Extreme Networks 5420F 10G Uplinks 24-Port Ethernet Switch

Overview

The Extreme Networks 5420F-24T-4XE is an enterprise edge Ethernet switch designed to provide reliable Gigabit access and high-speed uplinks for campus and branch networks. It features 24 Gigabit Ethernet ports alongside four SFP+ slots that support 1 Gb or 10 Gb connections, enabling seamless integration of users, servers, and uplink trunks without the need for additional modules. With built-in Power over Ethernet (PoE) capabilities delivering up to 90 W per port, this switch supports a wide range of powered devices, simplifying network deployment and reducing cabling complexity.

Key features

• 24 Gigabit Ethernet access ports that connect a variety of devices with consistent performance
• Four SFP+ uplink ports supporting both 1 Gb and 10 Gb speeds for flexible, high-bandwidth connections to the core network
• Power over Ethernet support with adjustable power levels (30 W, 60 W, 90 W) to accommodate devices from VoIP phones to pan-tilt cameras and LED lighting
• Stacking capability for up to eight units, providing a combined 40 Gb stacking bandwidth per switch to create a scalable and resilient network fabric
• Comprehensive Layer 2 and Layer 3 features that enable advanced routing, segmentation, automation, and policy enforcement for secure and efficient network management
• Hardware-based MACsec encryption to protect data in transit and enhance network security
• Fixed internal power supply with an option for a secondary redundant supply to ensure continuous operation in critical environments
• Rack-mountable enclosure designed to fit standard racks in campus wiring closets or compact edge cabinets

Key specs

• Access ports: 24 Gigabit Ethernet
• Uplink ports: 4 SFP+ supporting 1 Gb or 10 Gb
• PoE power levels: 30 W, 60 W, and 90 W per port
• Stacking: up to 8 units with 40 Gb stacking bandwidth per switch
• Security: hardware-based MACsec encryption
• Power supply: fixed internal with optional secondary redundant supply
• Form factor: rack-mount enclosure

Connectivity and compatibility

This switch offers versatile connectivity options suitable for a variety of network setups. The 24 Gigabit Ethernet ports provide ample connections for end-user devices, while the four SFP+ uplink ports allow for flexible integration with existing fiber or copper infrastructure at either 1 Gb or 10 Gb speeds. The PoE support enables powering of network devices directly through the switch, reducing the need for separate power sources and simplifying installation.

Performance and reliability

The 5420F-24T-4XE delivers wire-speed forwarding on all ports thanks to its non-blocking architecture, ensuring smooth data flow even during peak traffic periods. Its stacking capability creates a high-capacity backplane that enhances network resilience and simplifies management by treating multiple switches as a single logical unit. The option for a redundant power supply adds an extra layer of reliability, making it suitable for environments where uptime is critical.

Ideal uses and environments

This switch is well suited to healthcare facilities, education campuses, and distributed enterprises that require secure, high-performance network access at the edge. Its PoE flexibility supports a wide range of devices commonly found in these settings, such as VoIP phones, wireless access points, security cameras, and smart lighting. The robust Layer 2 and Layer 3 features combined with MACsec encryption make it a strong choice for organizations that need to protect sensitive data while maintaining straightforward network administration.