Description
The Cisco N9K-X9400-8D is an 8-port 400Gbps line card designed for the Nexus 9400 series modular switches, offering high-density, high-performance connectivity for data center environments. Built to support QSFP-DD transceivers, this module provides flexible deployment options including 400G, 200G, and 100G Ethernet, making it ideal for scalable spine-leaf architectures. Its hot-swappable design ensures minimal downtime during upgrades or maintenance, while its robust build quality supports long-term reliability in demanding network infrastructures. The front panel features clearly labeled ports and status LEDs for straightforward monitoring and operation.
This line card is powered by Cisco’s cloud-scale ASIC technology, delivering wire-rate Layer 2 and Layer 3 performance with advanced telemetry and traffic visibility. It supports features such as VXLAN, EVPN, segment routing, and comprehensive security controls, aligning with modern SDN and automation frameworks. With a total throughput of up to 3.2 Tbps, the N9K-X9400-8D is well-suited for high-bandwidth applications and future-proofing your data center. When purchasing used, buyers should verify the condition of the QSFP-DD ports and ensure the module is compatible with the specific Nexus 9400 chassis in use.

