This new product has an extremely efficient power saving function. Power consumption of a standard PC would usually take over 300W. Even when KPC K48 is in full use mode, power consumption is only at less 55W and 30W power is consumed when the computer is in idle mode. Not only does it cut down 1/3 power consumption but it also saves money for you. All KPC components follow strict standards of RoHS. This is Shuttles effort in saving our earth and our next generation.Show your environmental consciousness in action Energy efficient, power consumption and cost reduced, KPC K48 gets the label of Energy Star 4.0, which means that it definitely helps you save money and protect the environment.