D-LINK DGS-3630-28TC/SI 20-port GE Layer 3 Stackable Managed Gigabit Switch

20-port GE Layer 3 Stackable Managed Gigabit Switch including 4-port Combo 4-port Combo 1000BaseT/SFP plus 4 10GE SFP+- 4 10GE SFP+, 80Gbps physical stacking bandwidth- Switching Capacity 128 Gbps- Packet Forwarding Rate 95.24 Mpps- Up to 9 units per stack with other DGS-3630 series switches- Up to 32 units for Virtual Stacking/Clustering (Single IP Management) up to 20Gbps stacking bandwidth- IEEE 802.3ah Ethernet First Mile (EFM), IEEE 802.1ag/ITU-1731 OAM- MTBF 300,190.46 hours- Weight 3.74kg- Dimensions 441x259x44mm* EI Enhanced Image features Super VLAN, L 3 Routing and L3 Multicast*MI MPLS Image features L3 Routing and MPLSSee datasheet for more information. www.dlink.com* available by firmware image upgrade purchase option - #Switch Managed