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Ideas for a pump? (Restrictive System) - Page 2

post #11 of 24
Quote:
Originally Posted by analysts View Post
One DDC pump is absolutely not enough for
1 CPU + 2 GPU + 1 MB + 9*140 Rad
This rad is really huge
You want silence, so u r not gonna run the pump at full/max speed, r u?


I thought it was 6*140.....
I is stupid.....
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post #12 of 24
I have 1 CPU+2 GPU+1 MB+1HDD Waterblocks + 12*120 RADs + 7 pairs Koolance QDC Fittings in my loop. Two PMP400 provide flowrate about 230 l/h. One pmp400 - 150 l/h.
IMHO one DDC+ is enough for any hard loop but i prefer to use two pumps with lower RPM - more reliability with less noise.
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post #13 of 24
Just because of the redundancy I would go for dual DDC atleast.
    
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post #14 of 24
Two MCP350 DDC-1 pumps would work just fine. Those are low noise and nearly silent.

What is restricive in a loop is primarily the CPU water-block. The RADs have very small to nothing for loop restrictions unless the inlet/outlet fittings are 90 degrees. The headache is to burp out all of that air in the system.

A flow sketch/diagram would be helpful to really understand the loop layout for restrictions before buying componets and making an under-kill or overkill loop.
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post #15 of 24
Thread Starter 
Devvon
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post #16 of 24
Hey Devran, I'm thinking of setting up a loop similar to yours. What are you going to do to hook up all the fans on the MO-RA3?
post #17 of 24
Thread Starter 
believe me renkenkyo, that is the only question that is left in my system. literally! but I might hook them with noctua fans. I believe they make the most silent fans and mo-ra doesn't need that much of a power from fans.

http://www.xtremesystems.org/forums/...d.php?t=265723

as bundy reviewed them, you can see that there's only 1c of delta t decrase when rpm of fans increase from 800 to 1200. thats with noiseblocker fans with system at full load on 2x gtx480s and i7 920 @4Ghz.

at the moment I believe the noctua fans are ideal however as I said at the beginning I don't have the answer for that question yet.. as I do the research -hopefully in 2 days- I can reply you back again. in the meanwhile, I'd also appreciate you telling me if you've come to any conclusions
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post #18 of 24
I would actually go for S-Flex Es for that rad; better-looking and quieter while still providing adequate airflow.

Too bad I didn't see this until now, though...
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post #19 of 24
Careful.. the restriction can be very high on some motherboard blocks, many times more than one CPU block:

http://skinneelabs.com/asus-r3e_blocks/5/

It may require more than one pump to avoid air pockets getting stuck...
    
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post #20 of 24
Quote:
Careful.. the restriction can be very high on some motherboard blocks, many times more than one CPU block:
http://skinneelabs.com/asus-r3e_blocks/5/
It may require more than one pump to avoid air pockets getting stuck...
Will two MCP355's on a koolance RP-402x2 work?
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