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CORSAIR CX550 550W 80 PLUS Bronze ATX Power Supply

CORSAIR CX550 550W 80 PLUS Bronze ATX Power Supply

The CORSAIR CX550 provides a reliable 550W power solution with 80 PLUS Bronze efficiency for entry-to-mid-range PC builds. It features a compact 125mm length and a low-noise 120mm rifle bearing fan to ensure stable performance in space-constrained cases.

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Description

The CORSAIR CX550 is engineered to provide consistent, reliable power for modern desktop computers, delivering 550W of continuous wattage. With 80 PLUS Bronze certification, this unit achieves up to 88% operational efficiency, reducing heat generation and energy costs. Its compact 125mm chassis is shorter than standard power supplies, ensuring easy installation in a wide variety of modern PC cases while leaving more room for cable management.


This product is for:
- Entry-level gamers building systems with mid-range GPUs and CPUs.
- Home office users requiring a dependable power source for daily productivity.
- Compact PC builders who need a short-depth PSU to fit into smaller ATX cases.
- Budget-conscious builders looking for a reputable brand with a long-term warranty.
- System integrators seeking a standardized, high-compatibility power solution for client builds.

Detailed specifications:
- Wattage: 550 Watts
- Efficiency: 80 PLUS Bronze (Up to 88%)
- Dimensions: 140mm x 150mm x 86mm (125mm length)
- Cooling: 120mm Rifle Bearing Fan
- Standards: ATX12V v2.4, v2.3, v2.2, v2.01; EPS12V v2.92
- Warranty: 5 Years

Users will appreciate the quiet operation of the CX550, facilitated by its thermally controlled 120mm rifle bearing fan. The fan only ramps up speed during high-demand tasks, maintaining a low acoustic profile during web browsing or office work. The fixed, sleeved cables are designed for durability and ease of routing, while the 125mm depth significantly simplifies the building process in mid-tower and mini-tower enclosures.

Compared to generic or unrated power supplies, the CX550 offers superior voltage stability and safety protections. While many standard PSUs utilize a 140mm or 160mm length, the CX550’s 125mm footprint provides a distinct advantage for airflow and cable clearance. It serves as a more reliable alternative to older CX models by adhering to the latest ATX12V 2.4 standards for modern motherboard compatibility.

Q&A:
- What is the efficiency of the CORSAIR CX550? It is 80 PLUS Bronze certified, offering up to 88% efficiency at typical loads.
- Will this power supply fit in a small case? Yes, the 125mm length is shorter than the industry standard, making it highly compatible with compact cases.
- Is the fan loud? No, the 120mm rifle bearing fan is thermally controlled to minimize noise during low and medium loads.
- Does it support modern motherboards? Yes, it supports ATX12V 2.4 and EPS12V 2.92 standards for broad compatibility.
- What is the warranty period? This product comes with a 5-year CORSAIR warranty for long-term reliability.
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