. Performance Model Proton 850W Article no. BDF-850C EAN code 4710713231306 Weight (without/with package) 2.48 kg / 2.98 kg AC Input 100-240V / 15.0A Frequency 50-60Hz +5V 22A +3.3V 22A +5V & +3.3V combined 140W +12V 1 846W / 70.5A P.F. >0.9 -12V 0.5A / 6.0W +5VsB 3.0A / 15W Maximum Power 850W Connectors 20+4 PIN ATX 1 8 PIN EPS (4+4) 1 8 PIN EPS 1 8 PIN PCIe (6+2) 6 SATA 9 MOLEX 3 FLOPPY 1 Cable length 24PIN ATX 500 8 PIN EPS (4+4) 550 8 PIN EPS 550 8 PIN PCIe (6+2) 3x 500/150 SATA 3x 450/150/150 MOLEX 450/150/150/150 FLOPPY Molex Features Specification ATX 12V 2.3 Form factor PS II Efficiency 80 PLUS® Bronze Dimension (DxWxH) 160mm x 150mm x 87mm PFC Active PFC (0.9) Fan 140mm silent fan Security AFC (Automatic Fanspeed Control) OCP (Overcurrent Protection) OPP (Overload Protection) OTP (Over Temperature Protection) OVP (Overvoltage Protection) SCP (Short-circuit Protection) SIP (Surge & Inrush Protection) UVP (Undervoltage Protection) Warranty 24 Months https://www.chieftec.eu/en/psus/ps-2/proton-series/bdf-850c.html