24-port 10/100/1000Mbps Managed Switch Grandstream "GWN7803", 4xSFP expansion slot//24 Gigabit Ethernet ports and 4 Gigabit SFP portsSupports deployment in IPv6 and IPv4 networksProvides quaternary binding of IP, MAC, VLAN & port; ARP Inspection, IP Source Guard, DoS protection, port security & DHCP snoopingLocal Web UI to manage switch; GWN.Cloud and GWN Manager, Grandstream’s cloud and on-premise Wi-Fi management platformBuilt-in QoS allows for prioritization of network traffichttps://www.grandstream.com/products/networking-solutions/network-switches/product/gwn7800series