Corsair CX Series CX550 550W 80 PLUS Bronze ATX Power Supply

Corsair CX Series CX550 550W 80 PLUS Bronze Semi-Modular ATX Power Supply

The Corsair CX Series CX550 is a high-quality 550W semi-modular power supply designed to deliver reliable, efficient power for a wide range of PC builds. With its 80 PLUS Bronze certification, the CX550 achieves up to 88% efficiency, reducing excess heat and energy waste—ideal for performance-focused users who also value cost-effective operation.

This Corsair PSU features a 120mm thermally controlled fan that adjusts speed based on system load, ensuring low noise levels during idle or light use and ramping up only when necessary. This intelligent cooling system not only enhances acoustic performance but also contributes to the PSU’s long-term durability.

Its semi-modular design allows you to use only the cables you need, helping reduce clutter and improve airflow within the case. Combined with black-sleeved cables and a matte black powder-coated housing, the CX550 offers a clean, professional aesthetic that complements any modern build.

At just 125mm in length, it’s compact and compatible with almost all ATX PC cases, making it easy to install even in tighter enclosures. It supports full continuous power delivery, ensuring consistent performance for your CPU, GPU, and other critical components under load.

Backed by Corsair’s five-year warranty and global customer support, the CX550 is a dependable, long-term solution for gamers, content creators, and system builders alike.