XGS1930-28HP Models Product name 24-port GbE Smart Managed PoE 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 24 Total PoE budget (Watts) 375 High power PoE 802.3at Yes 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) 471 Physical Specifications Item Dimensions (WxDxH)(mm/in.) 441 x 330 x 44/17.36 x 12.99 x 1.73 Weight (kg/lb.) 4.6/10.14 Included accessories Green Feature Fanless - Environmental Specifications Operating Storage MTBF (hr) 1,369,432 Heat dissipation (BTU/hr) 1,606.11 Acoustic noise @ 25°C (dBA) 28.5