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⚡ Power up quietly, efficiently, and stylishly — because your rig deserves the best.
The CORSAIR CX550 is a 550-watt ATX power supply featuring 80 PLUS Bronze certification for up to 88% energy efficiency. It includes a thermally controlled 120mm low-noise fan that adjusts speed based on load, ensuring quiet operation. Its compact 125mm length and black sleeved cables provide a sleek, easy fit for modern PC cases. Highly rated and trusted, it delivers reliable continuous power for professional and enthusiast builds.
| ASIN | B0CJRVGGPS |
| Best Sellers Rank | #755 in Computers ( See Top 100 in Computers ) #2 in Computer Power Supplies |
| Brand | Corsair |
| Compatible Devices | Personal Computer |
| Compatible devices | Personal Computer |
| Connector Type Used on Cable | ATX |
| Connector type | ATX |
| Cooling Method | Air |
| Country of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 220 Reviews |
| Fan Size | 120 Millimeters |
| Form Factor | ATX |
| Form factor | ATX |
| Item Dimensions | 12.5 x 15 x 8.6 centimeters |
| Item Weight | 1.87 Kilograms |
| Manufacturer | Corsair |
| Maximum Input Voltage | 240 Volts (AC) |
| Mfr Part Number | CP-9020277-UK |
| Minimum Input Voltage | 100 Volts (AC) |
| Model Name | CX550 |
| Model Number | CP-9020277-UK |
| Model name | CX550 |
| Number of Fans | 1 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Output Wattage | 550 |
| Output wattage | 550 |
| Power Supply Design | Non-Modular |
| System Bus Connector Type | ATX |
| UPC | 840006670834 |
| Unit Count | 1.0 Count |
| Wattage | 550 watts |
D**S
Keine Probleme
Passt alles super. Im Rechner eingebaut und läuft seit einem halbe Jahr problemlos
V**S
Corsair CX550 (quasi) come nuovo
Pessimo. All'interno non era presente il cavo della corrente che usiamo in Italia, bensì uno straniero. Anglosassone o Giapponese, non so. Scarsa serietà.
D**N
Great for my needs, but if you need power go higher.
A reliable, cheerful and (relatively) cheap power unit from Corsair. I pretty much exclusively use Corsair for when I need a power-supply I can trust (so typically recommend them to friends). Build quality is solid and lasts; I especially like that Corsair have a unified pin-layout across their ranges from the same generation. In this instance I got the non-modular with pre-defined cables just to save on cost as it's being used in a Small Form Retro Windows XP machine running an A10-7700k, SSD, 5.25" CD Drive and a GTX 970. It doesn't draw enough to really put this thing under significant load even during LAN's so its fine for my purpose and i've never actually noticed the fans going. However i'd advise that if you're going for a mid-market build most midrange cards are increasingly creeping in TDP into the 300w+ range i'd say this 550 probably won't be up to the job. Instead i'd recommend buying the headroom and go for a 650/750 semi or fully modular and obviously if you're running a modern shoe-box power monster + CPU combo 1000w+. Otherwise happy as usual with this brand.
J**.
Quiet and Reliable 550W Power Supply
The CORSAIR CX550 power supply is perfect for my PC build. It runs quietly and provides steady power. The 80 PLUS Bronze efficiency helps keep energy use low. It’s not modular, but the cables are easy to manage. Great value and reliable performance!
T**6
Solid and reliable.
A good basic PSU with all necessary power cables (including graphic cards). Solid and well made with a lot of power on the 12 volt bus.
Trustpilot
2 days ago
1 month ago