CORNELIS NETWORKS 

CORNELIS NETWORKS CN5000 SWITCH, 48-PORT, 240/277 VAC IN, DUAL POWER SUPPLY, CN5SWE48G2WF

Mfg Part Number:  CN5SWE48G2WF  
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Last Updated: Feb 16, 2026
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Network-Led Application Acceleration for AI and HPC

Built for Scale and Efficiency

The CN5000 Switch delivers lossless, congestion-free networking at scale, supporting up to 500,000 endpoints through key architectural features: credit-based flow control, link-level retransmissions, fabriclevel congestion management, and multipath routing without in-order delivery constraints. These innovations ensure low tail latency, eliminate packet loss, and drive higher compute utilization and lower TCO.

Optimized for AI and HPC Workloads

The CN5000 Switch delivers 400G of bandwidth per port and is purpose-built for AI training, inference, and large-scale HPC performance demands.

It provides ultra-low latency and congestion-free throughput, accelerating time-to-results for generative and agentic AI workloads. With exceptional efficiency and architectural robustness, CN5000 switches are the ideal fabric for parallelized compute environments and mission-critical HPC applications.

Reliability, Adaptability, and Efficiency

Consistent, reliable network performance is critical for AI and HPC applications. The CN5000 Switch enhances system-wide efficiency with advanced error correction and dynamic workloadaware traffic management, ensuring adaptability to changing communication patterns and sustained performance under load.

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 precision network intelligence, CN5000 Switches enable greater control, efficiency, and performance across any scale.

In contrast to RoCEv2 and legacy InfiniBand implementations, the CN5000 switch delivers lossless, congestion-free networking that scales with the demands of AI and HPC clusters.

Omni-Path Architecture

CN5000 Architecture delivers lossless and congestion-free data transmission with credit-based flow control and dynamic fine-grained adaptive routing. It is designed for maximum performance, reliability, scalability, and data integrity with dynamic lane scaling and optimized link protection.

CN5000 SWITCH HIGHLIGHTS | Benefits

  • Performance that scales with your cluster
  • Real-time network visibility and control
  • Supports >100K node clusters

Performance

  • 48 ports of 400G
  • 38.4T full duplex bandwidth
  • > 800 million packets/s
  • < 1 us MPI latency
Main Specification
General Information
Manufacturer Cornelis Networks
Manufacturer Part Number CN5SWE48G2WF
Manufacturer Website Address http://www.cornelisnetworks.com
Brand Name Cornelis
Product Line Omni-Path
Product Series 5000
Product Name Omni-Path 5000 Ethernet Switch
Product Type Ethernet Switch
Technical Information
Features Hot-swappable
AI-powered Yes
Interfaces/Ports
Port/Expansion Slot Details 48 x 400 Gigabit Ethernet QFSP112 Expansion Slot
Media & Performance
Media Type Supported Optical Fiber
Ethernet Technology 400 Gigabit Ethernet
Maximum Data Transfer Rate 50 GB/s
I/O Expansions
Total Number of Expansion Slots 48
Expansion Slot Type QSFP
Network & Communication
Layer Supported 2
Management & Protocols
Manageable Yes
Power Description
Input Voltage 230 V AC
Input Voltage 120 V AC
Frequency 60 Hz
Frequency 50 Hz
Power Source Power Supply
Power Source AC/DC
Number of Power Supplies Installed 2
Power Consumption 895 W
Physical Characteristics
Height 1.7"
Width 17.2"
Depth 26.1"
Weight (Approximate) 34.81 lb
Miscellaneous
Application/Usage Security
Application/Usage Traffic
Application/Usage Data Center
Application/Usage Network
Environmental Compliance Restriction of Hazardous Substances (RoHS)
Environmental Compliance Registration, Evaluation, Authorization and Restriction of Chemicals (REACH)
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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