Product Name MasterWatt Lite 500W Full Range Type Intel Form Factor ATX 12V V2.31 Input Voltage 100-240Vac Input Current 4-8A Input Frequency 50-60Hz PFC Active PFC (>0.9 typical) Power Good Signal 100-500ms Hold Up Time >10ms at 100% full load Efficiency 80% Typically Load MTBF >100,000 hours Fan Type 120mm HDB fan Noise level 20% Load : 19.9 dBA 50% Load : 21.9 dBA 100% Load : 33.2 dBA Regulatory TUV, CE, BSMI, FCC, cTUV-Rhus, KC, CCC, EAC, RCMC Protections OVP/UVP/OPP/OTP/OCP/SCP Certification 80 PLUS Standard ErP 2013 Complaint Yes Connectors MB 20+4 Pin : 1 CPU 12V 4+4 Pin : 1 PCI-e 6+2 Pin : 2 SATA : 6 4 Pin Peripheral: 3 Floppy : 1 Item Dimension (L inchxW inchxH inch) 6 x 6 x 4