CN5000
Omni-Path®
Networking

Lisa Spelman, CEO of Cornelis Networks, introduces next generation, end-to-end networking solutions

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    • Unlock
    the Potential
    of AI & HPC

    with Network-Led Application Acceleration

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    • CN5000
    Omni-Path
    Networking Solutions

    Enhances throughput and efficiency, ensuring maximum return on computing investments.
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    • The World's First Lossless and Congestion-Free Scale-Out Network

    Cornelis is solving one of the world’s biggest compute efficiency challenges - unlocking application performance with network-led acceleration at any scale. From faster AI training and ultra-responsive inference to the most predictable, high-throughput HPC simulations, Cornelis delivers results where legacy networks fall short. Built on the proven Omni-Path architecture, our solutions provide maximum performance, efficiency, scalability, resiliency and interoperability - empowering the next generation of AI and HPC infrastructure.

    Introducing the CN5000 Omni-Path
    End-to-End Network

    400G SuperNIC

    Isometric view of the 400G
SuperNIC.

    Complete 400G Switch Portfolio

    48-Port
    Switch    		 Up to 576-Port
    Director Switch
    Front view of a CN5000 48-Port Switch Front view of a Cornelis CN5000 Director Switch (Up to 576 Ports)

    Optimized Open-Source Host and Management Software

    Delivering Industry-Leading HPC Performance

    >2X Higher Message Rates
    35% Lower Latency
    30% Higher Application Performance

    Revolutionizing AI Performance - 6X Faster AI Collectives Communication Performance

    >30% Higher HPC Performance
    >2X Higher Bandwidth on AI Sync Messages
    500K+ Endpoint Scale
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    • Message Rate, Latency, and HPC claims based on CN5000 relative to NDR 400G AI Collectives Performance
    claim based on internal simulations vs 400G Ethernet

    Why Cornelis Networks?

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    Highest Performance

    • Credit Based Flow Control, Dynamic Adaptive Routing, Enhanced Congestion Control

    • Reduced Checkpointing

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    AI & HPC at Scale

    • Near-linear Training Performance

    • Unlocks advanced inference with extended reasoning

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    Seamless Integration, Universal Interoperability

    • Universally interoperable with all leading GPUs, CPUs, and accelerators

    • BYOP (Bring your own platform)

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    Enhanced Resiliency

    • Ensuring Uptime Even During Failures

    • No Error-Driven Retries

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    Boost Datacenter Efficiency

    • No Packet Drops

    • Optimal Path Selection

    • Prevent Congestion Trees

    • Greater power availability to GPUs, sustaining workloads at peak efficiency

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    Always Here For You

    • We have network experts ready to help you make the most of your infrastructure.

    • Plan your network, optimize your current infrastructure, ask questions, or get support. We are here to make it easy.

    Accelerate Enterprise AI Applications

    From training large language models and powering agentic AI frameworks, to real-time fraud detection in finance and computer vision in autonomous systems - CN5000 Omni-Path AI solutions deliver the high-performance, lossless networking foundation that next-generation AI demands.

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    • HPC Networks, Redefined

    Push the boundaries of scientific discovery and engineering innovation with CN5000 Omni-Path-based HPC solutions. From advancing climate modeling and seismic analysis, to accelerating simulation and design in aerospace and automotive, and enabling complex genomic research in life sciences, CN5000 Omni-Path solutions power breakthrough results—faster, smarter, and at scale.

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    • Experience Optimized AI Today!

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    • Latest News

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    Cornelis CN5000 400Gbps Omni-Path Launched with UltraEthernet Roadmap

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    Cornelis CN5000 Launches: Rewiring AI and HPC Networking at Scale

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    Cornelis Networks releases tech to speed up AI datacenter connections

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