MSN4600-CS2FC Nvidia 64x 100GB QSFP28 B-F Air P2C Cumulus Linux Switch

Nvidia 100GB QSFP28 B-F Air Switch

The Nvidia MSN4600-CS2FC is a high-performance Layer 3 managed switch designed for modern data centers and enterprise networking. With 64 ports of 100 Gigabit Ethernet QSFP28, it delivers exceptional throughput and scalability for demanding workloads.

General Details

• Manufacturer: Nvidia
• Part Number: MSN4600-CS2FC
• Device Type: 64-Port L3 Managed Switch
• Connectivity Features

Network Interfaces

• 64x 100 Gigabit Ethernet QSFP28 ports
• 1x USB management port
• 1x RJ45 console port
• 1x RJ45 management port

Performance Metrics

• Switching Capacity: 12.8 Tbps
• Forwarding Rate: 8.4 Bpps
• Latency: 300 ns
• VLAN Support: Up to 4096 VLANs
• Packet Buffer: 64MB

Hardware Details

Memory and Storage

• System Memory: 8GB
• SSD Storage: 32GB
• CPU: Quad-core x86 processor

Cooling and Power

• Airflow Direction: Back-to-Front (P2C - Port-to-Connector)
• Fan Modules: 3 hot-swappable fans
• Power Supplies: Dual AC power supply included

Physical Characteristics

• Depth: Standard rack-mountable size

MSN4600-CS2FC 64x 100GB P2C Linux Switch Overview

The Nvidia MSN4600-CS2FC 64x 100GB QSFP28 B-F Air P2C Cumulus Linux Switch represents a new generation of open networking data center infrastructure engineered for hyperscale, enterprise, and cloud environments. Designed and manufactured by :contentReference[oaicite:0]{index=0}, this high-performance switch is built to deliver exceptional throughput, ultra-low latency, and advanced programmability. It combines the power of 64 ports of 100GbE connectivity with robust Cumulus Linux integration, enabling modern network architectures that prioritize flexibility, scalability, and automation.

As data center demands continue to grow due to cloud computing, artificial intelligence, big data analytics, and virtualization, the need for high-density, high-bandwidth switching becomes critical. The MSN4600-CS2FC is engineered to meet these demands by delivering up to 12.8 Tbps of aggregate bandwidth, making it an ideal spine or leaf switch in large-scale data center topologies. With its B-F (Back-to-Front) airflow configuration and P2C (Port-to-Cooling) airflow design, it ensures optimal thermal efficiency in structured rack deployments.

High-Density 100GbE Connectivity

64x QSFP28 Ports for Maximum Throughput

The defining feature of the Nvidia MSN4600-CS2FC switch is its 64 QSFP28 ports, each capable of delivering 100GbE connectivity. This high-density port configuration allows organizations to consolidate switching layers and reduce hardware footprint while maintaining superior bandwidth capacity. Each QSFP28 port can be configured for 100GbE or broken out into 4x 25GbE connections, offering flexible deployment options depending on infrastructure requirements.

With a total switching capacity of 12.8 terabits per second and a forwarding rate of up to 9.5 billion packets per second, this switch is optimized for high-performance computing clusters, distributed storage systems, and large virtualization environments. Its architecture ensures minimal packet loss, predictable latency, and seamless east-west traffic handling across large data center fabrics.

Breakout and Flexible Port Configuration

The QSFP28 ports support breakout cables, allowing network architects to convert a single 100GbE port into four 25GbE ports. This flexibility is especially useful in leaf-spine architectures where aggregation and distribution layers require adaptable port densities. By leveraging breakout configurations, businesses can scale gradually without overprovisioning hardware, improving cost efficiency and resource allocation.

Advanced Cumulus Linux Integration

Open Networking Flexibility

The integration of Cumulus Linux transforms the Nvidia MSN4600-CS2FC from a traditional hardware switch into a fully programmable, Linux-based networking platform. Cumulus Linux provides a familiar operating environment for network engineers and DevOps teams, enabling seamless automation using common Linux tools and scripting frameworks.

This open networking approach eliminates vendor lock-in and allows enterprises to implement automation workflows using tools such as Ansible, Puppet, and Chef. The switch supports modern data center networking protocols, including BGP, OSPF, EVPN, VXLAN, and MLAG, enabling highly scalable and resilient network fabrics.

Automation and Orchestration Capabilities

With Cumulus Linux, the MSN4600-CS2FC supports infrastructure-as-code methodologies, allowing administrators to treat network configurations like software deployments. Automation reduces manual configuration errors and accelerates deployment cycles. Integration with orchestration platforms ensures that network changes align dynamically with application workloads and virtualized resources.

Enhanced Visibility and Troubleshooting

Cumulus Linux provides deep telemetry and monitoring features, offering real-time visibility into network performance. Administrators can use standard Linux commands and network troubleshooting utilities to diagnose issues quickly and efficiently. This reduces mean time to resolution and improves overall network reliability.

Performance Architecture and ASIC Design

Cutting-Edge Switching Silicon

At the core of the Nvidia MSN4600-CS2FC lies advanced switching silicon engineered for ultra-low latency and high packet processing performance. The ASIC architecture is optimized for large-scale deployments, ensuring deterministic forwarding behavior and minimal jitter even under peak load conditions.

The switch’s hardware acceleration capabilities support deep packet buffers and advanced traffic management mechanisms, allowing it to handle bursty workloads common in storage replication and AI model training clusters. This makes it suitable for mission-critical data center environments where performance consistency is paramount.

Thermal Design and Airflow Efficiency

B-F Airflow Configuration

The B-F (Back-to-Front) airflow design ensures compatibility with structured data center cooling strategies. In hot aisle and cold aisle containment systems, this airflow orientation aligns with server and rack-level cooling patterns, maximizing energy efficiency and minimizing thermal hotspots.

The P2C (Port-to-Cooling) airflow path directs cool air from the port side to the fan modules, maintaining optimal operating temperatures for both switching components and transceiver modules. Efficient thermal management contributes to longer hardware lifespan and consistent performance.

Redundant Power and Cooling Systems

The Nvidia MSN4600-CS2FC features redundant hot-swappable power supplies and fan modules. These redundant components enhance system availability and minimize downtime during maintenance. In high-availability data center environments, such redundancy is essential for ensuring uninterrupted operations.

Data Center Scalability and Fabric Expansion

Designed for Hyperscale Environments

The MSN4600-CS2FC is engineered to scale seamlessly within hyperscale and cloud infrastructures. Its high port density and 100GbE capabilities enable the construction of expansive leaf-spine networks that support thousands of servers. As data centers expand, additional switches can be integrated without disrupting existing network architecture.

The switch’s support for EVPN-VXLAN overlays allows network virtualization across large-scale environments. This enables multi-tenant segmentation, workload mobility, and efficient resource utilization, making it well-suited for service providers and enterprise private clouds.

Multi-Tenant and Virtualized Networking

Virtualized networking capabilities empower organizations to isolate workloads securely while maintaining centralized management. Overlay networks can be dynamically provisioned to support containerized applications, virtual machines, and bare-metal servers. This adaptability ensures that the infrastructure remains future-proof as IT demands evolve.

High Availability and Resiliency

High availability features such as MLAG and fast convergence protocols minimize downtime during link or node failures. Redundant hardware components and intelligent failover mechanisms ensure continuous data flow even during unexpected disruptions. This reliability is critical for enterprise applications that require constant uptime.

Integration with Modern IT Ecosystems

Cloud and Virtualization Compatibility

The MSN4600-CS2FC integrates seamlessly with modern cloud platforms and virtualization environments. Its programmable Linux foundation enables compatibility with container orchestration systems and hypervisors. Network policies can be dynamically adjusted to match application scaling requirements, ensuring optimized traffic flow.

Integration with monitoring platforms provides actionable insights into traffic patterns and resource utilization. This data-driven approach allows administrators to make informed decisions regarding capacity planning and infrastructure expansion.