D-Link Ports: 8 100M PoE electrical ports + 1 Gigabit electrical ports, backplane bandwidth: 3.6G, packet forwarding rate: 2.7M, PoE power: single port maximum 30W/ machine maximum power 80W, power supply: DC 54V external Power supply, one-key VLAN function, size: 175x105x27mm (6.9 inches, iron case), desktop type can be wall-mounted, non-network management PoE switch