About this item Gigabit Ports: 48 gigabit ethernet ports, 4 gigabit SFP, switching capacity is 256Gbps, each port can reach 1G rate at the same time, with higher data throughput. 16K Mac address table, more devices can be connected and can be used in large networks High POE Power 600W: Ports 1-4 support IEEE802.3af/at/bt, max 90W. Ports 5-48 support IEEE802.3af/at, max 30W. Built-in power supply, the whole machine supports 600W. *Please note: it will not supply power to passive 24V PoE and NON-PoE devices.* Web Managed: Support POE port and Layer 2 management, such as VLAN, Port Aggregation/Mirroring/Isolation, Speed Limitation, Flow Control, QoS, Port Security, Spanning Tree, Multicast, DoS defend, Storm control, DHCP Snooping. Support WEB/ClI/SNMP. Smart Heat Dissipation: Using 2 industrial-grade fans, intelligent design, automatic start and stop according to the power used, automatic adjustment of the speed, more energy saving and extended use time. Widely Used: Support status query, port statistics, fault detection, easy-to-use maintenance and management. Durable Metal housing, 1U rackmount, widely used in home/business/project PoE network.