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ASUS TUF Gaming 1000W Gold vs Thermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 &

Updated August 2026 — ASUS TUF Gaming 1000W Gold leads on warranty and build quality.

The ASUS TUF Gaming 1000W Gold is the superior choice for high-performance systems, while the Thermaltake Smart BM3 is a budget-friendly option for mid-range builds.

Why ASUS TUF Gaming 1000W Gold is better

Power Output

1000W vs 750W

Efficiency

80 Plus Gold vs Bronze

Warranty

10 years vs 5 years

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

Price

$75.99 vs $179.99

Noise Level

Smart Zero Fan function

Size

More compact for mid-range builds

Overall score

ASUS TUF Gaming 1000W Gold
88
Thermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 &
72

Specifications

SpecASUS TUF Gaming 1000W GoldThermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 &
Certification80 Plus Gold80 Plus Bronze
Modular TypeFully ModularSemi-Modular
Fan TypeDual Ball BearingFluid Dynamic Bearing
CapacitorsMilitary-gradeJapanese
PCIe SupportGen 5Gen 5

Dimension comparison

ASUS TUF Gaming 1000W GoldThermaltake Smart BM3 750W 80Plus Bronze ATX 3.1 &

Price Comparison

The ASUS TUF Gaming 1000W Gold is priced at $179.99, while the Thermaltake Smart BM3 750W is significantly cheaper at $75.99. This makes the Smart BM3 about 58% less expensive than the TUF Gaming 1000W. For budget-conscious consumers, the Thermaltake may seem like a more appealing option at first glance. However, the price difference also reflects the capabilities and specifications of each power supply unit (PSU).

The ASUS TUF Gaming 1000W Gold is designed to support higher-end systems, boasting a power output of 1000 watts. In contrast, the Thermaltake Smart BM3 only provides 750 watts. This disparity means that while the Thermaltake is easier on the wallet, it may not be suitable for users looking to power more demanding components, especially for high-performance gaming rigs requiring more wattage.

Efficiency Ratings

In terms of efficiency certifications, the ASUS TUF Gaming 1000W Gold holds an 80 Plus Gold certification, indicating higher efficiency at converting AC to DC power. The Thermaltake Smart BM3, on the other hand, is 80 Plus Bronze certified. The difference in efficiency ratings means that the TUF Gaming PSU can deliver better energy savings and may lead to lower electricity bills over time.

The ASUS TUF Gaming 1000W Gold's certification implies it has a higher operational efficiency, typically above 90% under optimal load conditions. The Thermaltake's Bronze certification, while respectable, falls short of the Gold standard, often yielding around 85% efficiency. This distinction can be crucial for users who prioritize energy efficiency and long-term operational costs.

Modular Design

The ASUS TUF Gaming 1000W Gold features a fully modular design, allowing users to connect only the cables they need, thus reducing cable clutter and improving airflow within the system. In contrast, the Thermaltake Smart BM3 is semi-modular, meaning that while some cables can be detached, others are permanently attached.

The fully modular design of the ASUS power supply provides enhanced flexibility and ease of installation, especially for custom builds where cable management is vital. Users looking for a cleaner and more organized setup may prefer the TUF Gaming 1000W Gold for this reason, despite its higher price. The semi-modularity of the Thermaltake may suffice for less complex builds but could become cumbersome in more elaborate systems.

Component Quality

When it comes to component quality, the ASUS TUF Gaming 1000W Gold employs military-grade components and Japanese capacitors, which are known for their durability and reliability. This high-quality construction supports the 10-year warranty offered by ASUS, reflecting their confidence in the product's longevity.

Conversely, the Thermaltake Smart BM3 utilizes high-quality Japanese capacitors rated for 105°C (221°F). While this is a commendable feature, it does not quite match the military-grade specification of the ASUS PSU. The 5-year warranty on the Thermaltake also indicates a shorter expected lifespan compared to the TUF Gaming PSU, making the latter potentially a better investment for long-term use.

Cooling Solutions

Cooling is another critical consideration for power supplies. The ASUS TUF Gaming 1000W Gold is equipped with a dual ball bearing fan that can last up to twice as long as traditional sleeve bearing designs. This feature not only enhances the longevity of the fan but also improves cooling efficiency.

The Thermaltake Smart BM3 includes a 120mm fluid dynamic bearing fan with a Smart Zero Fan function, which keeps the fan off until the PSU load exceeds 20%. This function minimizes noise during low-load conditions, which can be a significant advantage for users who prioritize a quiet computing environment. While both PSUs have effective cooling solutions, the ASUS model's superior fan design may contribute to better thermal management over time.

Compatibility

The ASUS TUF Gaming 1000W Gold is ATX 3.0 compatible and comes with a 16-pin PCIe cable capable of delivering up to 600W to PCIe Gen 5.0 graphics cards. This makes it an excellent choice for gamers and PC builders who aim to use the latest generation of graphics cards and require future-proofing.

The Thermaltake Smart BM3 is also compliant with ATX 3.1 standards and features PCIe Gen 5 compatibility. However, its lower wattage rating may limit its use with high-performance components. For users planning to build a powerful gaming rig with cutting-edge technology, the ASUS TUF Gaming 1000W Gold offers better compatibility and support for more demanding setups.

Warranty and Support

In terms of warranty, the ASUS TUF Gaming 1000W Gold stands out with an impressive 10-year warranty, showcasing the brand's commitment to quality and customer satisfaction. On the other hand, the Thermaltake Smart BM3 comes with a more modest 5-year warranty.

The longer warranty period of the ASUS PSU suggests that it is built to last and provides peace of mind for users who may be concerned about potential issues over time. The shorter warranty of the Thermaltake may indicate a lesser confidence in long-term reliability, which could be a crucial factor for buyers looking for assurance in their investment.

Which should you buy?

Choosing between the ASUS TUF Gaming 1000W Gold and the Thermaltake Smart BM3 750W ultimately depends on your specific needs and budget. If you are building a high-performance gaming system that requires substantial power and efficiency, the ASUS TUF Gaming 1000W Gold is the superior choice, despite its higher price of $179.99. Its fully modular design, exceptional component quality, and long warranty make it a worthwhile investment for serious gamers.

Conversely, if you are looking for a cost-effective solution for a mid-range system, the Thermaltake Smart BM3 at $75.99 provides decent performance and essential features at a significantly lower price. However, consider its limitations in power output and warranty length. For those who can afford the extra cost, the ASUS model offers long-term benefits and future-proofing potential that may outweigh its initial price.