Description
The Cisco C9400X-SUP-2XL is a high-performance supervisor engine designed for the Catalyst 9400 Series modular switches, offering advanced scalability, enhanced security, and high availability for enterprise campus networks. Built to support up to 9 Tbps of system bandwidth, this supervisor module is ideal for large-scale deployments requiring fast, reliable data throughput and redundancy. Its dual-core CPU architecture and 16 GB of DRAM ensure efficient control plane performance, while the integrated 1 TB M.2 SATA SSD provides ample storage for logs, images, and configurations. The front-panel design includes a range of interfaces such as USB, RJ-45 console, and management ports for simplified configuration and monitoring.
This unit supports features like Cisco StackPower, MACsec encryption, and advanced telemetry, enabling secure and intelligent network operations. It includes dual 100G uplinks, allowing for high-speed connections to core or aggregation layers. For those seeking used network hardware, the C9400X-SUP-2XL remains a valuable investment due to its robust build quality, longevity, and compatibility with existing Catalyst 9400 chassis. When purchasing pre-owned, it’s important to verify that the unit includes essential components such as the SSD, fan tray, and proper licensing to ensure full functionality.

