Advice for watercooling workstation (only GPUS).

shambleresp · Apr 2, 2017

Hi, i'm mounting this for render with 7 GPUS, 3 Titan Maxwell and 4 GTX 980TI (6 with EK-FC full-cover water block and one software dedicated with a raiser):
Asus Z10PE D8 WS Socket 2011v3
2 Intel Xeon e5 2683v3
Crucial Premium memory registered 8 x 8GB
Samsung 850 EVO Basic 500GB
Super Flower Leadex 80 Plus Platinum 2000W Modular
Cooler Master Hyper 612 V2 - CPU x 2
Thermaltake Core X9 LCS Negro - Caja/Torre D5 LAING
Windows 10 Pro.

Becoming mad with water cooling the GPUS, can anyone help me pls?

1/ Will be enought with 2 D5 laing pumps? what do you think is better Dual loop, 2 pumps in series or 2 pumps in parallel?

2/ For the multiple waterblocks connectivity, i first considered 3 Terminal DUAL Parallel 2-Slot, latter 2 Terminal DUAL Parallel 3-Slot, and the other GPU air cooled, but now i'm considering also a full 7 terminal...
Any advice will be great, ty.

Lutfij · Apr 3, 2017

1| You would benefit if your loop was in parallel. You can try and take a look into the watercooling sticky(linked in my sig) to learn more.
2| You can only do 4 way SLI per their product specifications page.
3| You may want to go through this video by Linus but he used AMD's cards and had them in crossfire.

shambleresp · Apr 3, 2017

Lutfij :

1/ Ty Lutfij, I've been in watercooling sticky v2.0 and i'm still in there

Good to know about the loop in parallel.
2/ No SLI, it's a workstation not to play, i have one riser for one of the GTX 980TI because my software needs a dedicated graphic card and all the others work apart (iray render), thats the reason my first idea was let this one air cooler due to his "low work" to do, and the others remove the dual-slot brackets (contemplated full risers but don't like the idea yet not discarded totally), this left 3 titan and 3 980ti all maxwell with the same EK-FC full-cover water block..., what do you think go for 2 bridges dual parallel 3 slot or is there any 6 slot terminal bridge? can't see in EKWB store, there is dual, triple, quad and hepta...can use an hepta and left one bridge locked? (also don't discard yet the 7 cards water cooling..)
3/ Do you think i will have problems with Windows 10 Pro to manage all the GPUS? i'm running 3 without problems but can't test all 7 at moment.

Lutfij · Apr 3, 2017

SLI's implementaions are only geared towards gaming. As a developer, you have the opportunity to code the application to take advantage of the multi GPU array though this will be more time consuming than getting by with a single most powerful GPU.

Honestly that sort of ludicrous GPU slot usage isn't documented by an end user let alone have the budget to do what you want to do so this would be a first in my opinion to see you try and manage the 7 GPU's. About the OS, so long as the drivers go on without any issues and you PSU doesn't have a hiccup, you'll be fine.

shambleresp · Apr 6, 2017

Lutfij :

Hi, tyvm, SLI have a bad effect in the render software i want to use.
Think to go for serial pump to secure an effective backup: https://martinsliquidlab.wordpress.com/2011/04/26/pump-setup-series-vs-parallel/ what do you think?
Also i'm doubting betwen this : https://www.ekwb.com/shop/ek-fc-terminal-hepta-semi-parallel removing dual-slot brackets and full (7) GPUS water cooling or 2 of this: https://www.ekwb.com/shop/ek-fc-terminal-triple-serial OR https://www.ekwb.com/shop/ek-fc-terminal-triple-parallel with risers and don't removing the brackets...
Which is better with the 2 serial pumps configuration?

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Advice for watercooling workstation (only GPUS).

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