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GPU watercooling?
http://www.silentpcreview.com/forums/viewtopic.php?f=21&t=69398
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Author:  bgibson [ Sun Aug 28, 2016 5:45 pm ]
Post subject:  GPU watercooling?

Hi all, I just did a search of this subforum for "GPU", both post titles only and first post body content, and got zero results. Am I doing it wrong or is there actually no discussion on liquid cooling of GPUs?

I ask because it seems much of the engine noise in high-performance rigs is coming from the small-diameter high-frequency onboard GPU fans. Whereas CPU fans can be replaced with much larger, slower but higher-throughput ones, it's more difficult to do that GPU fans, one because there's often no room in the PCIe expansion board area, and two b/c it voids the manufacturer warranty.

I see there have been a few SPCR articles in the past of GPU liquid cooling kits, but none very recent (NZT Kraken and Arctic Accelero from 2014 seem to be the latest). What's the current state of GPU liquid cooling and why the apparent lack of discussion on it?

Author:  edh [ Mon Aug 29, 2016 11:26 am ]
Post subject:  Re: GPU watercooling?

Water cooling is generally not the best way to a quiet computer as a pump will always make some noise and this applies to graphics cooling too.

Also aftermarket air coolers are good enough that there is not much need. You can cool 130W passively with an Accelero S3 and if you need more, add fans. Why is it an issue that you might take up another expansion slot? What else might you do with the expansion slot?

Author:  Abula [ Mon Aug 29, 2016 3:02 pm ]
Post subject:  Re: GPU watercooling?

Todays gpus, even high end, if you chose carefully, you will end up with quiet setup. Brands that have been quiet over last 3 gens have been MSI, to some point Asus, now a days EVGA, Palit and Zotac are doing good jobs on quiet operation on their latest gpus, but not on all models you do need to chose carefully.

Now is there are a place for water on quiet computing? definitely, but to me is on SLI of high end cards, where air starts to suffer due to the space restrictions and the heat building makes air not as efficient, i experience a lot of noise with SLI of Asus GTX970s, and then a lot lower with MSI GTX980Ti, but still on demanding games and hot days.... it was noticeble to say the least, i do think i would have ended with a much quieter setup if i were to have gone water with either setups, now im back to single gpu and its fine on air.

To recap, i do think watercooling GPUs is a good idea when you either going multiple gpus or if you plan to OC.

Author:  Fire-Flare [ Mon Aug 29, 2016 3:20 pm ]
Post subject:  Re: GPU watercooling?

My rig is watercooled, CPU and GPU.

There are lots of options for GPU waterblocks, and there are PWM pumps these days that can run at low speeds. (Silently in my case)

EVGA makes video cards with waterblocks factory-installed (I believe they're EK rebrands) and they perform quite well.

Author:  Derek Semeraro [ Tue May 01, 2018 5:29 pm ]
Post subject:  Re: GPU watercooling?

Watercooling a GPU is viable, however, GPU's do not benefit from it as much as CPU's. The cost-benefit of watercooling on CPU's is already not very good, so it's especially not worth it for GPU's.

Author:  Olle P [ Fri May 04, 2018 3:59 am ]
Post subject:  Re: GPU watercooling?

Derek Semeraro wrote:
... The cost-benefit of watercooling on CPU's is already not very good, so it's especially not worth it for GPU's.
I disagree. Given that you do use water cooling for the CPU it's almost stupid to not also include the GPU in the loop.

I have a bunch of water cooling components waiting for installation in my computer. The passively cooled convector will be wall mounted (separated from the computer case) so I will need less air flow through the case.

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