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Cooler Master MWE Gold 850 V3 Fully Modular Power vs Thermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 &

Updated August 2026 — Cooler Master MWE Gold 850 V3 Fully Modular Power leads on durability and efficiency.

The Cooler Master MWE Gold 850 V3 outperforms the Thermaltake Smart BM3 in efficiency, modularity, and warranty, making it the superior choice for high-performance builds.

Why Cooler Master MWE Gold 850 V3 Fully Modular Power is better

Efficiency

Cooler Master has 80 Plus Gold certification versus Bronze for Thermaltake.

Modularity

Cooler Master is fully modular, while Thermaltake is semi-modular.

Warranty

Cooler Master offers a 10-year warranty compared to 5 years for Thermaltake.

Why Thermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 & is better

Price

Thermaltake is $75.99, cheaper than Cooler Master's $89.99.

Size

Thermaltake is smaller in dimensions.

Noise Control

Thermaltake has Smart Zero Fan function for quieter operation.

Overall score

Cooler Master MWE Gold 850 V3 Fully Modular Power
88
Thermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 &
75

Specifications

SpecCooler Master MWE Gold 850 V3 Fully Modular PowerThermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 &
Certification80 Plus Gold80 Plus Bronze
Cooling FanHexagonal120mm FDB
Connector TypeFully ModularSemi-Modular
Max Output850W750W
Noise LevelLowModerate

Dimension comparison

Cooler Master MWE Gold 850 V3 Fully Modular PowerThermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 &

Price Comparison

The Cooler Master MWE Gold 850 V3 is priced at $89.99, making it about 18% more expensive than the Thermaltake Smart BM3, which retails for $75.99. This price difference reflects the distinct certifications and features offered by each power supply. While both units are designed for modern gaming and computing systems, the additional cost of the Cooler Master unit can be attributed to its higher efficiency rating and modular design.

Power Output

In terms of power output, the Cooler Master MWE Gold 850 V3 provides a maximum capacity of 850W. This allows for a greater range of compatibility with high-performance components, particularly for power-hungry graphics cards. On the other hand, the Thermaltake Smart BM3 has a slightly lower output at 750W. If you plan on building a system with multiple high-end GPUs or other demanding components, the additional 100W from the Cooler Master could make a significant difference in performance and stability.

Efficiency Ratings

The Cooler Master MWE Gold 850 V3 boasts an 80 Plus Gold certification, achieving up to 90% efficiency. This means that it wastes less power during operation compared to the Thermaltake Smart BM3, which carries an 80 Plus Bronze certification. The Bronze rating indicates a maximum efficiency of around 85%. Over time, the efficiency of the Cooler Master could lead to lower electricity bills and a smaller carbon footprint, making it a more eco-friendly choice despite its higher upfront cost.

Modular Design

Modularity is a key feature in power supplies, and this is where the Cooler Master MWE Gold 850 V3 excels as it is fully modular. This allows users to connect only the cables they need, resulting in a cleaner build and improved airflow within the case. In contrast, the Thermaltake Smart BM3 is semi-modular, meaning that some cables are fixed while others can be chosen by the user. While this may suffice for many users, those who prioritize aesthetics and airflow may prefer the Cooler Master's fully modular design.

Thermal Performance

The Cooler Master MWE Gold 850 V3 is designed with advanced thermal performance in mind, featuring a unique hexagonal fan cover that enhances airflow intake by 80%. This design is complemented by a zero-RPM mode that allows the fan to remain silent under low loads. The Thermaltake Smart BM3 also has thermal management features, including a 120mm fluid dynamic bearing fan and a Smart Zero Fan function that minimizes noise until the load exceeds 20%. While both units are equipped to handle heat, the Cooler Master’s design may provide an edge in terms of efficient cooling.

Warranty

When it comes to warranty, the Cooler Master MWE Gold 850 V3 offers an impressive 10-year warranty, providing peace of mind regarding durability and reliability. In comparison, the Thermaltake Smart BM3 has a 5-year warranty, which is still commendable but shorter than its competitor. The longer warranty on the Cooler Master may be indicative of the brand's confidence in the product's longevity and performance.

Target Audience

The Cooler Master MWE Gold 850 V3 is ideal for enthusiasts and gamers who require high performance and expect to power demanding hardware. Its robust features and higher wattage make it suitable for more elaborate setups. On the other hand, the Thermaltake Smart BM3 is targeted towards value-oriented users who seek a reliable power supply for mid-range systems without the need for excessive wattage or modularity. Each product serves its audience well, but choosing between them ultimately depends on your specific needs.

Which should you buy?

The decision between the Cooler Master MWE Gold 850 V3 and the Thermaltake Smart BM3 largely hinges on your power requirements and budget. If you need higher power output, superior efficiency, and a fully modular design for a high-performance gaming rig, the Cooler Master is the better choice despite its higher price of $89.99. However, if you are looking for a more budget-friendly option that still meets modern standards, the Thermaltake Smart BM3 at $75.99 offers solid performance with its semi-modular design and adequate power output for most mid-range systems. Ultimately, both power supplies have their strengths, but the Cooler Master is better suited for high-demand users, while the Thermaltake appeals to those who prioritize cost-effectiveness.