Accelsius two-phase cooling outperforms single-phase on Nvidia B200 server
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Independent Benchmarks Show Accelsius Two-Phase Direct-to-Chip Cooling Delivers 9°C Lower NVIDIA B200 Junction Temperatures Than Single-Phase in Warm-Water Conditions
July 21, 2026 8:00 AM EDTThird-party testing across roughly 40,000 operating points, detailed in a new white paper, found that Accelsius NeuCool® improved liquid cooling performance at warm facility water temperatures from NVIDIA's new standard of 45°C to as hot as 54°C.
AUSTIN, Texas--(BUSINESS WIRE)-- Accelsius, the leader in two-phase, direct-to-chip liquid cooling technology for AI and high-performance computing, today announced results from independent third-party benchmark testing demonstrating that two-phase direct-to-chip liquid cooling better supports NVIDIAs goal of enabling global free cooling with warm facility-water temperatures. The results show that single-phase performance at 45°C facility water can be matched by Accelsius... More

