TP-Link TL-SG1428PE, Protocols IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3x, IEEE 802.3af, IEEE 802.3at, IEEE 802.1q, IEEE 802.1p, Interface 26 10/100/1000 Mbps RJ45 Ports 2 Gigabit SFP Port, Power 100-240V AC, 50/60 Hz, PoE+ Ports(RJ45) Standard 802.3at/802.3af compliant, PoE+ Ports: 24 Ports, Power Supply 250 W, Capacity 56 Gbps, Jumbo Frame 9KB. TP-Link 28-port Gigabit Easy Smart Switch With 24-port Poe+ 32xvlan 56gbps Switching Capacity Rack Mountable. The TL-SG1428PE is fully compatible with PoE devices, such as IP cameras, access points, and IP phone.