4 × 10/100Mbps PoE ports 2 × Gigabit Ethernet uplink ports (10/100/1000Mbps) PoE Standard: IEEE 802.3af (15.4W/port) and 802.3at (30W/port) Total PoE Power Budget: Up to 300W Switching Capacity: 8.8 Gbps MAC Address Table: 2K entries Packet Buffer: ~1.5 Mb Jumbo Frame Support: Up to 9,216 bytes Switching Method: Store-and-forward Flow Control: IEEE 802.3x (full duplex), Back Pressure (half duplex)