8 x 10/100Mbps Auto-MDIX PoEports, Provides up to 30 watts per PoE port, PoE power budget 123W, 4 kV surge protection for PoE ports, IEEE 802.3x flow control support, Plug-and-play installation, 1.8 Gbps switching fabric, 1.25 MbitsRAM Data Buffer, 4K MAC addres