Corsair RM850 850 Watt 80 Plus Gold Atx Fully Modular Power Supply

80 plus Gold certified: high efficiency operation for lower power consumption, less noise and cooler temperatures.
Tuned for low noise operation: a 140mm rifle Bearing fan with a specially calculated fan curve ensures that fan noise is kept to minimum, even at full load.
105°C-rated capacitors: industrial-grade capacitors deliver solid electrical performance and reliability. MTBF hours - 100,000 hours
Microsoft modern standby compatible: extremely fast wake-from-sleep times and better low-load efficiency.
Zero RPM fan mode: at low and medium loads The cooling fan switches off entirely for near-silent operation.