D-Link DGS-3420-28TC/B1A

D-Link DGS-3420-28TC/B1A / Managed stackable Layer 3 switch with 20 10/100 / 1000Base-T ports , 4 100 / 1000Base-T / SFP combo ports and 4 10GBase-X SFP + ports Interface: 20 10/100 / 1000BASE-T ports, 4 10/100 / 1000BASE-T / SFP combo ports, 4 SFP + ports DPS-500 100-240 V AC, 50 / 60Hz / 441mm x 310mm x 44mm