be quiet! Pure Power 13 M 850W Power Supply vs CORSAIR CX550 80 Plus Bronze Non Modular Low-Noise ATX 550 Watt Power Supply - N

Price Comparison

The be quiet! Pure Power 13 M 850W Power Supply is priced at C$173.21, whereas the CORSAIR CX550 80 Plus Bronze Non Modular Low-Noise ATX 550 Watt Power Supply is significantly more affordable at C$84.99. This makes the CORSAIR option a budget-friendly choice, appealing to users who want reliable power without breaking the bank. The price difference of C$88.22 reflects the substantial disparity in wattage and efficiency ratings between the two products.

Efficiency Ratings

When it comes to efficiency, the be quiet! Pure Power 13 M is certified with an impressive 80 PLUS Gold rating, achieving up to 94.4% efficiency. This translates into lower power consumption and heat generation. In contrast, the CORSAIR CX550 holds an 80 PLUS Bronze certification, offering up to 88% efficiency. While both power supplies are efficient, the higher efficiency of the Pure Power 13 M can lead to cost savings on energy bills in the long run.

Wattage and Power Delivery

The power delivery capabilities of both units are markedly different. The be quiet! Pure Power 13 M provides a robust 850W of continuous power, making it well-suited for high-performance gaming rigs and demanding applications. On the other hand, the CORSAIR CX550 offers 550W of continuous power. For users with power-hungry components, the higher wattage of the Pure Power 13 M can ensure stable performance even under heavy loads, while the CX550 may be adequate for mid-range setups.

Cooling Features

In terms of cooling, both power supplies employ low-noise technologies. The be quiet! Pure Power 13 M features semi-passive zero-RPM cooling, allowing the fan to remain off under low loads, which enhances its quiet operation. The CORSAIR CX550 also incorporates a thermally controlled 120mm fan that only ramps up under heavy stress, ensuring quieter operation at lower loads. This makes both units suitable for those prioritising a quiet computing experience, though the Pure Power 13 M's advanced cooling system may provide an edge during extended usage.

Compatibility and Future-Proofing

The be quiet! Pure Power 13 M is designed to meet the latest ATX 3.1 specifications, featuring native integration for next-generation PCIe 5.1 graphics cards. It includes multiple PCIe connectors, making it versatile for current and future hardware. In contrast, the CORSAIR CX550, while compact and compatible with most modern PC cases, does not offer the same level of future-proofing as it caters primarily to mid-range builds. This makes the Pure Power 13 M a more suitable choice for users looking to build cutting-edge systems.

Build Quality and Design

Build quality is a key factor, and both brands have a reputation for producing reliable power supplies. The be quiet! Pure Power 13 M boasts high-class technologies, including LLC topology for superior voltage regulation and stability. The design focuses on minimizing noise and maximizing cooling efficiency. The CORSAIR CX550 features a black powder-coated casing and sleeved cables, providing an aesthetically pleasing look that fits well in most builds. While both power supplies are well-designed, the engineering behind the Pure Power 13 M may offer more robust performance and reliability.

Warranty and Support

Warranty and customer support can significantly impact a buyer's decision. The CORSAIR CX550 comes with a three-year warranty, which is standard for many power supplies and offers peace of mind. The warranty details for the be quiet! Pure Power 13 M are not specified in the provided data, but be quiet! generally offers competitive support services. Depending on the warranty terms, the CORSAIR's defined coverage could be a deciding factor for users concerned about long-term reliability.

Which should you buy?

Choosing between the be quiet! Pure Power 13 M 850W Power Supply and the CORSAIR CX550 80 Plus Bronze Non Modular Low-Noise ATX 550 Watt Power Supply ultimately depends on your specific needs. If you require high wattage, exceptional efficiency, and future-proofing capabilities for a high-end gaming or workstation build, the be quiet! Pure Power 13 M is the superior choice despite its higher price of C$173.21. Conversely, if you're looking for a budget-friendly, reliable option for a mid-range system, the CORSAIR CX550 at C$84.99 offers solid performance and efficiency.