D-Link 28-Port 10G Multi-Gigabit PoE++ Smart Managed Switch with 4 x 25G SFP28 Ports. Switch type: Managed, Switch layer: L2. Basic switching RJ-45 Ethernet ports type: 10G Ethernet (100/1000/10000), Basic switching RJ-45 Ethernet ports quantity: 24. MAC address table: 32000 entries, Switching capacity: 680 Gbit/s. Networking standards: IEEE 802.3x. Power over Ethernet (PoE). Rack mounting