Green Saving - Compliant to IEEE802.3 az and IEEE802.3 af (PoE only) standards. - Electricity will be supplied efficiently without any waste, save up to 40% of the power budget. Up to 40% power saving – Compliant to Green Standards and Lowering cost SMC GE Smart Switches are compliant to IEEE802.3 az and IEEE802.3 af (PoE only) standards. SMART Switch distributes electricity to per port by actively detecting the link status, the length of lines and flow. Electricity will be supplied properly and efficiently without any waste, and CO2 emissions will be reduced to save Mother Earth. SMC GE Smart Switch could save up to 40% of the power budget.