Port Configuration: 24 x 10/100/1000 Mbps Gigabit PoE Ports 2 x Gigabit SFP Uplink Ports Power over Ethernet (PoE): PoE Standard: 802.3af/at Maximum PoE Power per Port: 30W Network Management: VLAN Support Quality of Service (QoS) Link Aggregation SmartConsole Utility D-Link Network Assistant Security Features: MAC Address Filtering Port Security Access Control Lists (ACL) Design: Metal Housing Fanless Design Compact Form Factor Wide Operating Temperature Range