Cisco WS-X4712-SFP+E Line Card — 12-Port 10G SFP+ for Catalyst 4500E

Unlock scalable, high-density 10 Gigabit Ethernet connectivity with the Cisco WS-X4712-SFP+E Line Card. Engineered for the Cisco Catalyst 4500E Series, this 12-port SFP+ expansion module delivers robust performance for campus core and distribution layers, data-center interconnects, and high-demand aggregation links. With flexible fiber support, Cisco IOS-based intelligence, and a design optimized for reliability and ease of management, the WS-X4712-SFP+E is a strategic upgrade path for networks demanding low latency, predictable throughput, and resilient operation. This line card is purpose-built to help organizations consolidate 10G deployments while preserving the scalability and manageability that Cisco networks are known for. Whether you are implementing virtualization, large-scale video workloads, or mixed traffic environments, the WS-X4712-SFP+E provides the performance headroom and feature set needed to support modern enterprise workloads.

• High-density 12 x 10G SFP+ ports enable dense uplinks and interconnects, providing ample bandwidth for server access, storage fabric, virtualization hosts, and distributed applications. This translates to fewer devices, simplified topology, and more efficient utilization of the campus backbone.
• 2.5:1 oversubscription design offers a balanced approach to capacity planning, allowing network managers to deploy dense 10G connectivity while maintaining headroom for bursty traffic patterns, large file transfers, and high-bandwidth services without compromising core performance.
• Hot-swappable, modular line card minimizes maintenance windows and service disruption. The WS-X4712-SFP+E is designed for rapid field replacement and upgrades, helping organizations maintain continuity during hardware refreshes or capacity expansions.
• Enterprise-grade Cisco IOS features bring advanced QoS, security ACLs, multicast support, traffic engineering, and detailed performance telemetry to the edge of the Catalyst 4500E network. This enables precise policy enforcement, improved application performance, and enhanced visibility for day-to-day operations.
• Seamless integration with Catalyst 4500E ecosystem ensures compatibility with supervisor engines, power, and cooling design, delivering a consistent management experience, familiar CLI, and robust reliability across the chassis. It’s a future-ready upgrade that aligns with Cisco’s policy-based networking approach and long-term investment protection.

Technical Details of Cisco WS-X4712-SFP+E Line Card

• Model: WS-X4712-SFP+E
• Product family: Catalyst 4500E Series
• Ports: 12 x 10-Gigabit SFP+ Ethernet ports
• Port speed: 10 Gbps per port; total maximum theoretical throughput up to 120 Gbps
• Backplane compatibility: Cisco Catalyst 4500E chassis backplane
• Oversubscription: 2.5:1 (as specified by design)
• Form factor: Line Card for the Catalyst 4500E Series chassis
• Power and cooling: Requires compatible power supply and chassis cooling; supports standard Cisco power and airflow configurations
• Operating system support: Cisco IOS family tailored to Catalyst 4500E; feature set varies by software version

How to install Cisco WS-X4712-SFP+E Line Card

Installing the WS-X4712-SFP+E line card is designed to be straightforward within the Catalyst 4500E environment. Follow these best practices to ensure a smooth, reliable upgrade or deployment, with minimal downtime and maximal performance from day one.

• Verify compatibility: Check that your Catalyst 4500E chassis, supervisor engine, and Cisco IOS software version support the WS-X4712-SFP+E. Review Cisco’s official hardware compatibility lists and ensure you have the correct transceivers for your fiber type and distance.
• Prepare the chassis: Ensure adequate cooling, clean air flow, and that any redundant power and cooling modules are in place. Have a spare SFP+ transceiver on hand if a temporary replacement is needed during the install or testing phase.
• Power considerations: Catalyst 4500E line cards are designed for hot-swapping in many configurations; you can perform installation in a powered chassis according to Cisco guidelines. If your maintenance window calls for power-down, follow standard power-down procedures for the chassis and supervisor before insertion.
• Remove the filler plate: If the slot is empty, remove the filler plate and prepare the slot for the new line card. Keep the area clean to avoid debris entering the backplane or ports.
• Install the line card: Align the WS-X4712-SFP+E with the slot, firmly slide it into the backplane until it seats fully, and secure the card with the locking mechanism. Ensure the card is level and properly seated to avoid contact issues with connectors or backplane pins.
• Connect fiber and power on: Attach the appropriate SFP+ transceivers and fiber cabling (single-mode or multi-mode) to each port as required by your network design. Power on the chassis or verify it remains stable if installing while powered. Monitor LED indicators and console output to confirm card detection and port status.
• Verify operation: After installation, verify that the line card is recognized by the supervisor and that all ports come up in the expected state. Perform basic connectivity checks (ping, traceroute) and run a quick throughput test to validate performance against expected 10G throughput per port.

Frequently asked questions

• What is the Cisco WS-X4712-SFP+E Line Card? It is a 12-port 10 Gigabit Ethernet SFP+ line card for the Cisco Catalyst 4500E Series, designed to provide high-density 10G connectivity for campus core and distribution networks, as well as data-center interconnects and high-performance aggregation layers.
• How many ports and what speed does it provide? The card provides 12 ports, each supporting 10 Gbps, enabling a total theoretical throughput of up to 120 Gbps across the card. Actual throughput depends on traffic patterns and policy settings.
• Is the WS-X4712-SFP+E hot-swappable? Yes. It is designed for hot-swapping in Catalyst 4500E chassis, allowing you to install or replace the card with minimal downtime according to Cisco guidelines.
• What fiber types and transceivers are supported? The line card uses SFP+ ports, so you can employ the appropriate transceivers for your fiber type (single-mode or multi-mode) and distance requirements, as specified by your deployment and Cisco transceiver compatibility guidelines.
• What features does it offer beyond basic connectivity? It leverages Cisco IOS capabilities with enterprise-grade QoS, security ACLs, multicast support, policy-based routing, traffic shaping, and detailed monitoring. These features help optimize performance, security, and visibility across the network.
• What deployment scenarios is this line card best suited for? It’s ideal for high-density campus core and distribution networks, data-center interconnects, and aggregation layers where large numbers of 10G uplinks are required to support virtualization, cloud services, and bandwidth-intensive applications.

Note: Specifications, compatibility, and features may vary by software version and hardware revision. Always refer to Cisco’s official documentation and your vendor’s catalog for the most current data and guidance.