Cisco Nexus 9400 Series Switches
Compact modular
400G switching
Deliver high-density 400G connectivity in a compact 4RU chassis — powered by Cisco Cloud Scale technology with up to 25.6 Tbps switching capacity for next-generation data center fabrics.
Built for high-density data center fabrics.
The Nexus 9400 Series delivers the port density, throughput, and security modern data centers demand — in a compact modular form factor.
25.6 Tbps in 4RU
Compact modular chassis with 8 expansion slots delivers massive switching capacity in a space-efficient design.
400G QSFP-DD line cards
Highest speed LEMs support 8 ports of 400G QSFP-DD for bandwidth-intensive data center workloads.
MACsec on every port
Line-rate encryption across all linecard expansion modules secures east-west and north-south traffic.
Cloud Scale technology
Cisco Silicon One ASICs deliver programmable forwarding, deep telemetry, and industry-leading performance.
Chassis & Core Components
The foundation of your high-density 400G data center fabric.
4RU Chassis
N9K-C9408
4RU modular chassis with 8 expansion slots
- •8 slots for linecard expansion modules
- •Up to 25.6 Tbps switching capacity
- •Hot-swappable PSUs and fans
Supervisor
N9K-C9400-SUP-A
Supervisor module for chassis control plane
- •Centralized control plane management
- •Precision Time Protocol (PTP) support
- •Synchronous Ethernet (SyncE)
Switch Card
N9K-C9400-SW-GX2A
Internal fabric switch card for data movement
- •Internal switching fabric
- •High-speed data movement between LEMs
Linecard Expansion Modules (LEMs)
Choose the port speed and density that matches your data center workload.
400G
N9K-X9400-8D
8-port 400G QSFP-DD expansion module
- •8 ports 400G QSFP-DD
- •Line-rate MACsec encryption
200G
N9K-X9400-16W
16-port 200G QSFP56 expansion module
- •16 ports 200G QSFP56
- •Line-rate MACsec encryption
10/25/50G
N9K-X9400-22L
22-port 10/25/50G SFP56 expansion module
- •22 ports 10/25/50G SFP56
- •Line-rate MACsec encryption
Built for data centers that never stop.
The Nexus 9400 Series delivers performance, resilience, and security for the most demanding data center environments.
Centralized Architecture
Single supervisor and switch card design simplifies management and reduces operational complexity.
Line-Rate MACsec
Hardware-based MACsec encryption on every port secures data in motion without impacting performance.
Hot-Swap Everything
Hot-swappable LEMs, PSUs, and fans with N+1 redundancy keep your fabric running during maintenance.
NX-OS Automation
Programmable NX-OS with Ansible, Terraform, and REST API support for day-0 through day-N operations.
Let’s find the right Nexus 9400 configuration
Whether you need help with chassis, LEMs, 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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