Hikvision DS-3E1518P-SI Smart Managed 16-Port Gigabit PoE Switch, 16 × gigabit PoE ports, and 2 × gigabit fiber optical ports, IEEE 802.3at/af standard for PoE ports, Network topology management, alarm push, network health monitor, PoE watchdog, Various layer 2 management protocols such as STP/RSTP, VLAN, link aggregation, SNMP, QoS, MAC Address Table: 8K, Switching Capacity: 56Gbps, Packet Forwarding Rate: 41.66Mpps, Internal Cache: 4.1Mbits, PoE Power Budget: 225W, 6KV surge protection for PoE ports, 100 to 240 VAC.