Number of Ports- 24 x 10/100/1000 Mbps ports- 2 x 10/100/1000BASE-T/SFP combo portsPoE Standards- IEEE 802.3at- IEEE 802.3afPoE Ports- Ports 1 to 24 PoE Budget- 370 W - Up to 30 W per portStandards- IEEE 802.3 10BASE-T Ethernet- IEEE 802.3u 100BASE-TX Fast Ethernet- IEEE 802.3ab 1000BASE-T Gigabit Ethernet- IEEE 802.3z- IEEE 802.3x Flow Control- IEEE 802.3az Energy Efficient Ethernet (EEE)