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Dual System Waterloop Question

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Posted · Original PosterOP

I am building a custom case that has 2 motherboards in it. I want all the CPUs and GPUs watercooled. 


System 1:


2x EVGA 2080 Tis (XC with EK water blocks added)

I7 8700k OC to 4.9


System 2


2x E5-2697 v2

2x EVGA 1070 (EK Water blocks)


I currently have this pump:



If I go with 2 separate loops, I would need to sell that pump and buy 2 more regular D5s or something. I would like to not do that. So my thoughts were to create 1 big loop or put a splitter coming out of the pump and split between the 2 systems, and another splitter on the inlet of the res so that they come back together. 


is this a dumb idea?


Both systems will always be running and they can both be powered down at the same time.

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Your current pump will be fine it's plenty powerful. If you really want to help it let it pump the liquid to the highest point in the loop first and then let gravity assist the pump in pumping the liquid downwards.

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Isn’t a dual loop if you only have one pump. 
But it’s strong enough to handle them both, assuming the average amount of rads are being used. 

I’d be more concerned about pump trigger unless it will always be on the primary system which will always be running. 

Main RIg Corsair Air 540, I7 8700k, ASUS ROG Strix Z370-H, G.Skill TridentZ 16GB, EVGA 1080TI SC Black, EVGA 850 GQ, Acer xG270HU 2560x1440@144hz


Spare RIg Corsair Air 540, I7 4770K, Asus Maximus VI Extreme, G.Skill Ares 32Gb, EVGA 1080sc & 1060 SSC, Corsair CX850M, Acer KG251Q 1920x1080@240hz 


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