Catalyst 9300 24-port PoE+, Network Esse. Features 24 networking ports to establish large network,Cascade to other network devices through the uplink port to expand your local area network,Stack port provides an easy and hassle-free way to extend your office network,Gigabit Ethernet port for ultra-fast network speeds,Layer 2 switch provides a complete lineup of features including IGMP snooping, port mirroring, and spanning tree,Management capability provides control over setup and configuration of your network,Built-in power supply to ensure all components are being supplied with accurate voltage