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Help with pump! loop too long?

post #1 of 11
Thread Starter 
Hey all,

Iv'e been reading into water cooling for a while and want to cool an i7, HD 4870 X2 and the mobo (gigabyte X58 Extreme). I want to try and do this on one loop, with one pump and two 120.2 rads. What pump will handle this loop???

reservoir -> pump -> 120.2 -> CPU -> 120.2 -> MOBO -> GPU -> reservoir

I figure the mobo wont heat the water too much (on board mini rad) and the GPU is designed to handle up to 90 degrees, so thats why i put it where it is.
Note: the mobo already has water cooling functionality built in (so no block) - aswel as a tiny rad.

Heres my shopping list so far:

CPU block: K350 CPU Block w/ 1366 back plate
GPU block: EK-FC4870 X2 CF (Acetal)
Radiators: XSPC RX260 x 2
Fans: Gentle typhoon
Tubing: Primoflex Blue UV Tubing 1/2" ID
Fittings: DD Fatboy 1/2" fittings
Pump: MCP355? or MCP650?

The K350 manual states it needs a minimum head height of 2.1m, and 4m+ is optimal.
The MCP355 pump has a head height of 4.5 m, but i'm going to be putting more than just the CPU block in this loop!
The MCP650 has a much higher flow rate, but a lower head height (so i guess thats out the question?)

My case is an antec 1200, with 7 drives so space at the front is limited (thats why i dont have a 120.3 in there). I want to over clock, but not by crazy amounts, and i want a quiet rig. Are these radiators going to do the job?

I have a nice sized budget, but space is a problem.

This newb would apreciate any help!
ty ~{
post #2 of 11
I have seen people "Cut" the loop because it's been too long, then they reconnect it. I don't know much about this but i thought i should add this. I may be wrong.
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X79-GCN
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post #3 of 11
Both pumps will serve you well. 655 from what I hear is quieter but I own a 355, and I can't hear mine. 355 LOVE restrictions its like nothing to them. I can't say much about the 655.
post #4 of 11
Quote:
Originally Posted by DroptOut View Post
My case is an antec 1200, with 7 drives so space at the front is limited (thats why i dont have a 120.3 in there). I want to over clock, but not by crazy amounts, and i want a quiet rig. Are these radiators going to do the job?
I'm going to say (Confidently) yes.

I'm essentially running a similar loop to yours (Res>120.2>CPU>240stealth>gpu)
on a much older, inefficient (and therefore extremely hot) processor, and my loop manages it fine.

I've also got it housed internally, which can't be good for temps (But gives me the desired look/practicality)

For the record, i use a 655 pump and it's extremely quiet and does the job. I wouldn't concern myself too much - i assume they're all up to the job.

I think watercooling anything else other than the CPU and GPU is a bit excessive (And won't exactly make upgrading a smooth process) but all to their own.
Edited by Thingamajig - 4/19/11 at 9:51am
post #5 of 11
Thread Starter 
[quote]I have seen people "Cut" the loop because it's been too long.[QUOTE]
I see, don't think iv'e heard of this.. will give it a google

Quote:
Both pumps will serve you well. 655 from what I hear is quieter but I own a 355, and I can't hear mine. 355 LOVE restrictions its like nothing to them. I can't say much about the 655.
LOVE restrictions?? On the grand scheme of things im still very much a noob, whats this acronym stand for?

Quote:
I've also got it housed internally, which can't be good for temps (But gives me the desired look/practicality)
What kinda temps do you achieve? and what case have you managed to cram it all into? have you used push/pull combo on the rads? any sheath?

@ all: Thanks for your quick replies guys, much apreciated ^^
post #6 of 11
Love as in they were born for restrictions.

Sent from my DROIDX using Tapatalk
post #7 of 11
Your radiators will do the job.

The MCP355 is just slightly more powerful than the MCP665.
The 655 will do unless you want to got the 355...
As said above, the 355 will do much better with a VERY restrictive loop.
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post #8 of 11
Quote:
Originally Posted by triangle View Post
Your radiators will do the job.

The MCP355 is just slightly more powerful than the MCP665.
The 655 will do unless you want to got the 355...
As said above, the 355 will do much better with a VERY restrictive loop.
Que? The 655 can do 50psi and max of 317gph.
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post #9 of 11
Quote:
Originally Posted by Rangerscott View Post
Que? The 655 can do 50psi and max of 317gph.

I got them mixed up...
It's in pieces
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It's in pieces
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CoolingCoolingCoolingOS
hwlabs gtx120 hwlabs gts 360 xflow ek fc5870 nickel+acetalx3 changes 
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post #10 of 11
Thread Starter 
@ KBcobra
Thanks for the clarification - theres like a kazillion acronyms floating around these forums and thought it was another one i was yet to learn ^^

@ triangle
thanks for the info! am glad i can do this loop on one pump

@ all
Cheers guys, much appreciated. I just need to figure out how i'm going to cram these rads in then the ordering shall begin }: )
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