XGS1930-28 Models Product name 24-port GbE Smart Managed Switch with 4 SFP+ Uplink Switch class Smart Managed Port Density Total port count 28 100/1000 Mbps 24 10 Gigabit SFP+ 4 PoE PoE ports - Total PoE budget (Watts) - High power PoE 802.3at - Performance Switching capacity (Gbps) 128 Forwarding rate (Mpps) 95.2 Packet buffer (byte) 1.5 M MAC address table 16 K L3 forwarding table Max. 512 IPv4 entries; Max. 512 IPv6 entries Routing table 32 IP interface (IPv4/IPv6) 32/32 Flash/RAM 32 MB/512 MB Power Input 100 to 240 V AC, 50/60 Hz Max. power consumption (watt) 24.6 Physical Specifications Item Dimensions (WxDxH)(mm/in.) 441 x 270 x 44/17.36 x 10.63 x 1.73 Weight (kg/lb.) 3.4/7.5 Included accessories Power cord Rack mounting kit Green Feature Fanless Yes Environmental Specifications Operating Temperature 0°C to 50°C/32°F to 122°F Humidity 10% to 90% (non-condensing) Storage Temperature -40°C to 70°C/-40°F to 158°F Humidity 10% to 90% (non-condensing) MTBF (hr) 1,211,024 Heat dissipation (BTU/hr) 83.886 Acoustic noise @ 25°C (dBA) 0