Neptune™ Data Center & GPU Liquid Cooling Technologies

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Why Choose Lenovo for Liquid Cooling Technology?

Lenovo Neptune® enables performance without compromise.

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Performance

Lenovo Neptune® Liquid Cooling boosts CPU, GPU, and system speed, delivering faster results for new server workloads like AI and HPC.
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Sustainability

Meet environmental goals and align with carbon reduction initiatives without sacrificing the ability to deliver the computing power your organization needs to compete and thrive.
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Density

Lenovo Neptune® delivers more computing power in a compact footprint to support your most demanding workloads.
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Competitive Advantage

For faster time-to-market, scientific breakthroughs, or research grants, your business benefits from high-performance computing for quicker results.

Lenovo leads the industry with over 12 years of experience in liquid cooling.


Lenovo infrastructure powers 8 of the world’s top 10 public cloud providers.

Lenovo holds hundreds of patents in liquid cooling technology.

Lenovo’s new Neptune systems deliver up to 100% heat removal.

Discover Lenovo Neptune®Liquid Cooling

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Lenovo Reimagines Liquid Cooling

Watch the Tech World video on Lenovo’s Neptune® Liquid Cooling announcements.

Watch the video

Overview

AI-driven, high-performance applications are pushing system power limits and driving up energy demand. Lenovo’s 6th Gen Neptune® Liquid Cooling solves this with efficient liquid-based heat removal—delivering peak performance while significantly boosting energy efficiency over traditional air cooling.

For organizations needing top-tier AI and HPC performance without existing liquid cooling, Lenovo partners with leading colocation providers to deliver Neptune®-ready infrastructure for private workloads.

Recognized with multiple awards—including HPCwire’s Best HPC Server Product 2023, CRN’s Best Green Energy Product 2024, and the SEAL Sustainable Product Award 2024—Neptune® redefines energy-smart performance.

Neptune® technology includes:

  • Neptune®: Warm water cooling of entire systems, enabling hot water reuse
  • Neptune® Core: Component-level cooling (CPUs, GPUs, memory) to reduce airflow needs
  • Neptune® Air: Liquid-assisted cooling in air-based systems
  • Rear door rack-level water cooling
  • EAR & XClarity Energy Manager for optimized power/performance

Lenovo offers workshops and design services to assess and implement direct liquid cooling tailored to your environment.

High tech, water-cooled servers

Lenovo Neptune®: Liquid Cooling Reimagined

See how 6th-Generation Lenovo Neptune® Liquid Cooling enables the most demanding AI and HPC workloads, dramatically boosting performance and driving energy savings of up to 40%.

“By switching to Lenovo Neptune® liquid cooling, our cluster delivers 4x the performance of our old setup in the same space, boosting processing power to accelerate cutting-edge research.”

- Scott Yockel, University Research Computing Officer, Harvard University

Solutions

Meet Lenovo’s Neptune cooling technologies

Direct water cooling

Neptune®: Direct Full-System Cooling

Full-system direct water cooling delivers 100% direct water cooling of the entire system, removing heat from all components –including power supplies – for completely fanless operation.
Rack water cooling

Neptune® Core: Open Loop Cooling System

Targeted at the hottest components of the system, such as CPUs, GPUs, and memory, Neptune ® Core uses open-loop direct water cooling for up to 80% heat capture with low airflow requirements.
Direct water cooling

Neptune® Air: Liquid-Assisted Cooling

With full systems and core systems available, direct water cooling removes heat from key components – including power supplies – for completely fanless operation.
Liquid-assisted cooling

Reduce Rack Heat With RDHX/CDU Cooling

With either a thermal transfer module (TTM) or liquid-to-air heat exchanger (L2A), traditional air-cooled systems benefit from liquid cooling with specially designed heat handling, without added plumbing.
Energy Aware Runtime & XClarity software

Energy Aware Runtime & XClarity software

By optimizing power states, turning off unused components, and routing workloads to the most efficient resources, our software helps deliver optimal performance at a low level of energy consumption.

Products

Front view of Lenovo ThinkSystem SR665 V3

Lenovo ThinkSystem SC750 V4 Neptune®

Empowering Exascale to Everyscale™: Your Lenovo Neptune® Supercomputer featuring the Intel® Xeon® 6 processor

Front view of Lenovo ThinkSystem SR650 V3

Lenovo ThinkSystem SC777 Neptune

The ThinkSystem SD650 V3 Neptune DWC server is the next-generation high-performance server based on the Lenovo Neptune™ direct water-cooling platform.

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Lenovo ThinkSystem N1380 Neptune Chassis

Lenovo’s next generation of Neptune liquid cooling technologies is designed to address the challenges of new high performance AI applications.

Front view of Lenovo ThinkSystem SR780a V3

Lenovo ThinkSystem SR780a V3

The ThinkSystem SR780a V3 delivers massive computational performance for AI and HPC workloads using 8 fully interconnected NVIDIA GPUs and Lenovo Neptune ® liquid cooling.

Front view of Lenovo ThinkSystem SR675 V3

Lenovo ThinkSystem SR675 V3

From single-node enterprise deployments to the largest supercomputers in the world, the SR675 V3 server can scale to meet any performance demand.

Front view of Lenovo ThinkSystem SD650 V3

Lenovo ThinkSystem SD650 V3

The ThinkSystem SD650 V3 dual-node tray contains Neptune™ cooling technology designed for technical computing, grid deployments, and analytics workloads.

Front view of Lenovo ThinkSystem SD665 V3

Lenovo ThinkSystem SD665 V3

The ThinkSystem SD665 V3 delivers maximum AMD CPU performance, extreme density, and leading energy efficiency.

Front view of Lenovo ThinkSystem SD650-I V3

Lenovo ThinkSystem SD650-I V3

This Lenovo ThinkSystem SD650-I V3 is cooled by Lenovo Neptune™ direct water-cooling technology that results in reliable performance in a dense form factor.

Front view of Lenovo ThinkSystem SD665-N V3

Lenovo ThinkSystem SD665-N V3

Bringing Exascale performance to your AI & HPC workloads, the ThinkSystem SD665-N V3 Neptune ® server delivers maximum NVIDIA GPU performance.

Customer success stories

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Massachusetts Open Cloud Alliance

Lenovo TruScale GPU as a Service (GPUaaS) and Lenovo Neptune® direct liquid cooling allow the Mass Open Cloud Alliance to establish a powerful GPU cluster for groundbreaking research through the simplicity of an easily scalable pay-as-you go model.
Read case study
DreamWorks success story

DreamWorks success story

See how DreamWorks Animation is bringing bigger, bolder ideas to life with Lenovo Neptune®and High-Performance Computing solutions.
Read case study
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University of Pisa

With Lenovo Neptune®, Italy’s largest university supercomputer is transitioning to a more sustainable model. The institution is improving its operational efficiency and setting a benchmark for green computing in academic research.
Read story
Geely Auto R&D success story

Geely Auto R&D

To support the development of groundbreaking green and autonomous vehicles, Geely Auto R&D deployed a high-performance computing (HPC) platform based on Lenovo ThinkSystem SD650 V3 servers with Lenovo Neptune® water cooling—boosting performance by 35% and creating headroom for continued R&D innovation.
Read Case Study
Shanghai Jiao Tong University

Shanghai Jiao Tong University

Sparking new scientific possibilities helping researchers deepen their understanding of life on Earth and the universe with Lenovo Neptune® liquid-cooling technology.

Resources

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Advancing Smarter AI for All

Read the latest from Lenovo Tech World 2024 on how Neptune® Liquid Cooling supercharges efficiency for the most demanding AI workloads.
Learn more
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Lenovo’s Vision: AI, Energy & Climate Solutions

Lenovo aligns tech innovation with ESG goals, setting the standard for responsible progress. Explore how they balance AI's potential with environmental responsibility in this insightful interview.
Learn more
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Powering the New Industrial Revolution

Lenovo Neptune Liquid Cooling & NVIDIA’s Advanced AI Platforms are changing the world. Watch this episode of The Six Five in the Booth to learn more.
Watch now
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AI Factories Powered By Cooler Supercomputing

Watch this video from SC24 to hear about Lenovo’s latest Neptune® and other innovations that deliver game-changing energy efficiency and accelerated computing to help scientific and industry researchers propel AI-powered transformation at any scale.
Learn more
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Eco-Friendly Computing With Liquid Cooling

This paper, published in HPCwire, discusses the use of liquid cooling to address both performance and sustainability goals, and features a user perspective on Lenovo Neptune® from the Simons Foundation’s Flatiron Institute.
Read more
The image shows an overhead shot of the SC750 v4 server and all its internal components.

SC750 V4: 3D Tour

Learn how our SC750 V4 dense server uses Neptune® Liquid Cooling to deliver high performance computing.
Watch 3D Tour
The image shows an overhead shot of the SC750 v4 server and all its internal components.

SC777 V4: Interactive Tour

Take a virtual 3D tour of our SC777 V4 Neptune, the latest innovation in Neptune Liquid Cooling for high performance AI.
Watch 3D Tour
A picture of rows of server racks with cables in a sleek, organized data center environment.

Lenovo Neptune Direct Water-Cooling Standards

Drawing on over a decade of experience in developing and deploying liquid cooling solutions, Lenovo has published liquid-cooling standards that address key challenges and provide a framework for industry-wide collaboration.
Read more

Services

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TruScale Infrastructure Services

Leverage real-time monitoring, 24x7 incident response, and problem resolution, all through a single point of contact. Quarterly health checks ensure ongoing optimization and business innovation. Lenovo provides remote active monitoring of hardware in the customer’s data center, enabling ongoing performance and productivity.
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AI Services

Get from an idea to a pre-production AI solution in just weeks. Optimized for NVIDIA AI Enterprise and leveraging accelerators like NVIDIA NIMs, Lenovo AI Fast Start for Enterprise accelerates use case development and platform readiness for AI deployment at scale.
Learn more
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Support Services

Ensure peak IT performance with a single point of contact for all your data center support needs. Benefit from end-to-end case management, scalable SLAs, tailored warranties, and 24x7 technical support with global engineering coverage.
Learn more
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Managed Services

Lenovo Managed Services supports your team with actively monitored, optimized environments that enhance performance, improve the end-user experience and simplify operations. With a trusted partner and a scalable suite of flexible options to manage your technologies and vendors, your IT team can prioritize strategic imperatives and building the digital workforce of tomorrow.
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