Trials and demos

400G data center networking

Put your data center in the fast lane

Explore 400G switches Prepare for 400G
Overview Resources

High expectations, meet high performance

59 X

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.

Discover the uses of 400G

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

Lossless Ethernet

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

Get started with AI

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.

Find out how NX-OS works

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 started with Cisco Nexus Dashboard

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: 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.

Find out how
Cisco Nexus 9400 series switch chassis, front-side view

Cisco Nexus 9408

The latest in its series: A new chassis supports high port density 400G expansion modules.

Read data sheet
Cisco Nexus 9364D-GX2A switch

Cisco Nexus 9364D-GX2A

Get high-performance, power-efficient, and compact switches that keep up with high bandwidth needs.

Read data sheet
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.

Read data sheet
Cisco Nexus 9332D-H2R switch

Cisco Nexus 9332D-H2R

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

Browse portfolio

Services and support

Portfolio buying guide

Cisco Enterprise Agreement

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

View guide

Business-critical services

Move your business forward

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

Find services

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.

Build lossless AI