Corsair
Corsair CP-9020220-NA CX550M 550W 80+ Bronze PSU
★★★★★
Reliable Power for Your Modern PCThe Corsair CX-M Series CX550M Power Supply offers 80 PLUS Bronze efficiency and semi-modular cabling for a clean, quiet, and dependable build. Equipped with Japanese 105°C-rated capacitors and a rifle bearing fan, it delivers consistent power and long-lasting per...
$62.64*
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*Price sourced from Amazon.com. Last updated:Jun 28, 2026.Price and availability are subject to change.
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Overview
Reliable Power for Your Modern PC
The Corsair CX-M Series CX550M Power Supply offers 80 PLUS Bronze efficiency and semi-modular cabling for a clean, quiet, and dependable build. Equipped with Japanese 105°C-rated capacitors and a rifle bearing fan, it delivers consistent power and long-lasting performance.
Specifications:
- Brand: Corsair
- Series: CX-M Series
- Model: CX550M
- Part Number: CP-9020220-NA
- Wattage: 550 Watts
- Efficiency: 80 PLUS Bronze Certified
- Form Factor: ATX
- Cables: Semi-Modular
- Capacitors: Japanese 105°C-Rated
- Fan Bearing: Rifle Bearing
- Cooling Method: Air
- Connectors: Single EPS12V, Two/Four PCIe 8-Pin
Key Features
Low-noise operation lets you focus more on the task at hand, whether it’s gaming or work. A rifle bearing fan ensures longer life than conventional bearings with less noise.
Semi-modular cabling with single EPS12V connectors lets you connect only the cables you need for a clean build with easy cable management.
Japanese capacitors deliver consistent and reliable power, rated up to 105°C.
80 PLUS Bronze certification guarantees more efficient power use and lower operating temperatures
Robust DC-DC conversion for +3.3V and +5V provides clean, consistent power to all components and peripherals.
At just 140mm long, the CX-M Series offers great flexibility in build configurations.
A five-year warranty is your guarantee of reliable operation for years to come.
Specifications
Wattage
550W
Efficiency Certification
80 PLUS Bronze
Fan Type
Rifle Bearing Fan
Capacitor Type
Japanese Capacitors
Capacitor Temperature Rating
Up to 105°C
Cabling Type
Semi-modular
Form Factor Length
140mm
Warranty
Five-year
Pros & Cons
👍 Pros
- Features a rifle bearing fan, contributing to a longer lifespan and quieter operation compared to traditional bearings.
- Semi-modular cabling allows users to connect only necessary cables, resulting in cleaner builds and easier cable management.
- Equipped with Japanese capacitors rated up to 105°C, ensuring consistent and reliable power delivery.
- Achieves 80 PLUS Bronze certification, signifying efficient power use and leading to lower operating temperatures.
- Robust DC-DC conversion for +3.3V and +5V rails provides clean, stable power to all connected components and peripherals.
👎 Cons
- The CX550M is an 80+ Bronze certified PSU, which is a good standard, but not as energy efficient as Gold or Platinum rated units.
- Its semi-modular design, while helpful, still means some cables are permanently attached, which might not be ideal for ultra-minimalist builds.
- With a 550W output, this power supply may not be sufficient for high-end gaming rigs with multiple power-hungry components.
- The 140mm length, while flexible, may still pose a challenge for extremely small form factor cases.
- A rifle bearing fan offers improved longevity over sleeve bearings, but fluid dynamic bearings can offer even quieter operation and extended lifespan.
Frequently Asked Questions
What is the efficiency rating of the Corsair CX550M PSU?
The Corsair CX550M PSU holds an 80 PLUS Bronze certification, which guarantees more efficient power use and lower operating temperatures.
How long is the warranty for this power supply?
This power supply comes with a five-year warranty, ensuring reliable operation for years to come.
Does this power supply have modular cabling?
Yes, it features semi-modular cabling with single EPS12V connectors, allowing you to connect only the cables you need for a cleaner build.
What type of fan is used in the CX550M?
The CX550M incorporates a rifle bearing fan, which ensures a longer life compared to conventional bearings while also operating with less noise.
Is the power delivery stable for sensitive components?
Yes, it features robust DC-DC conversion for +3.3V and +5V, providing clean, consistent power to all components and peripherals.
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