DS-3T1528HP-SI-24P4F

L2, Smart Managed, 24 Gigabit PoE ports, 4 Gigabit SFP ports, 802.3af/at/bt, port 1-4 support Hi-PoE 90w, power budget ≤480w based on power supply, power supply unit not included , -40°C to 75°C, HPP Cloud managed, VLAN, STP/RSTP /ERPS, DHCP Snooping, ACL, IP&MAC filter based on port, SNMP V1/V2C, Max. 300 meter PoE transmission, Rack mount