AIHackadayabout 9 hours ago
NVIDIA Servers Use Closed-Loop Coolant, No Evaporators
3 min read
NVIDIA's new Ruben architecture servers use a closed-loop glycol-water cooling system that never needs evaporative cooling. The coolant stays between 45 C and 55 C, allowing ambient air over radiators to handle heat rejection. This eliminates water loss from evaporative chillers, addressing data center water conservation concerns.
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