UTT S1081P-24V Passive PoE 8-Port Unmanaged Fast Ethernet, PoE Switch, 8 Passive PoE Ports 130W, 24V Passive PoE, Additional 1-Port Fast Ethernet for Uplink 9 x ports at 10/100Mbps (8 out of 9 are Passive PoE ports) 24V Passive Power over Ethernet, 130W of max power Ideal for Ubiquiti and Mikrotik Passive PoE 24V models Auto-MDI/MDI-X function for any port Plug-and-play, Fanless design PoE: 8 x 10/100 Mbps Fast Ethernet 24v Passive ports. Uplink: 1 x 10/100 Mbps Fast Ethernet port. Chip: Aluminum chip with high thermal conductivity and low density achieve efficient heat dissipation. Distance: Scientific arrangement of 5.4mm distance sidewall heat dissipate ventilator. Material: Industrial steel housing, excellent heat conduction. Integrated circuit and 2-layer PCB design, effectively reduces the signal crosstalk, offers stable and reliable operation.