ASUS ROG Thor 1200W Platinum III PSU vs be quiet! Pure Power 13 M 1000W Power Supply, 80
Updated August 2026 — ASUS ROG Thor 1200W Platinum III PSU wins on warranty and power output, be quiet! Pure Power 13 M 1000W Power Supply, 80 wins on noise level.
The ASUS ROG Thor 1200W Platinum III PSU offers superior features and higher wattage, while the be quiet! Pure Power 13 M 1000W provides excellent value and efficiency at a lower price.
Why ASUS ROG Thor 1200W Platinum III PSU is better
Higher Wattage
ASUS provides 1200W vs be quiet!'s 1000W
Premium Certification
ASUS has 80 PLUS Platinum vs Gold
Longer Warranty
ASUS offers a 10-year warranty
Why be quiet! Pure Power 13 M 1000W Power Supply, 80 is better
Lower Price
be quiet! costs $139.90 vs ASUS at $432.35
Silent Operation
be quiet! features semi-passive cooling
Good Efficiency
be quiet! achieves up to 94.4% efficiency
Overall score
Specifications
| Spec | ASUS ROG Thor 1200W Platinum III PSU | be quiet! Pure Power 13 M 1000W Power Supply, 80 |
|---|---|---|
| Certification | 80 PLUS Platinum | 80 PLUS Gold |
| Cooling Type | Active | Semi-Passive |
| Modularity | Fully Modular | Modular |
| Voltage Regulation | Excellent | Good |
| Fan Type | Dual-Ball | Standard |
Dimension comparison
Pricing Comparison
The ASUS ROG Thor 1200W Platinum III PSU is significantly more expensive than the be quiet! Pure Power 13 M 1000W Power Supply. Priced at $432.35, the ASUS model costs about 209% more than the be quiet! option, which retails for $139.90. This considerable price difference may influence buyers who are budget-conscious or looking for a cost-effective solution for their power supply needs. While the ASUS model boasts premium features and certifications, the be quiet! model offers a solid performance at a more accessible price point, making it appealing to a wider audience.
Efficiency Ratings
The ASUS ROG Thor 1200W Platinum III PSU is equipped with an 80 PLUS Platinum certification, indicating a very high power efficiency, while the be quiet! Pure Power 13 M 1000W Power Supply holds an 80 PLUS Gold certification. The Platinum rating suggests that the ASUS model can achieve up to 90% efficiency at typical loads, compared to the Gold rating, which tops out at 94.4% efficiency. This translates into lower power consumption and operational costs for the be quiet! model, making it a great option for those looking to minimize electricity bills without sacrificing significant performance.
Power Output
When it comes to power output, the ASUS ROG Thor 1200W Platinum III PSU offers a higher wattage of 1200W compared to the be quiet! Pure Power 13 M 1000W’s output of 1000W. This 200W difference allows the ASUS model to support more demanding systems, particularly those with multiple high-end GPUs. However, for most users with standard or moderately powerful setups, the 1000W output from the be quiet! model is sufficient. This makes the be quiet! unit a suitable choice for gaming or everyday tasks without the need for excessive power.
Features and Technology
The ASUS ROG Thor 1200W Platinum III PSU integrates advanced technologies such as GaN MOSFETs, which provide up to 30% more power efficiency than standard MOSFETs, and a GPU-First intelligent voltage stabilizer that enhances voltage delivery to graphics cards by up to 45%. In contrast, the be quiet! Pure Power 13 M 1000W features semi-passive cooling, which allows the fan to turn off completely at low loads for silent operation. While both products boast unique features aimed at enhancing performance and efficiency, the ASUS model's advanced technologies cater to high-performance gaming setups, while the be quiet! model excels in quiet operation and energy efficiency.
Cooling Solutions
Cooling is a critical aspect of power supply performance, and both models incorporate effective cooling solutions. The ASUS ROG Thor 1200W Platinum III PSU utilizes a premium fan with dual-ball bearings, designed to last longer and maintain optimal thermal conditions. It also features ROG heatsinks and an aluminum enclosure for enhanced cooling. The be quiet! Pure Power 13 M 1000W, with its semi-passive fan, remains exceptionally silent during low loads, making it ideal for users prioritizing noise reduction. Both cooling systems are effective, but the choice depends on whether a user values ultimate performance or quiet operation.
Build Quality and Warranty
In terms of build quality, the ASUS ROG Thor 1200W Platinum III PSU is crafted with premium components, including low-ESR capacitors, and offers a robust 10-year warranty, reflecting confidence in its durability. The be quiet! Pure Power 13 M 1000W also emphasizes quality with its reliable fan and LLC technology for voltage regulation. However, it does not specify a warranty period, which might leave buyers wanting more assurance about its longevity. The longer warranty of the ASUS model could be appealing for users looking for long-term reliability in their power supply.
Compatibility
Both power supplies are compliant with ATX 3.1 specifications, ensuring compatibility with the latest hardware. The ASUS ROG Thor 1200W Platinum III PSU is particularly noted for its support of high-performance components, including a GPU-First voltage stabilizer, making it an excellent choice for gamers and enthusiasts. The be quiet! Pure Power 13 M 1000W also supports next-gen PCIe 5.1 graphics cards, making it a versatile option for future-proofing your system. While both models cater to modern hardware requirements, the ASUS unit is tailored for those seeking maximum power and performance.
Which should you buy?
Choosing between the ASUS ROG Thor 1200W Platinum III PSU and the be quiet! Pure Power 13 M 1000W Power Supply ultimately depends on your specific needs and budget. If you require a high-wattage, feature-rich power supply with premium technology and a long warranty, the ASUS model is the way to go, albeit at a higher price of $432.35. On the other hand, if you're looking for an efficient, quieter option with solid performance at a budget-friendly price of $139.90, the be quiet! model delivers excellent value. Consider your system requirements and personal preferences to make the best choice for your power supply needs.

