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399 points giuliomagnifico | 1 comments | 25 Aug 25 17:57 UTC | HN request time: 0.309s | source

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m463 ◴[25 Aug 25 19:58 UTC] No.45018271[source]▶

I wonder what the economics of water cooling really is.

Is it because chips are getting more expensive, so it is more economical to run them faster by liquid cooling them?

Or is it data center footprint is more expensive, so denser liquid cooling makes more sense?

Or is it that wiring distances (1ft = 1nanosecond) make dense computing faster and more efficient?

1. xadhominemx ◴[25 Aug 25 22:42 UTC] No.45020042[source]▶

It’s because the chips are networked with very high bitrates and need to be physically densely packed together.

Google's Liquid Cooling