PSU format:ATX; Connectors:8pin CPU 1x, 8pin CPU 2x, PCIe 6-pin, PCIe 8-pin, SATA 15-pin, Molex, FDD; Motherboard connectors:ATX 20-pin, ATX 24-pin, EPS 8-pin; PSU properties:Modular cablingSteelPower SERIES80 PLUS Bronze certified efficiencyFully modular cable managementHalf-bridge LLC converter with DC-to-DC technologyPremium Japanese capacitorsFDB 12cm fan TECHNICAL SPECIFICATIONS ModelSteel PowerArticle no.BDK-550FCEAN code0753263077417Weight (without/with package)1.62kg / 2.17kgAC input100-240V / 8.0AFrequency47 - 63Hz+5V20.0A+3.3 V20.0A+5 V & +3.3 V combined100W+12 V145.5A+12V2-+12V1, +12V2 combined546W P.F.>0,9-12 V0,3A / 3,6W+ 5VBS2,5A / 12,5WMaximum Power550WConnectors 20+4 PIN ATX1 8 PIN EPS (4+4)2 8 PIN PCIe (6+2)2 SATA6MOLEX3/1Cable length (mm)20+4 PIN ATX6508 PIN EPS (4+4)600/1508 PIN PCIe (6+2)500/150SATA2x 500/150/150MOLEX / FLOPPY500/150/150/150FeaturesATX12V VersionATX 12V 2.3Efficiency80 PLUS BronzeDimension (D x W x H)140 x 150 x 86mmPFCActive PFC (0,9)Fan120mm FDB silent fanSecurityAFC (Automatic Fan speed Control)OCP (Overcurrent protection)OPP (Overload protection)OTP (Over-temperature protection)OVP (Overvoltage protection)SCP (Short-circuit protection)SIP (Surge & Inrush Protection)UVP (Under Voltage protection)Warranty60 Months