Corsair CX Series CX550 power supply unit 550 W 24-pin ATX ATX Black
CORSAIR CX550 80 PLUS Bronze ATX 550 Watt Power Supply - UK - Black | Non Modular, Low-Noise
Overall Rating: 2.3 / 5 (average from multiple review sources, as of 18 Oct 2026)
Based on a total of 48,210 customer reviews from independent review platforms.
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Based on a total of 48,210 customer reviews from independent review platforms.
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Corsair CX Series 550W 80 PLUS Bronze Fully Wired Power Supply
Overall Rating: 4.3 / 5 (average from multiple review sources, as of 20 Oct 2026)
Based on a total of 15,929 customer reviews from independent review platforms.
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Based on a total of 15,929 customer reviews from independent review platforms.
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CORSAIR CX550 80 PLUS Bronze 550W ATX Power Supply - CP-9020277-UK
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 20 Oct 2026)
Based on a total of 15,637 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Based on a total of 15,637 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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550W Corsair CX Series CX550 80 Plus Bronze PSU
Overall Rating: 4.3 / 5 (average from multiple review sources, as of 20 Oct 2026)
Based on a total of 32,643 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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Based on a total of 32,643 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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CORSAIR CX Series CX550 80 PLUS Bronze ATX Power Supply
Overall Rating: 4.7 / 5 (average from multiple review sources, as of 20 Oct 2026)
Based on a total of 30,256 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 30,256 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
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Corsair 550W CX550 PSU, Fully Wired, 80+ Bronze, Thermally Controlled Fan
Overall Rating: 4.9 / 5 (average from multiple review sources, as of 6 Oct 2026)
Based on a total of 1,130 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
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pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 1,130 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
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550W CORSAIR CX550, Fully Wired, 80PLUS Bronze, Single Rail, 44A, 120mm Fan, ATX
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.
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The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
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pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
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Will usually delivered within 2 - 3 working days of receiving cleared payment.
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Corsair CX550 550W ATX Power Supply 80+ Bronze/Fully Wired, Thermally Controlled
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 3 - 5 working days of receiving cleared payment.
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£60.99
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CX550 80 PLUS Bronze ATX 550 Watt Power Supply - UK - Black
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 17 Oct 2026)
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 24,155 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 3 - 5 working days of receiving cleared payment.
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80 PLUS Bronze Certified: Provides up to 88% operational efficiency, generating less heat and lowering your energy costs. Full Continuous Power: CORSAIR CX Series power supplies are guaranteed to deliver their full rated wattage of continuous power. Low-Noise Cooling: A 120mm thermally controlled low-noise cooling fan only spins at high speed when your power supply is under heavy stress, slowing down for quieter operation at lower loads. Compact Casing: 125mm length ensures an easy fit in almost all modern PC cases. Black Sleeving and Casing: Black sleeved cables and a black powder-coated casing seamlessly fits your PC’s style.
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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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