"JetStream™ 28-Port Gigabit Smart Switch with 24-Port PoE+ PORT: 24× Gigabit PoE+ Ports, 4× Gigabit SFP Slots SPEC: 802.3at/af, 250 W PoE Power, 1U 19-inch Rack-mountable Steel Case FEATURE: Integration with JetStream™ SDN Controller, Static Routing, 802.1Q VLAN, STP/RSTP/MSTP, IGMP Snooping, 802.1p/DSCP QoS, ACL, 802.1x, Radius/Tacacs+ Authentication, LACP, CLI, SNMP, Dual Image, IPv6"