BusinessLine·2025-11-28 06:20Core Insights - Lenovo is expanding its Neptune liquid cooling technology across its data center portfolio to enhance sustainable infrastructure for AI, achieving approximately 40% lower power consumption compared to traditional air-cooled systems [1][6]. Company Developments - As of November 2025, Lenovo ranks 1 on both the Top500 and Green500 lists, significantly driven by Neptune-enabled supercomputers that combine high performance with sustainability [2]. - Lenovo's Neptune technology is integral to its mission of achieving net-zero carbon emissions by 2050, focusing on renewable energy, efficient product design, and sustainable data center operations [6]. Industry Trends - The IDC & Lenovo CIO Playbook 2025 identifies sustainability as a top business priority, with data centers facing increased thermal and performance pressures due to rising compute density and energy use as AI adoption accelerates [3]. - Electricity consumption in the Asia Pacific region is projected to increase from 320 terawatt-hours in 2024 to 780 terawatt-hours by 2030, driven by the demand for AI, cloud, and advanced digital services [7]. Technology Innovations - Neptune Direct Water-Cooling (DWC) technology circulates warm water directly to system nodes, allowing coolant temperatures up to ~45 °C, which eliminates the need for chillers and reduces reliance on air-handling units [4]. - The sixth-generation Neptune systems feature advanced water-based cooling architectures that support higher rack densities and efficient operations without specialized air conditioning [5]. Performance Metrics - Lenovo's ThinkSystem SR780a, powered by Neptune, has achieved a Power Usage Effectiveness (PUE) of 1.1, indicating a highly efficient data center environment where only 0.1 watts are used for cooling [10]. - Neptune technology has demonstrated a 20% increase in performance at DreamWorks Animation while reducing cooling requirements, showcasing its effectiveness in demanding workloads [11].