D-LINK DGS-1210-28/ME 28-Port Gigabit Metro Ethernet Switch

Interfaces : 24 x 1000Base-T 4 x 1000M SFP 24 x 10/100/1000BASE-T ports 4 x SFP ports 4 x Max IP Interface Console Port : Yes Switching Capacity : 56 Gbps Maximum Forwarding Rate : 41.7 Mpps Store & Forwarding Forwading : Yes Dimensions : 440 x 140 x 44 mm Weight : 2.21 kg Temperature : Operating: -5 to 50° C (23 to 122° F) Storage: -20 - 70 ˚C Humidity : Operating: 0% - 95% RH Storage: 0% - 95% RH Operating Altitude1500 m Max Power Consumption : 19.05 W/100 V 19.14 W/240 V Standby Power Consumption : 7.87 W/100V 8.21 W/240V Maximum Heat Dissipation : 60.12 BTU/hr Acoustic : 0 dB MTBF : 497,918 hours Power Input : 100 to 240 V AC CPU Speed : 400MHz DRAM Size : 256MB Flash Memory Size : 32 MB FAN : Fanless Packet Buffer Size : 1.5Mbits Comply with RoHS 6 : Yes Jumbo Frame : 9,216 Bytes IGMP Snooping : Max 1024 IGMP Snooping Groups Aggregation : 802.1AX Link 802.3ad Link 8 x Link Aggregation Group Per Device 8 x Max Port Per Link Aggregation Group