TP-LINK JetStream 24-Port Gigabit L2 Managed Switch with 4 SFP Slots T2600G-28TS (TL-SG3424) Features: Gigabit Ethernet connections on all ports provide full speed of data transferring L2+ feature——Static Routing, helps route internal traffic for more efficient use of network resources IP-MAC-Port Binding, ACL, Port Security, DoS Defend, Storm control, DHCP Snooping, 802.1X Authentication and Radius provide you robust security strategies L2/L3/L4 QoS and IGMP snooping optimize voice and video application IPv6 support with dual IPv4/IPv6 stack, MLD snooping, IPv6 neighbor discovery Web, CLI (Console Port, Telnet, SSH), SNMP, RMON and Dual Image bring abundant management policies JetStream 24-port Pure-Gigabit L2 Managed Switch, 24 10/100/1000Mbps RJ45 ports including 4 Gigabit SFP slots, Static Routing, Port/Tag/Voice/Protocol-Based VLAN, Q-in-Q(Double VLAN), GVRP, STP/RSTP/MSTP, IGMP V1/V2/V3 Snooping, COS, DSCP, Rate Limiting, 802.1x, IEEE 802.3ad, L2/3/4 ACL, IP Clustering, Port Mirroring, IP Source Guard, SSL, SSH, CLI, SNMP, RMON, 1U 19-inch rack-mountable steel case Detail: http://www.tp-link.co.id/products/details/cat-39_T2600G-28TS.html