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400G, 800G data center networks

Put your data center in the fast lane

High expectations, meet high performance


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More energy efficient than previous models

Build more sustainable data centers with the latest leaps in technology.

Your modern data center needs high-speed scalable servers and high-speed networking to match. Bring your infrastructure into the future of fast with Cisco Nexus 9000 Series Switches.

Create new experiences—fast

Gain flexibility across densities, speeds, and optics so the bandwidth-hungry apps you need can transform your user experiences.

Power IT for a greener future

Kick-start your sustainability journey with an architecture that can meet your energy goals.

Experience security and reliability

Improve uptime and strengthen business continuity with security and modernization.

Experience the performance of 400G and 800G

Learn how the demands of specialized workloads like big data and AI are driving the transition to 400G and beyond to 800G, revolutionizing data center and network engineering.

AI/ML fabrics

Handle network congestion with lossless networks that can power AI and video environments—critical for the modern business to get ahead.

Safe, simple, flexible

Secure data center with encryption supports various multilayer security architectures. Implement segmentation across Cisco ACI and NX-OS with one fabric experience through Nexus Dashboard.

Rich telemetry, real insights

Quickly spot and solve network health issues with insights pulled from real-time network tracking that keep you on top of capacity planning and security management.

Get data center switches built for today, ready for tomorrow

Our Cisco Nexus 9000 Series Switches portfolio is versatile. Explore distributed modular, centralized modular, and fixed switches to cover any need, including super spine, spine, leaf, and border leaf.

Cisco Nexus 9800 switch chassis

Cisco Nexus 9800 Series

Experience breakthrough switch performance that delivers high capacity, speed, and efficiency.

Cisco Nexus 9400 series switch chassis, front-side view

Cisco Nexus 9408

A new modular chassis design supports high-port-density 400G expansion modules.

Cisco Nexus 9364D-GX2A switch

Cisco Nexus 9364D-GX2A

Get a high-performance, power-efficient, and compact switch that keeps up with AI/ML bandwidth needs.

Cisco Nexus 9364D-GX2A switch

Cisco Nexus 9332D-GX2B

Ease network congestion, gain better flow control, and get the latency and telemetry you need for AI/ML design requirements.

Cisco Nexus 9332D-H2R switch

Cisco Nexus 9332D-H2R

Build AI/ML and IP media capabilities with our first switch with deep buffer capability in the Nexus 9000 Series portfolio.

Cisco Nexus 9348D-GX2A

Cisco Nexus 9348D-GX2A

Get encryption capabilities on all ports in this high-density switch.

Services and support


Portfolio buying guide

Cisco Enterprise Agreement

Bring the power and breadth of our entire technology portfolio under a single, simplified agreement.

Business-critical services

Move your business forward

Build modern, agile IT environments with advisory services designed to help you adapt and transform.

Proven validated designs

Follow the AI/ML blueprint for data center networks

Diverse applications of AI in various sectors require training and inference clusters. Proper management of bursty communication within AI clusters is crucial to prevent congestion and mitigate potential downtime.