Lenovo Neptune powers the greenest and most efficient HPC and AI systems in the world, reducing energy consumption by up to 40%

• Lenovo is ranked #1 on the Top500 Supercomputer and Green500 lists

• Neptune systems deliver up to 100% heat dissipation and achieve a PUE of 1.1

• Hot water cooling works up to ~45°C, so no cold water is required

SYDNEY, November 27, 2025 /PRNewswire/ — Lenovo today announced an expansion of its offering Neptune liquid cooling technology across its data center portfolio and drives sustainable infrastructure for the age of AI. Designed to meet the increasing computing and power needs of modern data centers. Lenovo Neptune Enables the operation of servers with approx 40% less power than air-cooled systemsto ensure consistent performance while reducing environmental impact.

Lenovo continues to expand its leadership in energy-efficient computing. As of November 2025, Lenovo ranks 1st place in both the Top500 and the Green500 Lists powered significantly by Neptune-enabled supercomputers that deliver world-class performance with industry-leading sustainability.

A cooling approach…