Netgear 24-Port Gigabit PoE+ Smart Managed Pro Switch with 4 SFP Ports (190W)

Interfaces: 24x  10/100/1000 Mbps,auto-sensing Gigabit-Ethernet switching ports, and four dedicated 1000M SFP fiber ports.
PoE Ports:
• Port 1-8: IEEE 802.3at PoE+, providing up to 30W of DC power through each port
• Port 9-24: IEEE 802.3af PoE, providing up to 15.4W of DC power through each port
Bandwidth: 56 Gbps
Acoustic noise (ANSI-S10.12):31.8 dBA
Mean Time Between Failures (MTBF): 345,901 hours
Heat Dissipation(at AC 97VAC/47Hz and full PoE load) 84 Btu/H 901.2 Btu/H