Extreme Networks 5420F 48 Ports PoE++ Rack-Mountable Ethernet Switch

Overview

The Extreme Networks 5420F-16MW-32P-4XE is a rack-mountable Ethernet switch designed to support modern enterprise networks with high-speed connectivity and robust power delivery. It features 48 copper access ports, including 16 multigigabit ports running at 2.5 Gbps with PoE++ for demanding devices like Wi-Fi 6 access points, and 32 ports at 1 Gbps with PoE+ for phones, cameras, and sensors. With a total PoE budget of 1862 watts and four SFP+ uplinks supporting 1 Gbps or 10 Gbps fiber connections, this switch ensures efficient power management and high-bandwidth uplinks for seamless network performance.

Key features

• Multigigabit ports that deliver higher speeds to support bandwidth-intensive devices without replacing existing cabling
• PoE++ and PoE+ power delivery that automatically adjusts wattage per device, simplifying installation and reducing energy waste
• Four front-facing SFP+ slots for flexible fiber uplinks, enabling fast and reliable connections to core network infrastructure
• Advanced Layer 3 routing protocols that optimize traffic flow by keeping inter-VLAN communication local and efficient
• Integrated MACsec encryption to secure data transmissions at wire speed, protecting sensitive information in regulated environments
• Stacking capability for up to eight units, combining bandwidth up to 304 Gbps and simplifying management through a single interface
• Standard rack-mount design that fits easily into existing network equipment setups

Key specs

• Access ports: 16 x 2.5 Gbps PoE++ and 32 x 1 Gbps PoE+
• Total PoE budget: 1862 watts
• Uplink ports: 4 x SFP+ supporting 1 Gbps or 10 Gbps fiber connections
• Stacking bandwidth: up to 304 Gbps aggregate
• Layer 3 routing support with MACsec encryption
• Form factor: rack-mountable

Connectivity and compatibility

This switch offers a versatile mix of copper and fiber connectivity options to accommodate a wide range of network devices and topologies. The multigigabit copper ports support faster speeds for newer devices while maintaining compatibility with standard Gigabit Ethernet equipment. The SFP+ uplinks provide flexible fiber connections for linking to core switches or data centers without bottlenecks. Its PoE capabilities power devices directly over Ethernet cables, eliminating the need for separate power supplies and reducing cable clutter.

Performance and reliability

Designed for demanding enterprise environments, the 5420F-16MW-32P-4XE delivers consistent performance with advanced Layer 3 routing that keeps traffic efficient and secure. The MACsec encryption protects data integrity and privacy without impacting throughput, making it suitable for sensitive applications in healthcare, finance, and government. The high PoE budget supports dense deployments of wireless access points and IoT devices, ensuring reliable power delivery even in complex setups.

Ideal uses and environments

This switch fits well in mid-size campus networks, branch offices, retail locations, and any site deploying bandwidth-intensive wireless or IoT devices. Its combination of multigigabit speeds, substantial PoE power, and secure routing makes it a strong choice for organizations looking to future-proof their network infrastructure while maintaining control and security. The stacking feature also allows network growth without increasing management complexity, supporting evolving business needs.