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Cisco Nexus N9K-C9408

The N9K-C9408 is a 4RU modular chassis designed for high-density 400G data center fabrics. Featuring 8 expansion slots for linecard modules, it delivers up to 25.6 Tbps of switching capacity powered by Cisco Silicon One architecture.

Cisco Nexus N9K-C9408
4RU Modular Chassis 8 Expansion Slots 25.6 Tbps Silicon One Powered Hot-swappable PSUs Efficient Cooling

Product Overview

Silicon One Powered

Built on Cisco Silicon One architecture, delivering industry-leading performance-per-watt and consistent operations.

Modular Scalability

8 expansion slots allow for flexible port configurations from 10G to 400G to match your workload.

High Availability

Hot-swappable power supplies and fan trays ensure continuous operation and simplified maintenance.

Security First

Supports line-rate MACsec encryption across all ports for secure data center fabrics.

Sustainability

Compact 4RU design reduces physical footprint while maximizing port density and power efficiency.

Programmability

Full support for P4-programmability and model-driven telemetry for automated operations.

Features and Benefits

Compact modular 400G switching.

The Nexus 9408 chassis provides the foundation for high-performance data center fabrics with unmatched density in a 4RU form factor.

25.6 Tbps Capacity

High-speed switching fabric supports massive data movement for AI/ML and cloud workloads.

Secure Deployment

Hardware-ready for line-rate MACsec encryption to protect data-in-flight.

Flexible LEMs

Support for various Linecard Expansion Modules (LEMs) for 10G, 25G, 100G, 200G, and 400G ports.

Specifications

Chassis

Total LEM Slots8
Supervisor SlotsUp to 2
System Capacity25.6 Tbps
Rack Units4RU

Power & Cooling

Power Supply Bays4
Fan Trays3
AirflowPort-side exhaust
RedundancyHot-swappable N+1

Documentation

Data Sheet

Cisco Nexus 9400 Series Switches Data Sheet. Full specifications, modules, and ordering information.

Download PDF ›

Ready to deploy the Nexus 9408?

Our data center specialists will build a custom quote — including LEMs, supervisors, licensing, and professional services.

Cisco Nexus N9K-C9408

Let’s find the right Nexus 9400 configuration

Whether you need help selecting linecards, supervisors, or licensing, our data center specialists are here to help. Fill out the form and we’ll be in touch within one business day.

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