... power, Intel ATX 12V Version 2.31 2.)High energy efficiency, complies with Energy Stars and 80 PLUS ... energy efficiency, complies with Energy Stars and 80 PLUS *High efficiency more than 80%, available from ... to 87% efficiency.*Full range input with active power factor correction (PF>0.99).*Design to support ... energy efficiency, complies with Energy Stars and 80 PLUS,TYPICAL EFFICIENCY (50% Load): 84.2%.* ...