Extreme Networks 4220-48P-4X managed Layer 3 PoE+ switch. Removed from a school deployment during a vendor change — roughly one year in service.

Ports: 48 × 10/100/1000BASE-T with 802.3at PoE+, up to 30W per port. 4 × 1G/10G SFP+ uplink/stacking slots. Dedicated out-of-band management port, RJ-45 serial console, USB-A, USB Micro-B console.

PoE budget: 370W total across all 48 ports.

Layer 3 routing, stackable. 1U rack mount, 17.4" W × 13" D × 1.7" H, 11.2 lb.

Released from the previous owner’s ExtremeCloud IQ account — ready to claim into yours. Manageable via ExtremeCloud IQ or locally.

Rack ears included. No SFP+ transceivers (the uplink slots ship unpopulated), no power cord, no retail box. Light surface marks — see photos. Powers on and passes traffic. Sold as-is, no returns. Note that Extreme warranties are not transferable; this unit carries no manufacturer coverage.