D-Link DGS-3630-28PC/SI. Switch type: Managed, Switch layer: L3. Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000), Basic switching RJ-45 Ethernet ports quantity: 20, USB 2.0 ports quantity: 1, Console port: RJ-45/Mini-USB. Full duplex. MAC address table: 68000 entries, Switching capacity: 128 Gbit/s. Networking standards: IEEE 802.1AX, IEEE 802.1D, IEEE 802.1Qbb, IEEE 802.1ag, IEEE 802.1p, IEEE 802.1s, IEEE 802.1w,.... Power over Ethernet (PoE). Rack mounting