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Should i go 2x360mm or 1x360mm+1x240mm radiators?

post #1 of 9
Thread Starter 
Hi! So, i'm going to start ordering every parts i'm going to need to make my very first watercooled build. I'm going to buy a Phanteks Evolv ATX TG as a case (would've gone Anidees Ai Crystal, if the glass wasn't so dark, i mean, you can barely see anything through it even when you have leds all around, at least this is what is looks like) and i am not sure if i should either go with a dual 360mm radiator setup or, instead, a loop using one 240mm and one 360mm radiator.
My aim for this build is mainly silence (other than aesthetics, of course) while still having some nice temps (i do know that the Evolv ATX case has airflow issues up top, i am going to mod it a bit to fix that).
Will i be able to maintain my system silend cutting down on the second radiator's lenght? Or should i instead go dual 360mm? How much would my temps change on the 2 scenarios, considering i'll be running an overclocked 5820k (4.4ghz at the moment) and an overclocked gtx 1080?
Thanks everyone in advance!
post #2 of 9
360 + 240 would be plenty, but if you can fit two 360 I'd consider that for e-peen and symmetry. Never know what down the road will bring as you may want to SLI as well.
 
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post #3 of 9
Thread Starter 
Quote:
Originally Posted by Gunderman456 View Post

360 + 240 would be plenty, but if you can fit two 360 I'd consider that for e-peen and symmetry. Never know what down the road will bring as you may want to SLI as well.

Well, symmetry wise, you won't see that, since a part of the front 360mm radiator will be hidden by the shroud. As far as it regards sli, i'm positive i'm not gonna do that. Reason being is that i prefer going with a "top" single card rather than adding 2. So let's say a new card comes out, which is quite a bit more powerful then my 1080, i'm going to replace the older card with the new more powerful one. I did sli in the past and it ended up getting me more headaches then any kind of performance profit usually.
So, given that it's going to be enough rad space, will it be as silent as going with 2x360mm?
post #4 of 9
Well it will be more silent since you will have one less fan or two less fans if you're going push/pull.
 
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post #5 of 9
My advice is the same as the guy from singularity computers

Get the biggest rads your case can fit = more cooling
Sure more fans... but... You can then run the fans on lower speed = less noice

4 or even 6 fans on very low rpm does not make as mutch noice as 2 fans going full rpm. ( tested and I can confirm )
post #6 of 9
Adding fans of f the same make and model has little implication on noise: http://www.silentpcreview.com/forums/viewtopic.php?t=19297

Get the bigger rad thumb.gif
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post #7 of 9
I would go with the two 360s.
It probably wont much of a difference with noise or temps either way though. Like claes said, more fans of the same type does not necessarily equate to more noise.
If you want it to be as quiet as possible you may want to look into a fan controller, or some "step down"resistors to have the fans spin at a lower speed. The Corsair fans I have in my case all have the step down resistors.
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post #8 of 9
I would go with 2x360, even if you need to go with a thinner rad due to space limitations, it will perform better especially with low rpm fans.

If you have not intentions of using more than 1000rpm, I would advise sticking with a thinner radiator with low fpi as well. Thicker radiators and ones that have high fpi tend to favor around 1200rpm+.

I always try to have more radiator surface area than necessary. This lets you keep the fans slow, and habe good cooling ability.

If you plan to ramp up speeds at any time for benching runs, then I would consider mid thickness radiators. But anything over 45-55mm tends to suffer under 1000rpm.
Edited by EMUracing - 4/16/17 at 11:08pm
post #9 of 9
Why not consider 280mm rads?

If you don't already have the 360 radiators, I think 2x280mm is the best option. 2x280 is right inbetween 2x360 and 360+240 in terms of surface area.

2x280 gives you 78400mm^2 of surface area
360 + 240 gives you 72000mm^2 of surface area
2x360 gives 86400mm^2

however, with the 280 rads you'll have 2 benefits
140mm fans can be run at slower speeds for the same amount of airflow as 120mm fans
you wont be restricted to running slim radiators only, as you would be with 2x360
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