The DGS-1520 series is the next generation of D-Link's stackable smart managed switches with 10 gigabit ports. The DGS-1520-28 has 24 gigabit RJ45 ports, two 10GBASE-T ports and two 10G SFP+ ports. Number/type of ports: 24 x 10/100/1000BaseT, 2 x SFP+, 2x 10Gbase-T SFP/SFP+ ports: No / 2 10G ports: 2 x SFP+/ 2 x RJ45 Management level: Smart Managed PoE ports/PoE power budget: No/No OSI level/stackable: Layer 3 / Yes Fan: 1 x Smart Housing shape/material: 19 inch / metal
