D-Link 24 PoE ports + 4 Gigabit SFP ports Web Smart Switch

D-Link 24 PoE 10/100/1000 ports + 4 Gigabit SFP ports Web Smart Switch, 48 Gbps Switching Capacity, Fanless, Reset Button x 1, 13-inch, 1U Desktop, Power Savings, Internet Group Management Protocol (IGMP) snooping, Loopback Detection (LBD), Cable Diagnostics, 802.1Q Virtual LAN (VLAN), Management VLAN, Asymmetric VLAN, Auto Voice VLAN, Quality of Service (QoS), Access Control List (ACL), 802.1X Access Control, Port Security, Broadcast/Multicast/Unicast Storm Control, D-Link Safeguard Engine, DHCP Server Screening, ARP Spoofing Prevention, Web-based GUI, Simple Network Management Protocol (SNMP).