4 x 10/100Mbps PoE ports, and and 2 × 10/100Mbps RJ45 ports.IEEE 802.3at/af standard for PoE ports (Max. 35 W PoE output).IEEE 802.3, IEEE 802.3u, and IEEE 802.3x standard.6 KV surge protection for PoE ports.Up to 300 m long-range transmission.Wire-speed forwarding.Store-and-forward switching.Solid high-strength metal shell.Reliable fan-free design.GARANSI RESMI 2 TAHUN