JetStream™ 48-Port Gigabit PoE+ Smart Switch, 48 Gigabit RJ45 ports including 4 SFP ports, 802.3at/af, 384W PoE power supply, Static Routing, Tag-based VLAN, STP/RSTP/MSTP, IGMP V1/V2/V3 Snooping, 802.1P QoS, Rate Limiting, Port Trunking, Port Mirroring, SNMP, RMON, 1U 19-inch rack-mountable steel case