IEEE 802.3at and IEEE 802.3af Power over Ethernet (PoE) compliant, 16x10/100Mbps Auto-MDIX PoEports, Provides up to 30 watts per PoE port, PoE power budget 230W, 4 KV surge protection for PoE ports, IEEE 802.3x flow control support, Plug-and-play installation, 7.2 Gbps switching fabric, 2.75 MbitsRAM Data Buffer, MAC address entries