Smart BM2 550W PS-SPD-0550MNFABx-1 Built to deliver 80 PLUS Bronze efficiency with up to 85% ofit, theSmart BM2 series is available in 450W/550W/650W/750W. Constructed with a 140mm rifle bearing fan, Japanesemain capacitors and other premium components, the Smart BM2 550W delivers a continuous and stable poweroutput at 40℃, allowing near silent operation and reliable performance. With an ample 5-year warranty, theSmart BM2 550W is able to satisfy the market, where value-oriented users are looking for a new power supplywith all the latest features. Specifications: P/N PS-SPD-0550MNFABx-1 watts 550W RGB Fan No Model SP-550AH3CCB-B Type ATX 12V v2.4 and EPS v2.92 Max. Output Capacity 550W Peak Output Capacity 660W Color Black Dimension ( W / H / D ) 150mm(W) x 86mm(H) x 160mm(D) PFC (Power Factor Correction) Active PFC Power Good Signal 100-500 msec Hold Up Time > 12msec at 80% of full load at 230Vac input Input Current 8A max. Input Frequency Range 47Hz -63Hz Input Voltage 100V-240V~ Operating Temperature 0°C to +40°C Operating Humidity 20% to 90%,non-condensing Storage Temperature -20 °C to +70 °C Storage Humidity 5% to 95%, non-condensing COOLING SYSTEM 140mm Fan: 2300 R.P.M. ± 10% Efficiency Meet 80 PLUS®Bronze at 115Vac input. MTBF 100,000 hrs minimum Safety Approval OVP/OCP/cTUVus/TUV/CE/FCC/S-mark/EAC/BSMI/C-TICK/CCC PCI-E 6+2pin 2