Google's Liquid Cooling

https://chipsandcheese.com/p/googles-liq...
Aug 25, 2025, 05:57 PMgiuliomagnifico
170

Comments


I once saw an interview with the SVP who oversees Azure datacenter buildout or something like that a...read more

yklAug 25, 2025, 09:27 PM

It’s very odd when mainframes (S/3x0, Cray, yadda yadda) have been extensively water-cooled for over...read more

jonathaneuniceAug 25, 2025, 06:58 PM

In theory data center cooling is simple - CPUs run at 60-70C, while the outside ambient is usually 3...read more

pjdesnoAug 25, 2025, 10:17 PM

> TPU chips are hooked up in series in the loop, which naturally means some chips will get hotter li...read more

michaeltAug 25, 2025, 06:51 PM

I wish I could be as excited as I used to be about Google's infrastructure. But with their constant ...read more

ehntoAug 26, 2025, 06:06 AM

That's pretty much the way it had to go, other than doing full immersion cooling like GRC that never...read more

anon6362Aug 27, 2025, 04:22 AM

Kind of related from B1M...>The Paris Olympic Pool is Heated by the Internet>https://www.youtube.com...read more

hnburnsyAug 25, 2025, 08:55 PM

I see frequent mentions of AI wasting water. Is this one such setup, perhaps with the CDU using the ...read more

BoppreHAug 25, 2025, 07:05 PM

I wonder what the economics of water cooling really is.Is it because chips are getting more expensiv...read more

m463Aug 25, 2025, 07:58 PM

I’ve always wondered: what if we could actually use this heat? For example, could we take the heated...read more

bilaterAug 26, 2025, 04:15 PM

Between 2006 and 2012 I was in DCs. I didn’t live there but I had to visit at stupid o’clock too oft...read more

ianpenneyAug 25, 2025, 09:58 PM

> In theory, a PC builder could try exchanging heat to a toilet tank, allowing for highly efficient ...read more

flakesAug 26, 2025, 07:09 AM

What I don't understand is why not use what I've seen in industrial processes? Why not a low boiling...read more

nwmcsweenAug 25, 2025, 09:57 PM

OVH has been doing liquid cooling for quite a while, and is now using immersion also. Somewhat surp...read more

tyingqAug 25, 2025, 11:32 PM

How much moat Google has in the AI race due to its in-house expertise in data centers and in-house I...read more

miohtamaAug 25, 2025, 08:59 PM

>"Google extensively validates components with leak testing, uses alerting systems to discover probl...read more

hnburnsyAug 25, 2025, 08:45 PM

Relevant.OVH has been using liquid cooling for many years:https://blog.ovhcloud.com/new-hybrid-immer...read more

betabyAug 25, 2025, 06:28 PM

Seeing in "installation & commissioning" mention of "Leak testing" reminds me of the PowerMac G5 liq...read more

adolphAug 25, 2025, 11:28 PM