Cooler Master V850 SFX Gold 850W Fully Modular vs CORSAIR RM Series , RM650, Fully Modular Power Supply

Overview

When comparing the Cooler Master V850 SFX Gold 850W and the CORSAIR RM650, both power supplies offer excellent performance, but they cater to different needs. The Cooler Master V850 SFX Gold is priced at $153.25, while the CORSAIR RM650 comes in at $138.31, making it about 9.7% cheaper than its competitor. The choice between these two largely depends on your specific requirements for a power supply.

Design and Form Factor

The Cooler Master V850 SFX Gold boasts a mighty ITX design, making it an ideal choice for compact builds. Its small form factor fits seamlessly into mini-ITX cases while providing robust power. In contrast, the CORSAIR RM650 has a standard ATX form factor, which may take up more space in smaller cases. However, its triple EPS12V connectors ensure compatibility with modern graphics cards and motherboards, accommodating a wider range of setups.

Efficiency and Performance

Efficiency is a significant factor when selecting a power supply. The Cooler Master V850 SFX Gold achieves an 80 Plus Gold efficiency rating, ensuring about 90% power efficiency, which translates to less wasted energy. The CORSAIR RM650 also carries the 80 Plus Gold certification, delivering consistent performance with industrial-grade, 105°C-rated capacitors. Both units are designed to provide reliable power, but the cooler master’s enhanced dissipation features might give it an edge in thermal management.

Cooling Solutions

Cooling solutions are crucial for maintaining performance and longevity. The Cooler Master V850 SFX Gold features a 92mm Fluid Dynamic Bearing (FDB) fan that is designed for low noise and efficient cooling. Meanwhile, the CORSAIR RM650 utilizes a 140mm rifle bearing fan that operates in a zero RPM fan mode for near-silent performance during low to medium loads. Both fans are engineered to minimize noise, but if you prioritize low noise during light usage, the CORSAIR may have a slight advantage.

Cable Management

Both power supplies offer modular designs to enhance cable management. The Cooler Master V850 SFX Gold features fully modular cables that reduce clutter and improve airflow, making it easier to manage in compact cases. Its customized cable lengths help minimize cable mess. On the other hand, the CORSAIR RM650 also utilizes a fully modular approach, allowing users to only connect the necessary cables. This feature is especially beneficial for gamers and builders looking to streamline their setups.

Warranty and Reliability

The Cooler Master V850 SFX Gold comes with a generous 10-year warranty, showcasing the brand's confidence in its product's reliability. The CORSAIR RM650 also offers a robust 10-year warranty, which is standard for high-quality power supplies in this range. Both products are backed by significant warranties, providing peace of mind to users who prioritize long-term reliability in their systems.

Target Audience

The Cooler Master V850 SFX Gold is tailored for users needing a high-performance power supply in a compact form factor, ideal for mini-ITX builds and high-performance setups. Its specialized features cater to gamers and professionals who may require more power density for demanding applications. The CORSAIR RM650, while also efficient, is better suited for users who prioritize noise reduction and compatibility with a broader range of components, making it a versatile choice for standard builds.

Which should you buy?

Ultimately, the decision between the Cooler Master V850 SFX Gold and the CORSAIR RM650 comes down to your specific needs. If you require a compact, high-efficiency power supply with advanced thermal management, the Cooler Master V850 SFX Gold is an excellent choice at $153.25. However, if you're looking for a reliable, quieter power supply that is about 9.7% cheaper at $138.31 and still offers solid performance, the CORSAIR RM650 may be the better option for your build. Consider your system requirements and preferences before making a final decision.