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Cooler Master MWE Gold 850 V3 Fully Modular Power vs Thermaltake Smart 500W 80+ White Certified PSU,

Updated July 2026 — Cooler Master MWE Gold 850 V3 Fully Modular Power wins on power and price, Thermaltake Smart 500W 80+ White Certified PSU, wins on noise.

The Cooler Master MWE Gold 850 is a superior choice for high-performance systems, while the Thermaltake Smart 500 is more budget-friendly for basic needs.

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

Power Output

850W vs 500W

Efficiency

80 Plus Gold vs 80 Plus

Warranty

10 years vs 5 years

Why Thermaltake Smart 500W 80+ White Certified PSU, is better

Price

$39.99 vs $89.99

Size

More compact design

Noise Level

Ultra-quiet fan

Overall score

Cooler Master MWE Gold 850 V3 Fully Modular Power
88
Thermaltake Smart 500W 80+ White Certified PSU,
62

Specifications

SpecCooler Master MWE Gold 850 V3 Fully Modular PowerThermaltake Smart 500W 80+ White Certified PSU,
Certification80 Plus Gold80 Plus
Cooling FanHexagonal120mm
Connector Type2 PCIe 6+22 PCIe 6+2
Form FactorATX 3.1ATX 12V 2.3
MTBF100,000 hrs100,000 hrs

Dimension comparison

Cooler Master MWE Gold 850 V3 Fully Modular PowerThermaltake Smart 500W 80+ White Certified PSU,

Overview of Power Supplies

When comparing the Cooler Master MWE Gold 850 and the Thermaltake Smart 500, the most striking difference is their power output. The Cooler Master MWE Gold 850 boasts a robust 850W capacity, while the Thermaltake Smart 500 is limited to 500W. This significant difference means that the Cooler Master is more suitable for high-performance systems that demand greater power, particularly when running multiple GPUs or other power-hungry components.

Price Comparison

The Cooler Master MWE Gold 850 is priced at $89.99, whereas the Thermaltake Smart 500 is considerably cheaper at $39.99. This makes the Thermaltake about 56% cheaper than the Cooler Master. However, the price gap reflects their different capabilities; the Cooler Master offers higher wattage and efficiency, making it a better choice for demanding builds, while the Thermaltake appeals to budget-conscious users with more modest needs.

Efficiency Ratings

In terms of efficiency, the Cooler Master MWE Gold 850 is 80 Plus Gold certified, achieving up to 90% efficiency under typical load conditions. This high efficiency ensures that less energy is wasted as heat, leading to lower electricity bills and a smaller environmental footprint. On the other hand, the Thermaltake Smart 500 is 80 Plus certified, with an efficiency rating of around 80%. While still decent, this lower efficiency means it may waste more power compared to the Cooler Master, especially under heavy loads.

Durability and Build Quality

The Cooler Master MWE Gold 850 is designed for durability with features such as ATX 3.1 support and 90° durable cables for improved electrical safety. It also includes a 10-year warranty, providing peace of mind regarding its longevity. Conversely, the Thermaltake Smart 500 comes with a 5-year warranty, which is shorter but still respectable. It incorporates high-quality components as well, aimed at ensuring reliable performance over time, though it may not match the Cooler Master in terms of advanced durability features.

Thermal Performance

The Cooler Master MWE Gold 850 excels in thermal performance, equipped with a hexagonal fan cover that allows for 80% airflow intake. Its advanced thermal design includes a zero-RPM mode, which reduces noise during low loads. This makes it ideal for users looking for a quiet operation. The Thermaltake Smart 500 features a 120mm ultra-quiet cooling fan but does not mention any advanced thermal control features like the zero-RPM mode, which may result in more noise during operation under load.

Connector Options

When it comes to connectivity, the Cooler Master MWE Gold 850 provides a more versatile setup with two PCIe 6+2 pin connectors, suitable for high-end graphics cards. Additionally, its ATX 3.1 12V-2x6 native cable allows for up to 600W power delivery to the GPU. The Thermaltake Smart 500 also supports two PCIe 6+2 pin connectors, but with its lower power output, it may not support the same level of performance as the Cooler Master when it comes to demanding builds.

Warranty and Customer Support

Warranty offerings can significantly influence a buyer's decision. The Cooler Master MWE Gold 850 comes with an impressive 10-year warranty, reflecting the manufacturer's confidence in its product's reliability and durability. In contrast, the Thermaltake Smart 500 offers a 5-year warranty, which, while adequate, is half the duration of the Cooler Master's coverage. This difference may be a critical factor for users who prioritize long-term reliability and support.

Which should you buy?

Choosing between the Cooler Master MWE Gold 850 and the Thermaltake Smart 500 ultimately depends on your specific needs and budget. If you're building a high-performance system that demands greater power and efficiency, the Cooler Master MWE Gold 850 is the superior choice, offering a significant 850W capacity, excellent thermal performance, and a lengthy warranty. However, if you're looking for an economical solution for a more modest setup, the Thermaltake Smart 500 provides decent performance at a much lower price point, making it a solid option for budget-conscious consumers.