D-Link DGS-3000-52X/B1A

D-Link DGS-3000-52X/B1A / 48 10/100/1000Base-T ports + 4 10GBase-X SFP+ ports L2 Managed Switch Interfaces: 48 x 10/100/1000 Mbps, 4 x SFP+ Port Standards & Functions: IEEE 802.3 10Base-T, IEEE 802.3u 100Base-TX, IEEE 802.3ab 1000Base-T, IEEE 802.3z 1000Base-X, IEEE 802.3ae 10GBase-X, IEEE 802.3x Flow Control for full-duplex mode, auto-negotiation 100 to 240 VAC 50/60 Hz / 440 x 210 x 44 mm