CORSAIR CX550 ATX 550W Power Supply - 80 Plus Bronze Certified - Low Noise - Sheathed Cables - Non-Modular - EU - Black

Corsair CX Series CX550 power supply unit 550 W 24-pin ATX ATX Black

CORSAIR CX550 ATX 550W Power Supply - 80 Plus Bronze Certified - Low Noise - Sheathed Cables - Non-Modular - EU - Black

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CORSAIR CX550 ATX 550W Power Supply - 80 Plus Bronze Certified - Low Noise - Sheathed Cables - Non-Modular - EU - Black

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CORSAIR CX550 ATX 550W Power Supply - 80 Plus Bronze Certified - Low Noise - Sheathed Cables - Non-Modular - EU - Black

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£74.27
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Corsair CX Series CX550 power supply unit 550 W 24-pin ATX ATX Black

Overall Rating: 2.1 / 5 (average from multiple review sources, as of 12 Apr 2026)
Based on a total of 45 customer reviews from independent review platforms.

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CORSAIR CX550 ATX 550W Power Supply - 80 Plus Bronze Certified - Low Noise - Sheathed Cables - Non-Modular - EU - Black

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CORSAIR CX550 ATX 550W Power Supply - 80 Plus Bronze Certified - Low Noise - Sheathed Cables - Non-Modular - EU - Black

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£81.96
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CORSAIR CX550 ATX 550W Power Supply - 80 Plus Bronze Certified - Low Noise - Sheathed Cables - Non-Modular - EU - Black

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£124.01
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Product Information

Weight & dimensions

Depth 125 mm
Width 150 mm

Design

Fan location Top
Number of fans 1 fan(s)
Fan diameter 12 cm
Cooling type Active
Product colour Black

Performance

80 PLUS certification 80 PLUS Bronze
Power supply unit (PSU) form factor ATX
Purpose PC

Ports & interfaces

Cabling type Non-Modular
Motherboard power connector 24-pin ATX
PCI Express power connectors (6+2 pin) 1
EPS power connector (8-pin) Yes
Number of SATA power connectors 8
Motherboard power cable length 60 cm

Power

AC input voltage 100 - 240 V
Total power 550 W
Max output current (+5Vsb) 3 A
Max output current (-12V) 0.3 A
Max output current (+5V) 20 A
Max output current (+12V) 52 A
Max output current (+3.3V) 24 A
Combined power (+5Vsb) 15 W
Combined power (-12V) 3.6 W
Combined power (+5V) 130 W
Combined power (+12V) 624 W
Combined power (+3.3V) 130 W
Input current 10 - 5 A
AC input frequency 47 - 63 Hz

Product information

At a glance

  • Efficient 550W output for various builds
  • Modular design for easy cable management
  • Quiet fan operation ensures peaceful use

Note: This text was created with the help of AI.

Power Up Your Build with Corsair CX550 (2023)

The PSUs category just got an exciting new addition with the Corsair CX550 (2023) 550W power supply unit. Perfect for gamers, PC enthusiasts, and anyone looking to upgrade their computer, this PSU is designed for reliable performance and efficiency. Whether you’re building a new rig or enhancing your current setup, the CX550 will meet your power needs while providing ample headroom for future upgrades, making it an excellent investment for both casual users and hardcore gamers alike.

Reliability Meets Efficiency

One of the standout features of the Corsair CX550 is its **80 PLUS Bronze certification**, ensuring that it delivers excellent energy efficiency with minimal waste. This means you can expect lower electricity bills and a more eco-friendly setup. Moreover, its **550W output** is robust enough to support mid-range gaming rigs and workstation builds. The inclusion of **Japanese capacitors** not only enhances durability but also provides stable performance, ensuring your components receive the reliable power they require during intense gaming sessions or heavy workloads.

Sleek Design and Easy Installation

When it comes to aesthetics, the Corsair CX550 does not disappoint. Its **sleek and modern design** features a matte black finish that seamlessly integrates into any build, complementing your hardware beautifully. The fully modular design allows you to connect only the cables you need, reducing clutter and improving airflow within your case. Installation is a breeze thanks to the intuitive layout and clear instructions, making it perfect for both seasoned builders and newcomers alike!

Quiet Operation for a Peaceful Gaming Experience

Let’s talk about noise – or rather, the lack of it! The Corsair CX550 is designed with a **120mm, thermally controlled fan** that provides quiet operation while keeping the PSU cool under pressure. This means you can immerse yourself in your favorite games or work on your projects without the distracting hum of a noisy power supply. Combined with its durable construction and safety features like over-voltage protection, this PSU promises a reliable and serene computing experience.

Note: This text was created with the help of AI.

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CORSAIR CX550 ATX 550W Power Supply - 80 Plus Bronze Certified - Low Noise - Sheathed Cables - Non-Modular - EU - Black

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CP-9020277-EU Full continuous power: CORSAIR CX series power supplies guarantee full rated wattage delivery with continuous power. Continuous Full Power - Corsair CX Series power supplies ensure to continuously deliver the maximum power required for your system.
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