24+4 port gigabit switch with 24x 10/100/1000 Mbps, 4x 10G SFP+ slots to accommodate SFP/SFP+ modules (dual speed), fanless, management via CLI (console, Telnet), web and SNMP, supports spanning tree (STP, RSTP, MSTP), IPv6, VLAN, LACP, IGMP, QoS, OAM according to IEEE802.3ah and IEEE802.3ag, including 19' mounting kit