ProSafe Gigabit PoE/PoE+ Smart Switch with 24 10/100/1000 Mbps auto-sensing Gigabit-Ethernet switching ports, and four dedicated 1000M SFP fiber ports. Port 1-8: IEEE 802.3at PoE+, providing up to 30W of DC power through each port; Port 9-24: IEEE 802.3af PoE, providing up to 15.4W of DC power through each port.