CN5000 Omni-Path® Switch

Unlock AI and HPC At Scale - CN5000 Switch Delivers Unmatched Performance, Scalability, and Efficiency

As AI and HPC workloads grow in complexity high-bandwidth networking becomes essential. The Cornelis CN5000 Omni-Path Switch is designed to meet the extreme scalability and performance demands of modern compute environments, ensuring rapid results and maximizing infrastructure investments.

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  • Ideally Suited to the needs of AI & HPC the CN5000 Switch meets the demands of the modern data center

    Built for Extreme Scale and Efficiency

    The CN5000 Switch is engineered to scale seamlessly across thousands of nodes, leveraging advanced network routing, intelligent traffic flow management, and zero-latency packet integrity protection. These capabilities enhance workload efficiency by minimizing congestion, preserving data accuracy, and optimizing GPU utilization—resulting in improved performance and lower total cost of ownership (TCO).

    Optimized for AI and HPC Workloads

    Delivering up to 400Gbps of bidirectional bandwidth, the CN5000 Switch is designed to support the most demanding AI training and inference tasks. It ensures ultra-low latency and eliminates bottlenecks, accelerating time-to-results for generative and agentic AI applications. With unparalleled robustness and efficiency, it remains the ideal choice for parallelized compute environments and HPC workloads.

    Reliability, Adaptability, and Efficiency

    Consistent, reliable network performance is critical for AI and HPC applications. The CN5000 Switch incorporates advanced error correction and dynamic network function placement, enhancing overall system efficiency and adaptability to evolving workloads.

    Advanced Telemetry for Intelligent Network Management

    Equipped with cutting-edge telemetry capabilities, the CN5000 Switch provides real-time network insights and fine-grained visibility to optimize workload performance. By continuously analyzing traffic patterns, identifying congestion points, and dynamically adjusting network flows, it ensures smooth, high-efficiency operation—even in the most complex compute environments. With industry-leading telemetry and precision network intelligence, CN5000 enables greater control, efficiency, and performance across any scale. The Cornelis CN5000 product family includes the Omni-Path Switch, Director Class Switch, Adapter, Copper and Optical cables, and open-source Host & Management Software—offering flexible, high-performance networking solutions for diverse infrastructure needs.

    Benefits

    • 48 ports, each providing 400G performance

    • 32 ports independently support port subdivision to 2 x 200G each

    • Hot swappable field replaceable units (FRUs): fan and power supply

    • 38.4 Tbps aggregate bandwidth

    • Optimization for message rate and latency

    • Virtual lanes (VLs): Configurable from one to four VLs plus one management VL

    • Configurable MTU size of 2, 4, 8, or 10KB

    • Maximum multicast table size: 16,384 entries

    • Maximum unicast table size: 49,152 entries (linear LIDs)

    • Maximum unicast table size: 330,000 entries (hierarchical LIDs)

    • Fine grain, telemetry-based dynamic adaptive routing (FGAR)

    Management Features

    • Integrated OpenBMC-based management

    • Redfish protocol and data model/schema support

    • In-band and out-of-band management options

    • Command line interface through 10/100/1000 BASE-T Ethernet

    • Serial console through USB A serial port

    • Network Time Protocol (NTP) and LDAP

    • Static Dispersive Routing (SDR)

    • FGAR or SDR selectable per packet

    • Innovative traffic categorization to control incast-prone applications

    • QSFP112 Quad Small Form Factor Pluggable cabling

    • Low-Latency bit error recovery and optional correction

    • Enhanced congestion control that can throttle adapter injection

    • Rich Quality of Service (QoS) controls

    • Backwards compatible with previous generation Omni-Path 100G fabric

    • Open BMC-based chassis management

    • Security (Secure key EEPROM, Secure Boot)

    • Options for air and liquid cooling

    Bandwidth400G
    Fabric Ports48 x 400G QFSP112 ports
    Chassis Dimensions8.4 x 22.0 x 31.9 in.
    (4.40 x 43.79 x 66.30 cm)
    (H x W x D)
    Weight

    Air Cooled
    - AC Power: 28.75lb (13.04kg)
    - DC Power: 25.95lb (11.77kg)

    Liquid Cooled
    - AC Power: 34.30lb (15.56kg)
    - DC Power: 31.5lb (14.3kg)

    Power Consumption (Typical/Max)Cable Configuration:
    • DAC
      • Air Cooling: 710W / 865W
      • Liquid Cooling: 440W / 475W
    • 7.5W AOC
      • Air Cooling: 1115W / 1285W
      • Liquid Cooling: 840W / 895W
    Input Range200-277 VAC, 50-60 Hz
    Cooling OptionsAir Cooling
    Full Liquid Cooling

    Safety

    US/Canada

    NRTL: UL 62368-1, CSA 22.2 No. 62368-1

    Europe

    EN62368-1

    CB Scheme: IEC 62368-1

    Operating Conditions

    Temperature

    Operating: 10° to 35° C (up to 900m above sea level.

    Temperature is derated 1C per 175m above 900m)

    Storage: -40° to 70° C

    Humidity

    Operating: 5% to 90% non-condensing

    Storage: 5% to 95% non-condensing

    Altitude

    Operating: 0-3,000m (Temperature derating 1˚C/175m above 900m)

    Non-operating: 0-12,000m

    Emissions/Immunity

    US/Canada

    FCC Part 15, Subpart B, Class A

    CAN ICES-3 (A)/NMB-3(A) Issue 7

    Europe/International

    EN55032 (CISPR32)

    EN55035 (CISPR35)

    EN61000-3-2

    EN61000-3-3

    Japan

    VCCI, Class A

    New Zealand/
    Australia

    AS/NZS CISPR 32, Class A

    Korea

    Emissions: KS C 9832, Class A

    Immunity: KS C 9835

    Taiwan

    BSMI (CNS 15936), Class A

    Miscellaneous

    Country of Origin

    Malaysia

    AI Solutions

    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.

    HPC Solutions

    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.

    Explore the CN5000 Product Family