CORSAIR CX550 80 Plus Bronze Non Modular Low-Noise ATX 550 Watt Power Supply - NA - Black
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AI Verdict
This is a 550-watt 80 PLUS Bronze non-modular ATX power supply for budget-focused builds needing basic, consistent power delivery.
This 550-watt 80 PLUS Bronze non-modular power supply is a situational fit for entry-level systems. Its 88% operational efficiency and compact 125mm length are practical, but the non-modular design and reported lower-tier platform limit its appeal for more demanding or aesthetically-focused builds.
If you need better build quality, easier cable management, or higher efficiency, look for a fully modular 80 PLUS Gold rated power supply with a longer warranty.
Regret Score™
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Critically weak dimension
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Pros
- Provides up to 88% operational efficiency, generating less heat and potentially lowering energy costs.
- Features a 120mm thermally controlled fan that operates quietly at lower loads.
- Its compact 125mm length allows for easy installation in most modern PC cases.
- Guaranteed to deliver its full 550-watt rated continuous power.
Cons
- Non-modular cables can make cable management challenging and lead to more clutter inside the case.
- Some users report the newer CX model is built on a platform similar to the lower-rated CV550, suggesting a compromise in internal quality compared to older CX versions.
- The SATA cables are all right-angled, which can create very tight fits or prevent connection if drives are mounted flush against a surface.
- Comes with a 3-year warranty, which is shorter than the 5-year warranty offered on previous CX models.
Dimension Scores
It provides up to 88% operational efficiency with an 80 PLUS Bronze certification, which is average for its price band.
The 120mm thermally controlled fan operates quietly at lower loads, only increasing speed under heavy stress.
While some describe it as 'solid,' Reddit users indicate this newer CX model is similar to the D-tier CV550, suggesting a lower quality platform compared to older CX versions.
The non-modular design means all cables are permanently attached, making clean cable routing difficult and potentially cluttering the case.
Best For
- Budget to mid-range gaming PCs with single, less power-hungry GPUs (e.g., RTX 3060 or 4060).
- Office or general-purpose home builds with power demands under 500 watts.
- Users who prioritize a low purchase price over advanced features like modular cabling or higher efficiency ratings.
- Compact PC cases where the 125mm PSU length is beneficial for fit.
Not Recommended For
- High-end gaming systems or builds with multiple GPUs that demand more than 500 watts.
- Enthusiasts planning extensive overclocking of CPU and GPU.
- Builders who value pristine cable management and a clean internal aesthetic.
Watch Out For
- The non-modular cables mean you'll have extra, unused cables to tuck away, which can be a pain for cable management.
- Right-angled SATA power connectors can make connecting to SSDs or HDDs mounted flush against a case panel difficult or impossible, sometimes requiring drive relocation.
- Some users on Reddit consider this newer CX model to be 'garbage' or only 'C grade' quality, similar to the D-tier CV550, which might be a concern for long-term reliability.
- The 3-year warranty is shorter than the 5-year warranty found on older, higher-quality CX models, indicating a potential downgrade in expected lifespan or component quality.
Full Specifications
| ASIN | B0CQMQY2V2 |
| Brand | Corsair |
| Color | Black |
| Series | CX550 |
| Wattage | 550 watts |
| Model Name | CX550 |
| Form Factor | ATX |
| Item Weight | 4.12 pounds |
| Manufacturer | Corsair |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 550 |
| Item model number | CP-9020277-NA |
| Compatible Devices | Monitor |
| Product Dimensions | 4.92 x 5.91 x 3.39 inches |
| Item Dimensions LxWxH | 4.92 x 5.91 x 3.39 inches |
| Item dimensions L x W x H | 4.92 x 5.91 x 3.39 inches |
What Buyers Say
The biggest concern for this CX550 is that multiple users on Reddit and forums suggest this newer version, released in late 2023, is a step down in quality, being compared to the D-tier Corsair CV series. Despite this, some users still find it to be a functional mid-range option that 'does what it's supposed to' for basic builds. The non-modular cables are a recurring point of frustration for cable management, and the right-angled SATA connectors can be a real headache in tight spaces.
“Look, it powers my PC, but trying to hide all these extra cables was a nightmare, and those bent SATA plugs almost broke my SSD connector. It's fine for the price, I guess, but next time I'm spending more for modular.”
Common Praise
- Delivers consistent and reliable power for its wattage.
- Fan remains relatively quiet during normal operation and at low loads.
- The compact 125mm length makes it easy to fit into various PC cases.
- Black sleeved cables and powder-coated casing offer a clean aesthetic.
Common Complaints
- Non-modular cables are difficult to manage and can lead to messy builds.
- Right-angled SATA power connectors cause issues with drive placement in some cases.
- Concerns about the internal platform being a downgrade from older CX models, similar to the lower-tier CV series.
- The 3-year warranty is shorter than the 5-year warranty of previous CX versions.
Ownership Tips
- The non-removable cables mean you'll spend extra time zip-tying and routing unused wires to maintain airflow and aesthetics.
- The right-angle SATA connectors can be a real pain if your drives are mounted in restrictive spots, sometimes forcing you to rearrange components.
- Even with the 'low-noise' fan, you might still hear it spin up under gaming loads, though it's not usually a jet engine.
- The 3-year warranty feels a bit short for a component you expect to last through multiple system upgrades.
Frequently Asked Questions
Is 550 watts enough for a gaming PC?
For budget to mid-range gaming PCs with a single GPU like an RTX 3060 or 4060, 550 watts is generally sufficient, especially if your total system draw is under 500 watts.
Is this power supply quiet?
Yes, it features a 120mm thermally controlled fan that spins at high speed only under heavy load, slowing down for quieter operation at lower loads.
What does '80 PLUS Bronze Certified' mean?
It means the power supply is certified to be at least 88% efficient at typical loads, reducing wasted energy as heat and potentially lowering your electricity bill.
Are the cables modular?
No, this is a non-modular power supply, meaning all cables are permanently attached and cannot be removed.
What is the warranty period?
This newer CX550 model comes with a 3-year warranty.
Buying Guide
When you're looking at power supplies, you need to think about how much power your PC actually needs and how much you care about a tidy build. This CX550 will deliver the 550 watts it promises, but you'll be dealing with all the cables whether you use them or not. Don't just pick the cheapest option; consider the efficiency and how long you expect it to last.
Wattage (550 watts)
This is the maximum power your PSU can deliver. Think of it like the horsepower of a car; you need enough to run all your components (CPU, GPU, drives) comfortably, but too much is just wasted money if you're not going to use it.
80 PLUS Bronze Certified
This certification tells you how efficiently the power supply converts AC power from your wall into DC power for your PC. Bronze means it's at least 88% efficient, so less energy is wasted as heat, which can save you a little on your electricity bill compared to uncertified PSUs.
Non-Modular
This refers to the cables. Non-modular means all the cables are permanently attached to the power supply. This makes installation a bit messier because you have to find a place to hide any unused cables, unlike modular PSUs where you only plug in what you need.
Alternatives
If this doesn't fit, search for power supplies with 'fully modular' cables for easier building and '80 PLUS Gold' certification for better efficiency and often higher quality components.
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