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What would be the best rads for low rpms?

post #1 of 8
Thread Starter 
HI,

Im a newbie in terms of water cooling, and planning a new build soon, and want to go water, so i come to you guys for some advise.

What would be best rads for a very low rpms fans? wondering if Thicker and low FPI would be the best for low rpm fans?

Thanks for your time,
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post #2 of 8
Alphacool NexXxos rads. IIRC, they all have 10/fpi grills.

I only use alphacool rads because they are all copper, the tank, housing and fins are all copper and I like to run 1,000rpm fans on them at 5v, which brings them down to about 400rpm.

Alphacool rads also come in 30mm, 45mm, 60mm and 80mm thicknesses.
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post #3 of 8
If you are going for low speed for low noise, surface area is key you want thin rads with tons of surface area(read as many fan spaces).

What are you cooling and what are your goals in terms of cooling?
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post #4 of 8
Quote:
Originally Posted by Sean W. View Post

Alphacool NexXxos rads. IIRC, they all have 10/fpi grills.

st30 = 14fpi
xt45 = 12 fpi
ut60 = 10 fpi
monsta = 10

The most important question: What case do you plan to use?
What rads would be best depends on much room you have in your case, how much you want to spend, and how much you want to spend. It also relies on how much you want to spend.

**Edited**
Edited by pc-illiterate - 1/23/16 at 8:38pm
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post #5 of 8
Thread Starter 
Thanks for your replies,
Quote:
Originally Posted by somebadlemonade View Post

What are you cooling and what are your goals in terms of cooling?
A i7 5820K (or similar on broadwell/Skylake E) and two GTX980Ti (or two of pascal top end models)
Quote:
Originally Posted by somebadlemonade View Post

If you are going for low speed for low noise, surface area is key you want thin rads with tons of surface area(read as many fan spaces).?
Im interested on your comment about "you want thin", im a little confused here, Hardware Labs Black ICE SR2 say their rads are optimized for sub 800rpms fans, and they are 60mm thick, can you elaborate more about why thin is better?

Quote:
Originally Posted by pc-illiterate View Post

The most important question: What case do you plan to use?
What rads would be best depends on much room you have in your case, how much you want to spend, and how much you want to spend. It also relies on how much you want to spend.
I haven't set a budget, nor a case yet, but im considering cases from Phantek and Caselabs, i would like to spend the least i can achieving a very quiet setup, but for having a budget roof, $3k is the most im willing spend on cooling and case.
Edited by Abula - 1/23/16 at 9:20pm
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GameMi
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post #6 of 8
I think these 2 pics from Stren's testing should sum up everything:

Warning: Spoiler! (Click to show)


In short, it would appear EK's XE radiator simply dominates across the board. Granted this is for 360 rads only, but XE 240's thermal performance was equally good, just the build quality of the review sample was lacking.
post #7 of 8
Quote:
Originally Posted by Abula View Post

Thanks for your replies,
A i7 5820K (or similar on broadwell/Skylake E) and two GTX980Ti (or two of pascal top end models)
Im interested on your comment about "you want thin", im a little confused here, Hardware Labs Black ICE SR2 say their rads are optimized for sub 800rpms fans, and they are 60mm thick, can you elaborate more about why thin is better?
I haven't set a budget, nor a case yet, but im considering cases from Phantek and Caselabs, i would like to spend the least i can achieving a very quiet setup, but for having a budget roof, $3k is the most im willing spend on cooling and case.

hes saying a larger, thin rad is better than a smaller thick radiator.

so a 30mm 360 is better than a 60mm 240. Its just the way it works. thumb.gif

I only use Alphacool rads. thumb.gif
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Super quiet
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post #8 of 8
Quote:
Originally Posted by Abula View Post

HI,

Im a newbie in terms of water cooling, and planning a new build soon, and want to go water, so i come to you guys for some advise.

What would be best rads for a very low rpms fans? wondering if Thicker and low FPI would be the best for low rpm fans?

Thanks for your time,
For low-rpm fan use, certainly the Alphacool rads are good, I had a 480 Monsta in my TJ07, which worked very well at low fan speeds.
Also wanted to add another, good low rpm fan rad that I've been using for a few years now, the XSPC RX-series.
Stren also did a good review on the RX-360:
http://www.xtremerigs.net/2015/02/12/xspc-rx360-v3-360mm-radiator-review/
Mine are the older version 2 rads, still working great.
    
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