The D-Link DGS-1520-52/E Switch is a DGS-1520 Series Layer 3 Stackable Smart Managed Switch featuring 4 x 10G ports for stacking and uplink 48 x 10/100/1000BASE-T 2 x 10GBASE-T 2 x 10G-SFP+ High stacking bandwidth Advanced L2 and L3 features D-Link Green technology to save power. Please note: UK power adapter not included!