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Seperate Loop

post #1 of 10
Thread Starter 
Hey,
I dont have watercooling and dont know much about it, but i was reading a recent post about running them in paralell instead of series. What about giving the CPU and GPU seperate loops and rad's?

I have attached an example of what i mean. I assume you would need a stronger pump but would it give better cooling? some one try -rep me if everyone does this already, lol
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post #2 of 10
I don't think it is done, seems like it would be costly (basicly 2 seperate setups), and would not help much more than just adding the GPU to the CPU loop.
post #3 of 10
I'm sure it's been done before, but the radiators would come before the waterblocks to ensure that the CPU/GPU get the coolest water. Also there's no resevior in your schematic.

Edit: There are plenty of pumps out there strong enough to handle the flow; however, it's not necessary because GPU's run better warm than 'too cold,' so you don't need the GPU to be super cool. This is why you don't see many of these setups. It makes sense just to go from the CPU to the GPU and back.
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post #4 of 10
Thread Starter 
lol - told you i didnt know much about water cooling, lol - i know there should be a resevour but i didnt know the rads came before the blocks.
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post #5 of 10
Hey Jester,

You get a +rep, just for being brave enough to post a chancy idea.

I find it fun and useful to toss around such ideas, even if they're not worth implementing.

Here are the problems as I see them, and I hope others will chime in if I'm wrong or they want to add something.

Firstly, you're adding cost and complexity, particularly with the second pump.

Secondly, you now have two systems that could fail instead of one, and if either fails you're toast, so there's more risk of failure.

Thirdly, and this is kinda fun to think about, the two loops will not be perfectly matched, so one will be hotter than the other. It might be better to have one loop, so that cooling is averaged out, rather than separate loops, where one might run hotter. I dunno, but it might be fun to ponder.

Thanks for giving me the change to ponder and ramble.
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post #6 of 10
double the pumps, hoses, rads, fans, shrouds, junctions, clamps, power consumption--but probably less than that returned in extra cooling capacity.

For a show rig where expense isn't even a consideration I would think that would be awesome--more like dual systems for a dual processor workstation, dual Vcard (SLI/Crossfire) setup--with a seperate system for each CPU/GPU--could even be done like a mirror image with contrasting fluid color--it would look awesome--but then again it's an over the top type set up.

I had planned out a $11.000 (in Hardware)Water Cool build that water cools everything-- 600 watt PSU, 11 HDDs(1 SCSI Cheetah320, 2 SATA Raptors in RAID 0, 6 SATA in RAID 0+1, 2 PATA in RAID 1, 2 CPUs (2 Xeon) 2 GPUs (7800GTXs)--and that was going to have 3 pumps with 3 3 X 120 Rads.

And then found out we had a baby coming--maybe next year...

Just to say--nothing wrong with a little over the top modding and building--but not exactly the most bang for the buck.

EDIT: the eleven Koolance soft pack drive chillers and associated plumbing were totalling about a grand lol.
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post #7 of 10
Quote:
Originally Posted by CyberDruid
I had planned out a $11.000 (in Hardware)Water Cool build that water cools everything-- 600 watt PSU, 11 HDDs(1 SCSI Cheetah320, 2 SATA Raptors in RAID 0, 6 SATA in RAID 0+1, 2 PATA in RAID 1, 2 CPUs (2 Xeon) 2 GPUs (7800GTXs)--and that was going to have 3 pumps with 3 3 X 120 Rads.

Just to say--nothing wrong with a little over the top modding and building--but not exactly the most bang for the buck.
Agreed, and awesome idea. How did you plan to WC your PSU?
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post #8 of 10
http://209.47.233.50/acb/showdetl.cf...t_ID=267&DID=8

That's the little one--there is a big one--looking for link now
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post #9 of 10
This is where I first heard of it...being done by a modder that is... http://www.digital-explosion.co.uk/i...p?articleID=65
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post #10 of 10
Quote:
Originally Posted by CyberDruid
http://209.47.233.50/acb/showdetl.cf...t_ID=267&DID=8

That's the little one--there is a big one--looking for link now
Oh man, that's awesome. Thank the Gods I didn't know about the bigger one, or I would have had to buy it.

Quote:
This is where I first heard of it...being done by a modder that is... http://www.digital-explosion.co.uk/i...p?articleID=65
Okay, replaces the heatsinks with waterblocks--very cool. A lot of work though... I'll have to give my PSU a close listen. I got the quitest conventional one I could find--12cm fan, etc.

I'll look around for the bigger one, just for fun. Thanks!
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