HELIOS M1-850B SMART AND RELIABLE Meets 80 PLUS Bronze Efficiency Black Flat Cables Automatic Fan Speed Optimization APFC with PF value of 0.99 Support C6/C7 Power States Stealth Black The HELIOS M1-850B is a high quality stealth fan that can deliver up to 85% efficiency while automatically adjusting its fan speed according to temperature. It also has a high build quality with its flat black cables and 80 PLUS bronze certification. 80 PLUS BRONZE CERTIFIED Efficiency rating reflects how much power is retained on transfer, not build quality. HELIOS M1-850B, with an 80 PLUS Bronze efficiency rating, is a safe and lasting first-rate power supply unit. SMART VENTILATION The power supply unit supports automatic fan speed optimization which adjusts its fan speed according to the temperature and load. FLAT BLACK CABLES The stealthy and flexible black cables are designed for easy cable installation, reducing clutter, and increase the airflow within the case. Specs Type ATX12V v2.4 Efficiency Meet 80 PLUS Bronze efficiency Power Factor Correction APFC with PF value of 0.99 Support MB Sync No Dimension (L x W x H) 140 x 150 x 86 mm Support C6/C7 power state Yes AC Input 100-240V / 5.5-11A / 47-63Hz DC Output +3.3V / +5V / +12V / -12V / +5Vsb Max. Output Current 20A / 20A / 70A / 0.3A / 2.5A Max. Output Power 130W / 840W / 3.6W / 12.5W Total Power 850W Protection OVP / UVP / OPP / OCP / SCP / SP / ICP Main Power 1 (20+4 Pin) CPU 2 (4+4 Pin) PCI-E 4 (6+2 Pin) SATA 6 (5 Pin) Molex 4 (4 Pin) Modular Non Modular Flat Cable Yes Silent Mode No DC to DC Yes