"JetStream™ 24-Port SFP L2+ Managed Switch with 4 10GE SFP+ Slots PORT: 20× Gigabit SFP Ports, 4× Gigabit SFP/RJ45 Combo Ports, 4× 10G SFP+ Slots, RJ45/Micro-USB Console Port SPEC: 1U 19-inch Rack-mountable Steel Case FEATURE: Integration with JetStream™ SDN Controller, Static Routing, OAM, sFlow, DDM, 802.1Q VLAN, QinQ, STP/RSTP/MSTP, IGMP Snooping, 802.1p/DSCP QoS, ACL, 802.1x, Radius/Tacacs+ Authentication, LACP, CLI, SNMP, Dual Image/Configuration, IPv6, Dual Redundant Power Supplies"