... .0mm*30.0mm*26.0mm 3. Efficiency:90% Iwill DC Power Board DC12V120W Specification: Temperature: Operating Temperature:0 OC -- +40 OC Storage ... Output: ATX(+12V,+5V,-12V,+3.3V,+5VSB)Power: Under +12V/DC, 100% load,power is Max 81.4WEfficiency: Under +12V/DC ... :FR-4,thickness of the copper foil:2Oz,double-sided board.Weight: Weight:60.0 ± 1 GPictures: Iwill DC Power Board DC12V120W