SKU: 45931152130

Cisco Nexus 3400-S Ethernet Switch

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Description

Cisco Nexus 3400-S Ethernet SwitchThe Cisco Nexus 3400 S Ethernet Switch is a state of the art networking solution built to meet the high demands of modern data centers. As the premier 400G capable switch in the Nexus 3000 series, it sets a new standard for performance, efficiency, and adaptability. Designed to power large scale, mission critical fabrics, the 3400 S delivers exceptional throughput, ultra low latency, and intelligent automation that data center operators rely on to

The Cisco Nexus 3400-S Ethernet Switch is a state-of-the-art networking solution built to meet the high demands of modern data centers. As the premier 400G capable switch in the Nexus 3000 series, it sets a new standard for performance, efficiency, and adaptability. Designed to power large-scale, mission-critical fabrics, the 3400-S delivers exceptional throughput, ultra-low latency, and intelligent automation that data center operators rely on to stay ahead in a fast-paced digital landscape. From dense leaf-spine architectures to consolidated campus deployments, this switch is engineered to optimize capacity, simplify operations, and future-proof your network investments.

  • 400G capability at the core: The Nexus 3400-S is built to handle high-bandwidth workloads with robust 400G connectivity, enabling rapid movement of data across large, fault-tolerant fabrics while minimizing congestion and dead zones.
  • High-density port options and flexible form factors: Designed for scalable growth, it supports versatile port configurations and adaptable layouts to maximize space efficiency in the data center rack and reduce total cost of ownership.
  • Programmable, feature-rich NX-OS with advanced automation: Benefit from Cisco’s NX-OS, open APIs, and orchestration tools that enable automated provisioning, telemetry, and policy-driven networking for faster deployments and easier lifecycle management.
  • Low latency and deterministic performance: Optimized for latency-sensitive applications, the Nexus 3400-S delivers predictable responsiveness essential for real-time analytics, AI/ML workloads, and high-frequency trading environments.
  • Energy-efficient design and reliability: Built with power-aware features and resilient cooling strategies, the switch minimizes energy consumption while maintaining peak reliability and uptime for dense, mission-critical deployments.

Technical Details of Cisco Nexus 3400-S Ethernet Switch

  • High-performance 400G-capable switch designed for data center fabrics and large-scale leaf-spine architectures within the Nexus 3000 family.
  • Flexible, high-density port configurations that support 400G, 100G, and 40G interfaces to match diverse workload requirements.
  • NX-OS-based management with programmable APIs, telemetry, and automation integrations for streamlined operations and rapid scaling.
  • Advanced QoS, security features, and policy-driven routing to ensure quality of service, data protection, and network segmentation.
  • Energy-efficient hardware design with dynamic power management and robust cooling to reduce operating costs over the life of the deployment.
  • Seamless integration with Cisco's Nexus 3000 series ecosystem, enabling simplified management and consistent software across data center networks.

How to Install Cisco Nexus 3400-S Ethernet Switch

  • Plan the deployment: Confirm the data center’s rack space, power availability, cooling capacity, and network topology. Verify compatibility with existing Nexus devices and software versions to ensure a smooth upgrade path.
  • Prepare the rack and environment: Install the switch in a standard 19-inch rack with adequate clearance for air intake and exhaust. Ensure proper grounding, cable routing, and temperature control to protect sensitive hardware.
  • Mount and secure the chassis: Secure the Nexus 3400-S in the rack using the provided mounting hardware. Attach redundant power supplies if your configuration calls for high availability and continuous operation.
  • Connect power and network fabrics: Attach power cords to the appropriate outlets and connect fabric and uplink cables to the designated 400G/100G/40G ports. Ensure that all cabling is correctly labeled and organized to simplify maintenance.
  • Initial configuration and onboarding: Access the device through the console or management interface, perform the initial setup, apply the latest firmware, and configure basic networking, security, and management parameters. Validate connectivity, run a basic health check, and enable key features such as QoS and fabric automation as required by your deployment.

Frequently asked questions

  • What is the Cisco Nexus 3400-S best for? It is designed for high-performance data center environments that require powerful 400G switching, scalable leaf-spine fabrics, and advanced automation to support large-scale workloads and analytics applications.
  • Does it support 400G networking? Yes. The Nexus 3400-S is built to deliver 400G capabilities, along with flexible port options to accommodate 100G and 40G interfaces as needed for diverse workloads.
  • What management features are included? It runs on NX-OS with programmable APIs, telemetry, and integration with Cisco management ecosystems (such as Cisco DNA Center) to enable automated provisioning, monitoring, and policy-driven operations.
  • Is there a recommended deployment model? The switch is well-suited for data center spine-leaf architectures, large campus interconnects, and high-density computing clusters where low latency and high throughput are critical.
  • What about support, warranty, and lifecycle updates? Support and warranties vary by SKU and region. It’s advisable to consult your Cisco authorized reseller for current SLAs, software maintenance, and available firmware updates to ensure ongoing security and performance.
Shipping Notes
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SKU: 45931152130

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