Corsair
Corsair CP-9020188-NA RM850x 850W White Power Supply
★★★★★
850W80 plus gold
Power Your System with Elegant EfficiencyIntroducing the Corsair RM850x White Series Power Supply. This fully modular PSU delivers stable, efficient power with a stunning white finish to elevate your system's aesthetics. Specifications: Brand: Corsair Model: RM850x (CP-9020188-NA) Watta...
$189.00*
Check availability
*Price sourced from Amazon.com. Last updated:Jun 17, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Power Your System with Elegant Efficiency
Introducing the Corsair RM850x White Series Power Supply. This fully modular PSU delivers stable, efficient power with a stunning white finish to elevate your system's aesthetics.
Specifications:- Brand: Corsair
- Model: RM850x (CP-9020188-NA)
- Wattage: 850 Watts
- Certification: 80 PLUS Gold
- Modularity: Fully Modular
- Color: White
- Fan: Single Fan with Zero RPM Mode
- Capacitors: 100% Japanese Capacitors
- Form Factor: Internal
- Specification Compliance: ATX12V/EPS12V
- Input Voltage: 120V/230V AC
- Output Voltage: +12V DC @ 70.80A, +3.3V DC @ 25A, +5V DC @ 25A, -5V DC @ 3A, +12V DC @ 800mA
- Dimensions: Height: 3.4", Width: 5.9", Depth: 5.9"
Key Features
80 plus gold Certified high efficiency operation for lower power consumption less noise and cooler temperatures
Tuned for Low noise operation a specially set fan curve ensures that even at full load fan noise is kept to a minimum
Zero rpm fan mode at Low and medium loads the cooling fan switches off entirely for near-silent operation
100% all Japanese capacitors premium internal components ensure unwavering power delivery and long-term reliability
Fully modular flat cables flexible fully modular flat White cables for Easy cable routing
Specifications
Wattage
850W
Efficiency Rating
80 PLUS Gold Certified
Fan Mode
Zero RPM Fan Mode
Capacitors
100% All Japanese Capacitors
Cabling Type
Fully Modular Flat Cables
Cable Color
White
Pros & Cons
👍 Pros
- The Corsair RM850x power supply is 80 PLUS Gold certified, ensuring high efficiency for reduced power consumption and cooler operation.
- It is tuned for low noise, featuring a specially set fan curve that keeps fan noise to a minimum, even under full load.
- The Zero RPM fan mode allows the cooling fan to switch off entirely at low and medium loads, providing near-silent operation.
- Constructed with 100% all Japanese capacitors, this power supply offers unwavering power delivery and long-term reliability.
- Its fully modular flat white cables facilitate easy cable routing and management within a PC build.
👎 Cons
- While efficient, the 80 PLUS Gold certification is not the highest tier available, meaning slight energy loss compared to Platinum or Titanium rated PSUs.
- The white cables, while aesthetically pleasing for some builds, may not match all color schemes or preferences.
- The "tuned for low noise" feature relies on the fan curve and specific load conditions, meaning some noise may still be perceptible at higher loads.
- The 850W capacity might be excessive for users with lower-power systems, potentially leading to an over-specification for their needs.
- Specific details on the type or model of the fan are not provided, which might be a consideration for those seeking advanced fan technology.
Frequently Asked Questions
What does the 80 PLUS Gold certification mean for this power supply?
The 80 PLUS Gold certification signifies high efficiency operation, which translates to lower power consumption, less heat generation, and cooler temperatures within your system.
Is the Corsair RM850x power supply quiet during operation?
Yes, it is tuned for low noise operation with a specially set fan curve, and features a Zero RPM fan mode that allows the cooling fan to switch off completely at low and medium loads for near-silent performance.
What type of cables are included with this power supply?
This power supply comes with fully modular flat white cables, designed for easy routing and a clean aesthetic in your PC build.
What contributes to the reliability of this power supply?
The Corsair RM850x is built with 100% all Japanese capacitors, which are premium internal components known for ensuring unwavering power delivery and long-term reliability.
Is 850W sufficient for most high-performance gaming PCs?
An 850W power supply typically provides ample power for many high-performance gaming PCs and demanding workstations, offering room for powerful graphics cards and processors.
Related Products
