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Cooler Master V750 SFX Gold 750W Fully Modular vs Thermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 &

Updated August 2026 — Cooler Master V750 SFX Gold 750W Fully Modular leads on modularity and design.

The Cooler Master V750 SFX Gold offers superior efficiency and build quality, making it the better choice for high-performance setups. The Thermaltake Smart BM3 is a budget-friendly option that still meets modern standards.

Why Cooler Master V750 SFX Gold 750W Fully Modular is better

Efficiency

80+ Gold certification vs 80+ Bronze

Warranty

10-year warranty vs 5-year warranty

Modularity

Fully modular vs semi-modular

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

Price

$161.80 vs $75.99

Cooling Fan Size

92mm vs 120mm

Weight

Lighter than V750

Overall score

Cooler Master V750 SFX Gold 750W Fully Modular
88
Thermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 &
75

Specifications

SpecCooler Master V750 SFX Gold 750W Fully ModularThermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 &
Efficiency80+ Gold80+ Bronze
Warranty10 years5 years
ModularityFully ModularSemi-Modular
Cooling FanFDB 92mmFDB 120mm
Power Output750W750W

Dimension comparison

Cooler Master V750 SFX Gold 750W Fully ModularThermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 &

Overview of Power Supply Options

When comparing the Cooler Master V750 SFX Gold and the Thermaltake Smart BM3, it's evident that both power supplies cater to different user needs and preferences. The V750 is priced at $161.80, while the Smart BM3 is about 53% cheaper at $75.99. This significant price difference may influence your purchasing decision, depending on your specific requirements for power performance and features.

Design and Form Factor

The Cooler Master V750 SFX Gold is designed specifically for compact builds, especially mini-ITX cases, making it an excellent choice for users looking to maximize space without sacrificing power. Its fully modular design allows for customized cable lengths, reducing clutter in smaller setups. On the other hand, the Thermaltake Smart BM3 has a standard ATX form factor, which may not fit in more compact builds but offers a more traditional installation experience.

Efficiency Ratings

In terms of efficiency, the Cooler Master V750 boasts an 80+ Gold certification, ensuring about 90% efficiency at typical loads. This high efficiency translates to lower electricity bills and less heat generation during operation. Conversely, the Thermaltake Smart BM3 holds an 80+ Bronze certification, which is still commendable but indicates about 85% efficiency. This means that while the Smart BM3 is effective, the V750 provides better energy savings.

Cooling Performance

Cooling performance is crucial for maintaining optimal operation. The Cooler Master V750 features a 92mm Fluid Dynamic Bearing fan designed for low noise and reliable cooling. This fan works effectively, especially in compact builds where airflow may be limited. Meanwhile, the Thermaltake Smart BM3 is equipped with a larger 120mm fluid dynamic bearing fan, which can deliver excellent airflow. Moreover, the Smart BM3 includes a Smart Zero Fan function, ensuring that the fan remains silent until the load exceeds 20%, minimizing noise during low-power usage.

Cable Management

When it comes to cable management, the Cooler Master V750 excels with its fully modular design, allowing users to connect only the cables they need. This reduces clutter and enhances airflow in the case. In contrast, the Thermaltake Smart BM3 is semi-modular, meaning some cables are fixed. While this design still allows for improved cable management compared to non-modular options, users may find it less flexible than the V750.

Build Quality and Components

The Cooler Master V750 features high-quality components, including 16AWG PCIe high-efficiency cables and an integrated design that ensures top performance and cooling. It is built to last with a 10-year warranty, reflecting confidence in its durability. The Thermaltake Smart BM3, although less expensive, includes high-quality Japanese capacitors rated for 105°C. It also has a solid 5-year warranty, which is respectable but shorter than that of the V750.

Compatibility with Modern Hardware

Both power supplies are compatible with the latest hardware standards, supporting ATX 3.1 and PCIe 5.1. The Cooler Master V750 has a 90° 12VHPWR connector, enhancing electrical durability and safety, making it ideal for users with high-performance GPUs. The Thermaltake Smart BM3 also includes a PCIe Gen 5 compliant connector, ensuring it can power modern graphics cards effectively. Users can feel confident that either option can support their next-generation hardware.

Which should you buy?

Choosing between the Cooler Master V750 SFX Gold and the Thermaltake Smart BM3 ultimately comes down to your specific needs and budget. If you prioritize high efficiency, modular design, and superior build quality, the Cooler Master V750 is the better choice, despite its higher price. However, if you are looking for a more budget-friendly option that still meets modern standards and provides solid performance, the Thermaltake Smart BM3 is a great value at $75.99. Consider your setup, performance requirements, and budget to make the informed choice that best suits your needs.