D-Link Systems 20-Port SmartPro Stackable Switch & 2 Gigabit SFP Ports and 2 10GbE SFP+ Ports (DGS-1510-20) Sixteen (16) 10/100/1000BASE-T Ports Two (2) 10-Gigabit SFP+ Ports Two (2) Gigabit SFP Ports Ideal for SMB networks with large bandwidth demands requiring 10G uplinks, Physical Stacking, and L3 Static Routing Security features include IP-MAC-Port binding, Safeguard Engine, ACL, and ARP Spoofing Prevention IPv6 management / IPv6 Neighbor Discovery / IPv6 static routing. Auto negotiation Advanced management and security features similar to those of a fully managed switch, but at the price of a smart switch