in a case as being water in a square tub. Each of the intake fans is a stream of water being pushed into the square tub. Each of the exhausts fans is water flowing out of tub. What we want is for the flow of water (air) to flow from intake to through coolers and out exhaust without swirling around and mixing with itself. This often takes a lot of time testing to get it optimized .. because there are so many variables involved, many of them changing depending of load, heat and fan speeds; cables, hdd cages, GPU, different flows from different place and at different speed and changing speeds and ...
post #27 of 30
I voted for Fan Setup #5, as it is what I use on my current setup, fully shown in my sig-rig. Plenty of words and nice drawings on this topic, not a single screenshot of a stress test together with the user's ambient temps, or much better as doyll would say, his intake fan temps, though.

Here's mine as I am typing this - a 46 inches plasma TV is connected to my GPU right now, playing a film. Ambient = 21.5C - chassis' temps shown in the screenshot.
Warning: Spoiler! (Click to show)

Hope to see yours, too.
Edited by LostParticle - 3/29/15 at 1:44pm
    
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post #28 of 30
Oh, excuse me. Ambients were 22.3C.
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post #29 of 30
Quote:
Originally Posted by miklkit View Post

Oh, excuse me. Ambients were 22.3C.

Nice, you must have posted it later, thank you anyway. Here is mine from just now, 10 minutes, ambient temp = 21.5C
Warning: Spoiler! (Click to show)
    
CPUMotherboardGraphicsRAM
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SanDisk Extreme Pro 240GB Samsung 840 PRO 128GB Plextor PX-128M5S 128GB WD 1002FAEX 1TB Caviar BLACK (in enclosure) 
CoolingCoolingCoolingCooling
Noctua NH-D15S Corsair H110 2 x Noctua NF-A14 industrialPPC-2000/3000 PWM ... Case Fan: 1 x Noctua NF-A14 PWM (rear, exhaust) 
CoolingCoolingOSOS
Case Fan: Noctua NF-S12A PWM (front, intake) Case Fans: 2 x Noctua NF-S12A FLX (front, intake) Windows 10 Pro 64 bit Windows 10 TP 
OSMonitorMonitorKeyboard
Linux Mint 18 HP ZR2440w Dell U2311H Microsoft Ergonomic keyboard 4000 
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Corsair AX760 (Platinum); EVGA SuperNova 750 G2 Corsair Air 540 Asus Xonar Essence STX II Sennheiser HD 600 
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Hard DriveHard DriveHard DriveHard Drive
SanDisk Extreme Pro 240GB Samsung 840 PRO 128GB Plextor PX-128M5S 128GB WD 1002FAEX 1TB Caviar BLACK (in enclosure) 
CoolingCoolingCoolingCooling
Noctua NH-D15S Corsair H110 2 x Noctua NF-A14 industrialPPC-2000/3000 PWM ... Case Fan: 1 x Noctua NF-A14 PWM (rear, exhaust) 
CoolingCoolingOSOS
Case Fan: Noctua NF-S12A PWM (front, intake) Case Fans: 2 x Noctua NF-S12A FLX (front, intake) Windows 10 Pro 64 bit Windows 10 TP 
OSMonitorMonitorKeyboard
Linux Mint 18 HP ZR2440w Dell U2311H Microsoft Ergonomic keyboard 4000 
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Corsair AX760 (Platinum); EVGA SuperNova 750 G2 Corsair Air 540 Asus Xonar Essence STX II Sennheiser HD 600 
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post #30 of 30
Thread Starter 
I have a ton of extra fans, so I might try this setup. If it works, I'll grab a couple of extra Noctuas. Still want to try cutting a side panel slot once I'm done recovering. Mostly for fun and some modding experience.

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