28-Port Gigabit Layer 2 Managed Switch including 4 x 10GE SFP+ ports. The DGS-3000 Series Gigabit L2 Managed Switches feature a variety of ports, including 10/100/1000BASE-T RJ-45 ports, 1G SFP ports, & 10G SFP+ ports for increased network bandwidth. Surge protection, advanced Layer 2 functions, & a suite of security & management tools make the DGS-3000 Series Gigabit L2 Managed Switches ideal for Metro Ethernet & campus applications.