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I watched Nvidia's Computex 2024 keynote and it made my blood run cold
(www.techradar.com)
This is a most excellent place for technology news and articles.
I have personally worked on a project where we replaced several older nodes in datacenters with only one modern one. That used more power than two older nodes combined, but since we were shutting down 15-20, we saved a lot of power. Not every replacement is 1:1, most aren't.