One Switch Made to Expand Network: 16× 10/100/1000Mbps RJ45 Ports supporting Auto Negotiation and Auto MDI/MDIX Gigabit that Saves Energy: Latest innovative energy-efficient technology greatly expands your network capacity with much less power consumption and helps save money Reliable and Quiet: IEEE 802.3X flow control provides reliable data transfer and Fanless design ensures quiet operation Plug and Play: Easy setup with no software installation or configuration needed