The tp link tl sg1005d 5 port gigabit desktop switch provides an easy way to make the transition to gigabit ethernet you can increase the speed of your network server and backbone connections or make gigabit to the desktop a reality also the tl sg1005d has a lower power consumption design by automatically detecting the link status and cable length the device adjusts power consumption accordingly this feature works by powering down idle ports and allowing a shorter cable for less power