Sustain powered edge infrastructure with a switch designed for access-layer density and uplink headroom. The Extreme Networks 5420F-16W-32P-4XE delivers 16 10/100/1000BASE-T PoE ports, 32 additional 10/100/1000BASE-T ports, and 4 x 10G SFP+ uplinks in a fixed-form-factor chassis. It is built for environments where endpoint power, segmentation, and predictable forwarding matter more than basic port count. With 802.3bt 90 W support on the PoE side and PoE+ across the access layer, this model can serve higher-draw devices without forcing a separate power architecture. MACsec support adds a security layer for traffic that crosses shared infrastructure, while stacking capability helps simplify expansion and management across adjacent closets. The internal fixed PSU design and modular PSU slot provide a practical balance of deployment simplicity and resilience. Choose this switch when you need more than a commodity access device. It is suited to enterprise closets, distributed campus networks, and edge aggregation points where uptime, power delivery, and 10 GbE uplinks justify the investment.