Corsair
Corsair CP-9020232-NA RM850 White 850W 80+ Gold PSU
★★★★★
850W
Reliable, Efficient, and Quiet Power for Your PCThe CORSAIR RM Series (2021) Fully Modular Power Supply delivers consistent 80 PLUS Gold efficient power to your PC. Designed for reliability and quiet operation, it's the perfect choice for your next build or upgrade. Specifications: Series: ...
$106.58*
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*Price sourced from Amazon.com. Last updated:Jun 16, 2026.Price and availability are subject to change.
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Overview
Reliable, Efficient, and Quiet Power for Your PC
The CORSAIR RM Series (2021) Fully Modular Power Supply delivers consistent 80 PLUS Gold efficient power to your PC. Designed for reliability and quiet operation, it's the perfect choice for your next build or upgrade.
Specifications:
- Series: RM Series (2021)
- Wattage: 850 Watt
- Certification: 80 PLUS Gold Certified
- Modularity: Fully Modular
- Fan: 140mm Rifle Bearing Fan
- Operation: Zero RPM Fan Mode (low to medium loads)
- Capacitors: Industrial-grade, 105°C-rated
- Color: White
Key Features
Fully modular, so you only connect the cables your system needs.
Triple EPS12V connectors for full compatibility with modern graphics cards and motherboards.
A 140mm rifle bearing fan with a specially calculated fan curve ensures that fan noise is kept to a minimum, even at full load.
Zero RPM fan mode for near-silent operation at low to medium loads.
Industrial-grade, 105°C-rated capacitors deliver solid electrical performance and reliability.
Specifications
Brand
Corsair
Model
CP-9020232-NA RM850 White
Wattage
850W
Efficiency Rating
80+ Gold
Modularity
Fully Modular
Fan Type
140mm Rifle Bearing
Capacitor Rating
105°C Industrial-Grade
Color
White
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View on Amazon →Pros & Cons
👍 Pros
- Offers a fully modular design, allowing users to connect only essential cables for a cleaner PC build and improved airflow.
- Equipped with triple EPS12V connectors, ensuring broad compatibility with modern high-performance graphics cards and motherboards.
- Features a 140mm rifle bearing fan with a finely tuned curve, designed to keep operational noise at a minimum even under heavy system loads.
- Includes a Zero RPM fan mode for silent operation during low to medium power usage, enhancing the quietness of your system.
- Utilizes industrial-grade, 105°C-rated capacitors, contributing to solid electrical performance and long-term reliability for your PC.
👎 Cons
- The specific efficiency rating is 80+ Gold, which is good, but not the highest available, like Platinum or Titanium.
- While the fan is quiet, it still operates at full load, meaning it's not entirely silent during demanding tasks.
- The white aesthetic may not seamlessly integrate with all PC build color schemes, potentially limiting design flexibility.
- Detailed specifications on cable types, lengths, or connectors beyond the EPS12V are not explicitly provided in the features.
Frequently Asked Questions
What does "fully modular" mean for this Corsair RM850 White power supply?
Fully modular means you only connect the specific cables your system needs, which helps create a cleaner build and can improve airflow within your PC case.
How does this power supply handle noise levels during typical computer use?
This PSU features a 140mm rifle bearing fan with a calculated fan curve for minimal noise, and a Zero RPM fan mode allows for near-silent operation at low to medium loads.
Is this power supply compatible with the latest graphics cards and motherboards?
Yes, it includes triple EPS12V connectors, providing full compatibility with modern graphics cards and motherboards.
What kind of capacitors are used in the Corsair RM850 White and what does that mean for performance?
It uses industrial-grade, 105°C-rated capacitors, which are designed to deliver solid electrical performance and long-term reliability for your system.
What is the purpose of the Zero RPM fan mode in this power supply?
The Zero RPM fan mode is designed to ensure near-silent operation by completely switching off the cooling fan when the power supply is under low to medium loads.
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