SPECIFICATIONSModelHELIOS M1-550B POWERTypeATX12V v2.4 EfficiencyMeet 80 PLUS Bronze efficiency Power Factor CorrectionAPFC with PF value of 0.99 Support MB SyncNo Dimension(L x W x H)140 x 150 x 86 mm Support C6/C7 power stateYes AC Input100-240V / 4-8A / 47-63Hz DC Output+3.3V / +5V / +12V / -12V / +5Vsb Max. Output Current18A / 13A / 42A / 0.3A / 2.5A Max. Output Power100W / 504W / 3.6W / 12.5W Total Power550W ProtectionOVP / UVP / OPP / OCP / SCP Main Power1 (20+4 Pin) CPU1 (4+4 Pin) PCI-E2(6+2 Pin) SATA4 (4 Pin) Molex2 (3 Pin) ModularNon Modular Flat CableYes Cooling System120mm hydraulic bearing fan Silent ModeNo