Help with cooling / fan configuration

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kieranvyas

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Mar 25, 2015
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I'm looking for some advice on cooling. I am about to go ahead with a new build I've put together for video editing and I'd like to know the best fan set up to use. So far I've read that negative pressure is best and intake fans should be on the front and exhaust should be top or rear.

My Define R5 case comes with 2 x Fractal Design Dynamic GP14 140mm fans.
Should I buy any additional fans?
And what would be the best configuration for them?

My build:
PCPartPicker part list: http://uk.pcpartpicker.com/p/Tqwy7P
Price breakdown by merchant: http://uk.pcpartpicker.com/p/Tqwy7P/by_merchant/

CPU: Intel Core i7-5820K 3.3GHz 6-Core Processor (£308.34 @ Aria PC)
CPU Cooler: Noctua NH-D15 82.5 CFM CPU Cooler (£65.46 @ CCL Computers)
Motherboard: Asus X99-PRO ATX LGA2011-3 Motherboard (£251.99 @ Scan.co.uk)
Memory: Crucial 32GB (4 x 8GB) DDR4-2133 Memory (£274.06 @ More Computers)
Storage: Samsung 850 EVO-Series 250GB 2.5" Solid State Drive (£84.97 @ Amazon UK)
Storage: Western Digital BLACK SERIES 1TB 3.5" 7200RPM Internal Hard Drive (£55.99 @ Amazon UK)
Storage: Western Digital BLACK SERIES 2TB 3.5" 7200RPM Internal Hard Drive (£101.78 @ Amazon UK)
Video Card: EVGA GeForce GTX 970 4GB SSC ACX 2.0 Video Card (£287.94 @ Aria PC)
Case: Fractal Design Define R5 (Black) ATX Mid Tower Case (£82.99 @ CCL Computers)
Power Supply: XFX XTR 650W 80+ Gold Certified Fully-Modular ATX Power Supply (£73.98 @ More Computers)
Operating System: Microsoft Windows 8.1 (OEM) (64-bit) (£74.34 @ Aria PC)
Monitor: Dell U2515H 60Hz 25.0" Monitor (£249.54 @ Aria PC)
Total: £1911.38
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-03-27 19:06 GMT+0000
 
Solution
jafrankl
Environment has a bigger impact on negative or positive pressure config than anything. Dusty location -> fans should all blow out, or mostly blow out. Config is typically intake front (most cases have a filter) and exhaust rear. You won't need additional fans, but they won't hurt. Placing you PSU so it exhausts through the bottom of your case will also help with cooling.
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jafrankl

jafrankl

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Dec 7, 2014
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Environment has a bigger impact on negative or positive pressure config than anything. Dusty location -> fans should all blow out, or mostly blow out. Config is typically intake front (most cases have a filter) and exhaust rear. You won't need additional fans, but they won't hurt. Placing you PSU so it exhausts through the bottom of your case will also help with cooling.
 
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Solution
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kieranvyas

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Mar 25, 2015
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Thanks for your response! That makes a lot of sense, so do you think it would be worth getting the extra fan? I don't mind spending that little extra if it's going to help.
 
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jafrankl

jafrankl

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Extra air flow will always help, but it is only actually needed if you think your GPU will get at or above 80°C or CPU will get in upper 70's. A 250mm on top or front (if possible) will be the addition that would help the most. 2nd would be two more 140mm's.
 
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kieranvyas

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Mar 25, 2015
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Okay! And with a 140mm already on the front (intake) and another on the rear (exhaust) would you recommend the third fan being used to intake or exhaust?
 
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sora

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Oct 30, 2013
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The third fan should be used for an exhaust in my opinion.
 
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kieranvyas

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Mar 25, 2015
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Awesome! Thanks you guys.
 
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