Smart BX1 450W SPD-450AH2NKB-2 Built to deliver 80 PLUS Bronze with 88% power efficiency, the Smart BX1 series is available in 450W - 750W models. Constructed with a 120mm hydraulic bearing fan, Japanese main capacitors and other premium components to help deliver a continuous and stable power output at 40℃, near silent operation and reliable performance. With an ample 5-year warranty, the Smart BX1 is able to satisfy the market, where value-oriented users are looking for a new power supply with all the latest features. Specifications: WATTS 450W RGB FAN No FORM FACTOR ATX MODEL SPD-450AH2NKB-2 TYPE ATX 12V v2.3 and EPS v2.92 MAX. OUTPUT CAPACITY 450W PEAK OUTPUT CAPACITY 540W COLOR Black DIMENSION ( W / H / D ) 150mm(W) x 86mm(H) x 140mm(D) PFC (POWER FACTOR CORRECTION) Active PFC POWER GOOD SIGNAL 100-500 msec HOLD UP TIME > 16msec at 70% of full load INPUT CURRENT 8A max. INPUT FREQUENCY RANGE 50Hz INPUT VOLTAGE 230V~ OPERATING TEMPERATURE 5°C to + 40°C OPERATING HUMIDITY 20% to 85%, non-condensing STORAGE TEMPERATURE -40°C to + 55°C STORAGE HUMIDITY 10% to 95%, non-condensing COOLING SYSTEM 12cm Hydraulic bearing fan EFFICIENCY Meet 80 PLUS®Bronze 230V EU certified MTBF 100,000 hrs minimum SAFETY APPROVAL CE, CB, TUV, EAC, RCM PCI-E 6+2PIN 2