Newegg has 850W Corsair RM850x ATX12V/EPS12V 80 Plus Gold Certified Fully Modular Power Supply PSU (2021, CP-9020200-NA) on sale for $124.99 – $35 off w/ promo code APRCS35 = $89.99. Shipping is free.

Product Info:

• Fully Modular: Only connect the cables your system needs, making clean and tidy builds easier.
• 135mm Magnetic Levitation Fan: Utilizes a magnetic levitation bearing and custom engineered rotors for high performance, low noise, and superior reliability.
• EPS12V Connector: For wide compatibility with modern graphics cards and motherboards.
• 100% All Japanese 105°C Capacitors: Premium internal components ensure unwavering power delivery and long-term reliability.
• Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.
• 80 PLUS Gold Certified: High efficiency operation for lower power consumption, less noise, and cooler temperatures.
• Zero RPM Fan Mode: At low and medium loads the cooling fan switches off entirely for near-silent operation.
• Resonant LLC Topology with DC-to-DC Conversion: Provides clean, consistent power, reduces coil whine for quieter operation, and enables use of more energy efficient sleep states.