D-Link DGS-3630-28TC/SI Brand New Includes Lifetime Warranty The D-Link 28-Port L3 Fully Managed Gigabit Switch is designed for Small Medium Businesses SMBs , Small Medium Enterprises SMEs , larger Enterprises, and ISPs. It features 20 x 10/100/1000 ports, 4 x 10/100/1000 or SFP combo ports, and 4 x 10GbE SFP ports. This switch supports core SMB and SME functionality, such as L2 switching, entry-level routing, L2 multicast, advanced QoS, OAM, and robust security features. With Gigabit Ethernet RJ45 and SFP ports, 10 GbE SFP ports, advanced security features, and advanced Quality of Service QoS , the DGS-3630 Series can act as core, distribution or access layer switches. 28-Port L3 Fully Managed Gigabit Switch Features 28 Gigabit Ethernet Ports 24 10/100/1000 Mbps BASE-T Ports 4 Gigabit SFP Ports Static Routing Switching Capacity 128 Gb/s Managed Switch IEEE 802.3x Flow Control D-Link Green Technology Safeguard Engine Security Protects Against Traffic Flooding Caused by Virus Attacks Access Control List Screens Traffic from Illegal MAC or IP Addresses Port Mirroring / Bandwidth Control Quality of Service QoS MTBF 300,190 Hours