Compact Gigabit switch features five 10/100/1000MB/s RJ45portsto help you expand your home or office network seamlessly Compatible with IEEE 802.3af compliant computers, printers, scanners, and storage devices Four PoE (power over Ethernet) ports provide faster data transfers and supply power on one single cable Features 15.4W of maximum power for each PoE port and up to 56W of total power on all PoE ports 802.1p/DSCP Qos ensures smooth latency-sensitive traffic even with congested networks for lag-free media streaming and clear voice calling Plug-and-play installation means the switch requires no configuration or software installation on your computer Easy-to-use switch requires no configuration and software installation for out of the box convenience Lightweight design with sturdy steel casing offers long-lasting durability