Hotter Than a Hot Tub: The 45°C Breakthrough to Cool AI’s Biggest Machines

	Hotter Than a Hot Tub: The 45°C Breakthrough to...

Hot tubs sit at about 38 to 40 degrees Celsius, warm enough that most people can only soak for about 15 minutes. NVIDIA’s newest AI servers can run their cooling liquid even hotter — up to 45 degrees Celsius, or 113 degrees Fahrenheit. That higher temperature limit is precisely what makes them more energy efficient. […]

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Posted: June 22, 2026 | By: Wissen Schwamm

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Hotter Than a Hot Tub: The 45°C Breakthrough to...