this post was submitted on 25 Jun 2026
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They're using water cooling directly on each component, swapping heat sinks for water blocks. It's not a new idea, water cooled PCs have been doing it for a very long time, but never done at data centre scales as far as I know.
The world's fastest computers have been using them for a very long time. Though not data center sized, they are usually 100+ racks.
I thought that water cooled server gpus have been around for a while now, maybe I am mistaken.
Given how long water cooling has been around, I'm certain that technology is nothing new. I remember Linus Tech Tips trying to do something similar, where they water cooled all the video editing PCs on one big system.
Doing it on the scale of a data center will be something new though.