24-port Gigabit switch, 24 Gigabit RJ45 ports, IGMP snooping, loop detection/prevention, 802.1p/DSCP QoS, DIP switches for switch/VLAN/Extend operating modes, rack-mountable steel enclosure, plug-and-play, Rack-mount kits include: A 24-GbE switch with VLAN/Extend features and a fanless cooling system.