D-Link Ports: 16 100M PoE electrical ports + 1 Gigabit photoelectric combination port, backplane bandwidth: 5.2G, packet forwarding rate: 3.9M, PoE power: single port maximum 30W/ whole machine maximum 240W, power supply: AC 100-240V Built-in power supply, size: 440x208x44mm (iron case), standard rack type, non-network management PoE switch, port 6KV lightning protection, support standard switching/network cloning/one-key Vlan/extension mode switch, LCD display PoE status