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1 res, 2 pumps, 2 loops?

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post #11 of 15 (permalink) Old 08-05-2019, 06:38 PM
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https://martinsliquidlab.wordpress.c...s-vs-parallel/

On a single loop, Parallel pumps are not going to provide any real benefit. Serial pumps will.

Also, you really need to separate the res outlets, to one for each pump. At max flow you could slow down the fluid to the pumps going through a single set of fittings.
If you were hoping to separately manage loop temps, you can't do that with a single res.

Suppose you placed both pumps in serial operation with one outlet from the res. THEN run your parallel loop with 2x 360 and one Heat Load on each side.
Same as what you have EXCEPT 2x pumps increase the flow and you have redundancy against one pump failing.

BTW - Wow! a Caselabs Magnum M8! You better put that in the will for your kids.

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post #12 of 15 (permalink) Old 08-06-2019, 06:32 AM
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It should be a problem.
And this is not the typical parallel pump setup. The flow will be like in split loops, but it will have a shared reservoir and loop temps will be equal. But you have a lot of radspace so temps should be fine :-)

I'm looking forward to the result.

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post #13 of 15 (permalink) Old 08-06-2019, 07:23 AM
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Hi,
Four 360mm rads doubt it would matter how many reservoirs there is in your condominium sized case

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post #14 of 15 (permalink) Old 08-06-2019, 08:03 AM
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Two loops is completely unnecessary. You won’t see more then a degree of temp difference in any part of your loop so no need to separate them.
Plus even with the M8 you’re going to run into spacing problems. The 2080tis are so big they really limit what can go in the front bays.

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post #15 of 15 (permalink) Old 08-06-2019, 08:12 AM
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Quote: Originally Posted by Sean W. View Post
Hey guys,


I am thinking about doing a build in a massive case, I want to do 2 loops, but I dont quite have enough space to do 2 tube reservoirs like I would like to do, but I do have space for one huge one.

Can I have one res feed 2 pumps separately for two separate loops, one for the graphics cards and one for the cpu then come back to the res? In theory I don't see why it wouldn't work, but perhaps there is something I'm not thinking of.

Kinda like this, excuse the terrible lines, I did this on my laptop in 2 minutes
It would work, but why would you do this?

By "splitting" the loop like this, you get no redundancy and less of a pressure increase than you would get with the 2 pumps in series.
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