Zyxel 52-port Managed Layer2+ Gigabit Ethernet switch, 48x Gigabit metal + 4x 10

52-port Managed Layer2+ Gigabit Ethernet switch, 48x Gigabit metal + 4x 10GbE SFP+ ports, L2 multicast, IGMP snooping, MVR, IP source guard, DHCP snooping, ARP inspection, CPU protection, IPv6, 802.3az (Green)