48-Port L2 Managed Gigabit PoE++ Switch with 4 10G SFP slots GS2048PS4

● Conforms to IEEE802.3, IEEE 802.3u, IEEE802.3ab, IEEE802.3x, IEEE802.3z, IEEE802.3af/at/bt, IEEE802.3ad
● Provides 48 10/100/1000Base-T ports and 4 10Gigabit SFP+
● Provides 48 PoE ports,1-4 ports support IEEE802.3af/at/bt, 5-48 ports support IEEE802.3af/at, 750W Built-in power supply
● High back-plane bandwidth 176Gbps
● IEEE802.3x Flow control
● Surge protection for power port and data ports