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Can I put two different fans on both sides of a radiator?

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post #1 of 13 (permalink) Old 04-22-2018, 03:26 PM - Thread Starter
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Can I put two different fans on both sides of a radiator?

Hi!
Well, for the first, this question is just for curiosity, nothing more.


Suppose I'm going to build a WC system.

For the radiator I choose the EK-CoolStream XE 360

Spoiler!


For the fans that will push, I chose the Noctua NF-F12 industrialPPC-2000 PWM

Spoiler!


And for the fans that will pull, the Corsair LL120 RGB

Spoiler!


Of course that it will be better with the same fans. But it will be worse with the corsair compared with push system only?

Last edited by Flash FM; 04-23-2018 at 03:06 PM.
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post #2 of 13 (permalink) Old 04-22-2018, 06:19 PM
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Will be fine.
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post #3 of 13 (permalink) Old 04-23-2018, 06:30 AM
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First, it absolutely will not be worse to have a set of pulling fans on no matter what they are. The air flow rate a fan generates through a radiator is so much lower than it can produce with no resistance that even if the fans on the pulling side are running at a considerably lower RPM they will still contribute to increasing the airflow through the rad.

Its very much like using different pumps together. It works totally fine with different types and different speeds (within reason).
In fact using different model fans on each side of the rad can work better than using identical ones. It can avoid resonance and vibration tuning under some circumstances and lower noise.
Some fans work great in push and terrible in pull. The NB Eloop are the best example. I have combined Eloops pushing with Vardars pulling and its quieter than using one type alone.



One idea that people come up with because it can seem logical is to use static pressure focused fan on push and airflow optimised on the pull side with the thought that the push has to overcome the resistance while the pull side just has to move the air away as fast as possible. Of course in reality the pull side has to create static pressure just like the push side in order to create a vacuum/low pressure zone that increases overall airflow rate. Static pressure works in both directions.

Last edited by Ashcroft; 04-23-2018 at 06:43 AM.
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post #4 of 13 (permalink) Old 04-23-2018, 09:24 AM
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I'm going to go out on a limb here and take a wild guess that you are adding the LL120s just for the lights.....

Why not just buy yourself some Phanteks Halos and put them on the Noctuas?

Yeah....the little girl hentai avatar is really creeping me out....
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post #5 of 13 (permalink) Old 04-23-2018, 09:50 AM
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Hi,
I wouldn't bother with rgb fans
Just use rgb light strips much more versatile if you want lighting

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post #6 of 13 (permalink) Old 04-23-2018, 09:51 AM
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Quote: Originally Posted by ThrashZone View Post
Hi,
I wouldn't bother with rgb fans
Just use rgb light strips much more versatile if you want lighting [IMG class=inlineimg]/forum/images/smilies/smile.gif[/IMG]
Exactly. If you want lights, buy lights. If you want air movement, buy fans.

Yeah....the little girl hentai avatar is really creeping me out....
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post #7 of 13 (permalink) Old 04-23-2018, 10:16 AM
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HI,
I'm down to one rgb fan on the top/ back rear lol
But i have a box load of rgb fans

CPU
i9-9940x With Heatkiller IV Pro and VRM Plexi-Copper water block
Motherboard
ASUS x299 Rampage VI Apex
GPU
Titan Xp with copper Water Block
RAM
Trident Z 3600C16 4x8gb's b-die default timings 16-16-16-36
Hard Drive
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Optical Drive
LG Blu-Ray WH16NS40
Power Supply
evga 1200-P2
Cooling
2-280GTX Black Ice Nemesis rads with D5 pump-res combo and D5 top before and after rads.
Case
corsair 450D with added 2nd floor to house radiator on top
Operating System
Win-7 pro & 10 pro Win-7 Primary os.
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Power Supply
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2-240 GTX Black Ice Nemesis rads/ D5 pump-res combo and D5 top before and after rads.
Case
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post #8 of 13 (permalink) Old 04-23-2018, 10:31 AM
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Quote: Originally Posted by ThrashZone View Post
HI,
I'm down to one rgb fan on the top/ back rear lol
But i have a box load of rgb fans
have you considered getting some phobya fans shrouds and adding the lights you want to that?

https://www.amazon.com/Phobya-Shroud...10XFA4EF33KB9W

https://www.amazon.com/Lights-wired-.../dp/B007O21Z5Q

that is what I did so that I would not need lighted fans.



the sad part here is that I did all of the lighting, but I have only turned the lights on about 4 times in the past year. most of the time, the lights are in the off position when the PC is running, because I don't sit there and stair at my PC, while I am playing a game. so there is no good reason to leave the lights on.

https://www.overclock.net/forum/rigbu...tle=AMD+AM3%2B
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Last edited by toolmaker03; 04-23-2018 at 10:47 AM.
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post #9 of 13 (permalink) Old 04-23-2018, 12:43 PM
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Hi,
Yes actually was just looking at some fan shrouds
3-120mm or really 360 x 120mm to add to the top of a case for some additional fan space
Flipping a coin for which one I will actually do
Either a new case 750D at micro center or look into a 3-120mm fan shroud :/

CPU
i9-9940x With Heatkiller IV Pro and VRM Plexi-Copper water block
Motherboard
ASUS x299 Rampage VI Apex
GPU
Titan Xp with copper Water Block
RAM
Trident Z 3600C16 4x8gb's b-die default timings 16-16-16-36
Hard Drive
Samsung 970 Evo Plus 500gb M.2/ Samsung 850 Pro 256gb for os and 500gb evo for favorite games plus other wd hdd's for data and backup's
Optical Drive
LG Blu-Ray WH16NS40
Power Supply
evga 1200-P2
Cooling
2-280GTX Black Ice Nemesis rads with D5 pump-res combo and D5 top before and after rads.
Case
corsair 450D with added 2nd floor to house radiator on top
Operating System
Win-7 pro & 10 pro Win-7 Primary os.
Monitor
ASUS VG248QE 24" 144Hz
Keyboard
Logitech G910 Orion spectrum
Mouse
Redragon Perdition
Audio
Built in realtek and Insignia 2.0 soundbar HSB318
CPU
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Motherboard
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GPU
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RAM
Trident-Z 3200C14 4x8gb's b-die default timings 14-14-14-34
Hard Drive
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Power Supply
EVGA 1000-P2
Cooling
2-240 GTX Black Ice Nemesis rads/ D5 pump-res combo and D5 top before and after rads.
Case
Corsair 450D with added 2nd floor to house radiator on top
Operating System
Win-7 and 10 pro Win-7 Primary os.
Monitor
AOC G2460PG 24"G-Sync 144Hz
Mouse
Red Dragon Perdition
Audio
Built in realtek and Insignia 2.0 soundbar HSB318
Hard Drive
eLeaf MELO-3 4ml
Power Supply
SE US18650VTC6 3120mAh 30A 3.6V 18650 Li-ion Battery - GREENx4
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post #10 of 13 (permalink) Old 04-23-2018, 03:04 PM - Thread Starter
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Thanks everybody to answer

Quote: Originally Posted by ciarlatano View Post
I'm going to go out on a limb here and take a wild guess that you are adding the LL120s just for the lights.....

Why not just buy yourself some Phanteks Halos and put them on the Noctuas?
Of course I would never sacrifice performance over esthetic, and I also know better methods to have lights like light strips and other better leds fans. Except for the Phanteks Halos, Ty very much for the information

The question was really a curiosity that I had. That's why I gave the Corsair LL as an example, since there are other better fans, like the Cougars CDF or the Aerocool Shark
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