Hammer | Cornelis Networks

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.

Cornelis® CN5000 Omni-Path® SuperNIC

Built for Scale and Performance

Single- or dual-port 400G PCIe 5.0 with SR-IOV, <1µs MPI latency, and up to 800M packets/sec. Supports 100K+ node clusters and up to 500,000 endpoints with credit-based flow control, link-level retransmissions, fabric congestion management, and multipath routing — delivering lossless, congestion-free networking, low tail latency, and maximum performance for AI and HPC workloads.

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Cornelis® CN5000 Omni-Path® Switch

Maximum Performance at Any Scale

48×400G ports delivering 38.4Tb/s full-duplex bandwidth, <1µs MPI latency, and >800M packets/sec. Supports up to 500,000 endpoints with lossless, congestion-free networking, low tail latency, and massive AI/HPC scalability.

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Cornelis® CN5000 Omni-Path® Director Class Switch

Modular 576-port 400G fabric delivering 230.4T non-blocking bandwidth, full bisection throughput, and microsecond-level latency. Purpose-built for ultra-large AI and HPC clusters, it ensures deterministic performance, high message rates, and lossless scaling with carrier-class reliability in air- or liquid-cooled configurations.

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Push the boundaries of scientific discovery and engineering innovation with CN5000 Omni-Path –based HPC and AI Solutions.

From advancing climate modeling and seismic analytic, 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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Explore the articles below to deepen your understanding of Cornelis Networks.

Cornelis provide open, intelligent, high-performance networking solutions designed to accelerate the world’s most demanding technical computing applications.

Cornelis® CN5000 Omni-Path® SuperNIC

Cornelis® CN5000 Omni-Path® Switch

Cornelis® CN5000 Omni-Path® Director Class Switch

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Accelerating Smart Manufacturing in Europe with Cornelis and Hammer

Accelerating University AI and HPC Clusters in Europe with Cornelis and Hammer

Enabling Breakthroughs in European Physics & Life Sciences with Cornelis and Hammer HPC Solutions

Accelerating Automotive Innovation in Europe with Cornelis Networks CN5000® and Hammer

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