Watercooling 980ti (beginner)

culr · Mar 21, 2016

Looking at buying 2/3 of these for a possible new build, never water cooled a gpu before and these seem to be as plug and play as they can be?

https://www.scan.co.uk/products/6gb-evga-gtx-980-ti-hydro-copper-gaming-pcie-30-7010mhz-gddr5-gpu-1140mhz-boost-1228mhz-cores-2816-3

What else would I need to buy to set these up to be water cooled in sli?

And again for tri-sli?

What would be a good motherboard to go with for a sli/tri-sli water cooled set up with these?

Little bit lost!

gilbadon · Mar 21, 2016

Water cooling is a complex process. It is not something to take lightly and is a hobby purely because it is a very time consuming and extreme process.

We need to know if you are also going to water cool the CPU, what case you have, what other parts you have, etc...

Please read this sticky and ask any questions that it does not answer or you do not understand.

http://www.tomshardware.com/forum/277130-29-read-first-watercooling-sticky

culr · Mar 21, 2016

gilbadon :

Case is old, can easily be replaced.
Mobo is a asus sabertooth x99
cpu is already watercooled but with a seperate all in one water cooler.

case is a xigmatek elysium

gilbadon · Mar 21, 2016

So if you wanted to water cool the GPU's and CPU together (which you should if you are already doing 2/3 GPU's), you will need to sell or get rid of the AIO cooler.

You will need 120mm Radiator per component plus an additional 120mm.
GTX980TIx3 = 360mm
CPU = 120mm
Total Radiator Needed: 600mm (one 360mm and one 240mm will work)

You will need to heavily mod your current case or buy a new one to fit those radiators. I would recommend the Fractal Define S Window version (what I have, no CD bays, beautiful).

That means you need 5x120mm static pressure fans with a 3 fan and 2 fan PWM splitter to connect them into your CPU motherboard fan headers.

You will need a pump with a lot of head pressure to push water through the components. I would recommend any DDC pump as they have good static pressure.

You also need a res. The larger the better, but anything above 100mm will do.

You need 2 fittings per component as a general rule of thumb but there are many things that make this rule not true, for example you can connect a pump and reservoir with a male to male connector instead of using 2 hose connectors.

CPU, GPUx3, Reservoir, Pump, and Radiatorx2 = 16 hose fittings.

Much more to go over and there are a lot of little details I have not gone over. As I said, it is not easy

culr · Mar 21, 2016

gilbadon :

So if you wanted to water cool the GPU's and CPU together (which you should if you are already doing 2/3 GPU's), you will need to sell or get rid of the AIO cooler.

You will need 120mm Radiator per component plus an additional 120mm.
GTX980TIx3 = 360mm
CPU = 120mm
Total Radiator Needed: 600mm (one 360mm and one 240mm will work)

You will need to heavily mod your current case or buy a new one to fit those radiators. I would recommend the Fractal Define S Window version (what I have, no CD bays, beautiful).

That means you need 5x120mm static pressure fans with a 3 fan and 2 fan PWM splitter to connect them into your CPU motherboard fan headers.

You will need a pump with a lot of head pressure to push water through the components. I would recommend any DDC pump as they have good static pressure.

You also need a res. The larger the better, but anything above 100mm will do.

You need 2 fittings per component as a general rule of thumb but there are many things that make this rule not true, for example you can connect a pump and reservoir with a male to male connector instead of using 2 hose connectors.

CPU, GPUx3, Reservoir, Pump, and Radiatorx2 = 16 hose fittings.

Much more to go over and there are a lot of little details I have not gone over. As I said, it is not easy

are there companies/people you can send PCs to/come to you to fix up a watercooling set up?

gilbadon · Mar 21, 2016

I would not be able to confirm that for the UK. My guess is because you have EKWB locally, they may have a program to do that.

coozie7 · Mar 21, 2016

Just a little chip in but you could try Scan or Overclockers to start with, AFAIK both supply custom rigs, but be aware, the cost is likely to be very high.

Since the EVGA card uses an EKWB full cover block it should be fairly simple to connect two via a block like this: https://www.overclockers.co.uk/ek-fc-bridge-dual-parallel-3-slot-csq-plexi-wc-276-ek.html, check out the spacing photo though.

As Gilbadon points out, a big watercooling setup is a complex project which needs careful planning and a considerable amount of research-not to mention deep pockets-to get right. Just getting my own i5 4690k/R9 290 under water has taken a couple of months to get 'just right' so my advice is; Be patient, do plenty of research, proceed at your own pace and only lay down cash when you're (fairly

) certain you know what you want.

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