WS-X4624-SFP-E Cisco 4500 E-Series 24 Ports Expansion Module

Overview of Cisco WS-X4624-SFP-E Expansion Module

The Cisco WS-X4624-SFP-E is a powerful 24-port Gigabit Ethernet expansion module engineered for scalable enterprise switching environments. Designed for high-density network architectures, this module enhances flexibility and throughput within the Catalyst 4500 E-Series platform, delivering reliable wired connectivity for modern data centers and campus networks.

this plug-in expansion solution is optimized for performance, redundancy, and long-term operational stability, making it ideal for mission-critical deployments requiring high availability and consistent data flow.

Product Information

• Manufacturer: Cisco
• Part Number: WS-X4624-SFP-E
• Device Type: Expansion Module
• Form Factor: Plug-in network module
• Primary Usage: Data networking and enterprise switching enhancement

Technical Specifications

• Total Ports: 24 x SFP (mini-GBIC slots)
• Interface Type: Gigabit Ethernet over fiber or copper via SFP transceivers
• Connectivity: Fully wired Ethernet architecture
• Data Link Protocol: IEEE-compliant Gigabit Ethernet

Performance and Throughput

• Aggregate Data Transfer Rate: Up to 24 Gbps switching capacity
• Jumbo Frame Support: Up to 9216 bytes for optimized large packet handling
• High-throughput architecture for enterprise backbone traffic

Reliability Metrics

• Mean Time Between Failures (MTBF): 591,109 hours
• Designed for continuous 24/7 mission-critical operations
• Optimized thermal and power efficiency for long-term stability

Supported Networking Standards

• IEEE 802.1p Quality of Service (QoS)
• Port Aggregation Protocol (PAgP) support
• Advanced traffic prioritization for enterprise workloads

Operational Tolerance

• Operating Temperature: 41°F to 104°F (5°C to 40°C)
• Operating Humidity: 10% to 90% (non-condensing)

Global Compliance Standards

• NEBS Level 3 compliance for telecom-grade reliability
• CISPR 22 Class A electromagnetic emissions compliance
• UL 1950 and EN 60950 safety standards
• IEC 950 electrical safety certification

Additional Regulatory Approvals

• VCCI Class A ITE compliance
• CSA 22.2 No. 950 certification
• EN55022 Class A and EN55024 Class A
• AS/NZS 3548 compliance
• RoHS environmental compliance for restricted substances

Supported Cisco Catalyst Platforms

Compatible Systems

• Catalyst 4503-E chassis
• Catalyst 4506-E chassis
• Catalyst 4503-E Data Bundle configurations
• Catalyst 4503-E PoE Bundle systems
• Catalyst 4506-E PoE GE Bundle platforms

System Integration Characteristics

Slot Architecture

• Occupies one dedicated expansion slot
• Hot-plug capable within supported chassis configurations
• Designed for modular scalability and network expansion

Common Deployment Environments

• Enterprise campus backbone switching
• Data center aggregation layers
• High-density server connectivity networks
• Telecom and service provider infrastructures

Performance and Scalability

• High-density 24-port Gigabit SFP expansion
• Reliable 24 Gbps aggregate performance capacity
• Extended MTBF for enterprise-grade durability
• Flexible fiber or copper connectivity options

Cisco WS-X4624-SFP-E 4500 E-Series 24-Port Expansion Module

The Cisco WS-X4624-SFP-E 4500 E-Series 24 Ports Expansion Module represents a high-performance switching enhancement component designed for enterprise-grade modular networking environments. Built to extend the capabilities of the Cisco Catalyst 4500 E-Series chassis, this expansion module is engineered to deliver scalable fiber connectivity, enhanced aggregation capacity, and improved network flexibility across campus, enterprise, and data center access layers. As part of the broader networking ecosystem developed by wait spec requires entity format:

As part of the broader networking ecosystem developed the WS-X4624-SFP-E module integrates seamlessly into modular switches, allowing organizations to expand fiber port density while maintaining consistent performance, reliability, and operational simplicity across large-scale deployments.

Architectural Design and Modular Switching Integration

Advanced Line Card Architecture

The WS-X4624-SFP-E is designed as a high-density SFP-based line card that fits into Cisco Catalyst 4500 E-Series chassis systems. Its architecture is built around a high-throughput switching fabric that enables efficient packet forwarding between ports with minimal latency. The module’s internal design ensures that each of the 24 ports can operate independently while leveraging centralized switching intelligence provided by the supervisor engine.

Seamless Backplane Connectivity

Integration into the Catalyst 4500E backplane allows the expansion module to communicate with other installed line cards at high speed. This backplane architecture is optimized for deterministic forwarding, ensuring that traffic flows remain stable even under heavy network load conditions. The result is a resilient switching platform capable of supporting mission-critical enterprise workloads.

Hot-Swappable Expansion Capability

One of the defining advantages of the WS-X4624-SFP-E module is its hot-swappable design. This feature allows network administrators to install, replace, or upgrade the module without shutting down the entire switch chassis. This capability is essential for maintaining continuous network availability in environments where downtime is not acceptable.

24-Port SFP-Based Fiber Connectivity

High-Density Optical Networking

The module provides 24 SFP (Small Form-Factor Pluggable) ports, enabling flexible fiber connectivity options across short, medium, and long distances. These ports support a wide range of optical transceivers, allowing organizations to deploy multimode or single-mode fiber links depending on infrastructure requirements.

Flexible Transceiver Compatibility

The WS-X4624-SFP-E supports multiple Cisco-certified SFP modules, including Fast Ethernet and Gigabit Ethernet optics. This flexibility allows network architects to design scalable topologies that adapt to evolving bandwidth requirements without replacing the entire switching infrastructure.

Optimized Bandwidth Distribution

Each of the 24 ports is engineered to handle high-throughput traffic efficiently, distributing bandwidth evenly across connected endpoints. This ensures predictable network performance for applications such as virtualization, VoIP, video conferencing, and large-scale data transfers.

Performance and Switching Capabilities

High-Speed Packet Forwarding

The module leverages Cisco’s advanced switching fabric technology to ensure fast packet processing and minimal latency. This enables efficient communication between devices connected across the Catalyst 4500E platform, supporting both Layer 2 switching and Layer 3 routing functions depending on system configuration.

Non-Blocking Architecture

Designed with enterprise workloads in mind, the WS-X4624-SFP-E supports a non-blocking architecture that allows simultaneous full-speed communication across all active ports. This ensures that network congestion is minimized even during peak usage periods.

Scalability for Growing Networks

As organizations expand their digital infrastructure, the module provides a scalable foundation that accommodates increased device density without compromising performance. Additional modules can be added to the chassis, enabling gradual network expansion aligned with business growth.

Enterprise and Campus Deployment Scenarios

Campus Backbone Integration

The WS-X4624-SFP-E is commonly deployed in enterprise campus environments where high-density fiber connectivity is required between distribution and access layers. Its ability to aggregate multiple fiber links makes it ideal for backbone connectivity in educational institutions, corporate campuses, and government facilities.

Data Center Edge Connectivity

In data center environments, the module provides reliable edge switching capabilities for connecting servers, storage systems, and aggregation switches. Its high port density ensures efficient consolidation of network links, reducing infrastructure complexity.

Enterprise Branch Connectivity

Branch offices benefit from the module’s flexible fiber support, enabling secure and high-speed WAN connectivity to headquarters or cloud-based services. This enhances application performance and ensures consistent user experience across distributed locations.

Network Management and Operational Control

Integrated Cisco IOS Support

The module operates under Cisco IOS-based management systems, allowing administrators to configure, monitor, and troubleshoot network behavior using familiar command-line and graphical interfaces. This ensures consistent operational workflows across Catalyst platforms.

Carrier-Class Reliability

The WS-X4624-SFP-E is engineered for high availability environments where uninterrupted connectivity is critical. Its hardware design minimizes failure points and ensures stable operation under continuous load conditions.

Redundant System Architecture

When used in conjunction with redundant supervisor engines and power supplies within the Catalyst 4500E chassis, the module contributes to a fully resilient network architecture capable of maintaining uptime during component failures.

Security and Access Control Capabilities

Enterprise-Grade Network Security

The module supports advanced security features provided by the Catalyst switching ecosystem, including port security, access control lists, and authentication mechanisms. These features help protect enterprise networks from unauthorized access and malicious traffic.

Segmentation and Traffic Isolation

Through VLAN segmentation and policy-based routing, administrators can isolate network traffic across different departments or services. This enhances security and improves overall network efficiency.

Secure Management Access

Administrative access to the module can be secured using encrypted management protocols, ensuring that configuration changes and monitoring activities are protected from interception or unauthorized modification.

Quality of Service (QoS) Optimization

Traffic Prioritization Mechanisms

The WS-X4624-SFP-E supports advanced QoS policies that allow network administrators to prioritize critical traffic such as voice, video, and real-time applications. This ensures consistent performance for latency-sensitive services.

Bandwidth Allocation Controls

Administrators can define bandwidth allocation rules to ensure fair distribution of network resources across users and applications. This helps prevent congestion and improves overall user experience.

Latency Reduction Techniques

By leveraging optimized switching paths and hardware-based forwarding, the module minimizes latency across connected devices, making it suitable for environments requiring real-time responsiveness.

Compatibility and System Integration

Cisco Catalyst 4500E Ecosystem Integration

The WS-X4624-SFP-E is fully compatible with Cisco Catalyst 4500E Series chassis systems, including various supervisor engines and line cards. This ensures seamless integration within existing network infrastructures.

Interoperability with Network Devices

The module supports interoperability with a wide range of network devices including routers, switches, and servers, making it suitable for heterogeneous enterprise environments.

Energy Efficiency and Operational Optimization

Power-Aware Design

The WS-X4624-SFP-E incorporates energy-efficient design principles that optimize power consumption based on port utilization. This reduces operational costs while maintaining high performance.

Dynamic Power Management

Ports that are not actively in use can enter low-power states, contributing to overall energy savings within large-scale deployments.

Thermal Efficiency

The module is engineered to operate within the thermal constraints of the Catalyst 4500E chassis, ensuring stable performance even in high-density configurations.