features: 5 10/100/1000mbps auto-negotiation rj45 ports supporting auto-mdi/mdix ieee 802.3x flow control provides reliable data transfer steel housing, desktop or wall-mounting design supports qos (ieee 802.1p) and igmp snooping function plug and play ,no configuration needed what this product does the tp-link 5-port 10/100/1000mbps desktop switch provides you an easy way to make the transition to gigabit ethernet. increase the speed of your network server and backbone connections, or make gigabit to the desktop a reality. moreover, tl-sg105 adopts lower power consumption design. with the innovative energy-efficient technology, the tl-sg105 can save up to 65% of the power consumption, making it an eco-friendly solution for your home or office network. gigabit switch featured with 5 10/100/1000mbps ports, tl-sg105 greatly expands your network capacity, enabling instant large files transferring. so, power users in the home, office, workgroup, or creative production environment can now move large, bandwidth-intensive files faster. transfer graphics, cgi, cad, or multimedia files across the network instantly. go green with your ethernet you now have the choice to go green when upgrading to a gigabit network! this new generation tl-sg105 5-port 10/100/1000mbps desktop switch features the latest innovative energy-efficient technologies that can greatly expand your network capacity with much less power. it automatically adjusts power consumption according to the link status and cable length to limit the carbon footprint of your network. hardware features: