The first of the Green Ethernet products the DGS-1024D provides 3 key benefits to end users through its cutting edge innovative eco-friendly technology. Reduces power consumption & creates less heat. Extended product life, Reduces Operating Costs. Computers do not require Internet access all the time, neither do switches utilize all ports at all times. When a computer or network equipment is shutdown, switches often remain on and continue to consume considerable amount of power. With Green Ethernet technology, D-Link switches can automatically detect link status and reduce power usage of ports that are idle. Computers or any connecting parties set to standby mode (not power off), however, will not provide significant power savings.