gigabit switchfeatured with 8 10/100/1000mbps ports, tl-sg1008d 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 go green with your ethernetyou now have the choice to go green when upgrading to a gigabit network! this new generation tl-sg1008d 8-port gigabit 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.power down idle portswhen a computer or network equipment is off, the corresponding port of a traditional switch will continue to consume considerable amounts of power. the tl-sg1008d can automatically detect the link status of each port and reduce the power consumption of ports that are idle.power budget according to cable lengthideally, shorter cable would use less power because of less power degradation over their length