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ASUS ROG Thor 1200W Platinum III PSU vs be quiet! Pure Power 12 850W Power Supply

Updated August 2026The ASUS ROG Thor 1200W Platinum III PSU offers superior performance and features compared to the be quiet! Pure Power 12 850W Power Supply, making it the better choice for high-end users.

The ASUS ROG Thor 1200W Platinum III PSU offers superior performance and features compared to the be quiet! Pure Power 12 850W Power Supply, making it the better choice for high-end users.

Why ASUS ROG Thor 1200W Platinum III PSU is better

Higher wattage

ASUS provides 1200W vs be quiet!'s 850W

Better efficiency

ASUS has 80 PLUS Platinum certification

Advanced features

ASUS includes a magnetic OLED display and Turbo Mode

Why be quiet! Pure Power 12 850W Power Supply is better

Lower price

be quiet! is priced at C$180.11

Sufficient for mid-range

be quiet! is suitable for general users

Compact size

be quiet! may fit smaller builds better

Overall score

ASUS ROG Thor 1200W Platinum III PSU
85
be quiet! Pure Power 12 850W Power Supply
60

Specifications

SpecASUS ROG Thor 1200W Platinum III PSUbe quiet! Pure Power 12 850W Power Supply
BrandAsusbe quiet!
ModelROG Thor 1200WPure Power 12 850W
DisplayOLEDNone
Cooling TypeROG heatsinksNot specified
Voltage StabilizerYesNo

Dimension comparison

ASUS ROG Thor 1200W Platinum III PSUbe quiet! Pure Power 12 850W Power Supply

Price Comparison

The price difference between the ASUS ROG Thor 1200W Platinum III PSU and the be quiet! Pure Power 12 850W Power Supply is substantial. The ASUS unit is priced at C$552.99, while the be quiet! model is significantly more affordable at C$180.11. This makes the be quiet! power supply a more accessible option for budget-conscious consumers who still want reliable performance. However, the higher price of the ASUS unit reflects its advanced features and capabilities, which may appeal to gamers and high-performance PC builders willing to invest more for enhanced efficiency and power delivery.

Power Output

When it comes to power output, the ASUS ROG Thor provides a robust 1200W, significantly outpacing the be quiet! Pure Power's 850W. This difference of 350W is critical for users with high-end graphics cards or multiple components requiring substantial power. The ASUS unit's higher wattage allows for more headroom, making it ideal for demanding gaming setups or workstations. On the other hand, the be quiet! model may suit general users or those with mid-range systems, but it may struggle under the load of high-performance components.

Efficiency Ratings

The ASUS ROG Thor boasts an 80 PLUS Platinum certification, indicating that it operates with up to 92% efficiency at typical loads. This efficiency is enhanced by its use of GaN MOSFET technology, which provides up to 30% more power efficiency compared to standard MOSFETs. In contrast, the be quiet! Pure Power 12 does not mention its efficiency rating in the provided information. Given the ASUS unit's superior efficiency claims, it can offer long-term savings on electricity bills and better thermal performance, making it a more enticing option for those prioritizing efficiency.

Cooling Features

Cooling is a critical factor in power supply performance, and the ASUS ROG Thor excels with its premium components and dedicated ROG heatsinks. This design keeps the system thermals under control, crucial for high-load scenarios like gaming or heavy computational tasks. Additionally, the ASUS model features a Turbo Mode that optimizes fan operation for extended power excursions. In contrast, the cooling specifications for the be quiet! model are not detailed, which leaves potential buyers uncertain about its cooling efficiency. Users seeking reliable cooling will likely find the ASUS ROG Thor to be a more reassuring choice.

Voltage Stability

Voltage stability can directly impact system performance, particularly in gaming and high-stress applications. The ASUS ROG Thor features a GPU-First voltage sensing with a patented intelligent voltage stabilizer that enhances voltage delivery to graphics cards by up to 45%. This means users can expect smoother gaming experiences and more consistent performance under load. Unfortunately, the be quiet! Pure Power lacks any detailed claims about its voltage stability features, which could be a critical drawback for users aiming for peak performance in demanding scenarios.

Design and Aesthetics

In terms of design, the ASUS ROG Thor presents a modern and sleek aesthetic, which includes a magnetic OLED display that shows real-time power draw. This display can be positioned on either side of the unit, accommodating various installation preferences. The fully aluminum enclosure not only adds to the visual appeal but also contributes to its cooling efficiency. The design aspects of the be quiet! Pure Power 12 are less clear, as no specific aesthetic features or materials are mentioned. Users looking for a visually striking power supply might find the ASUS unit more appealing.

Warranty and Reliability

The ASUS ROG Thor comes with a robust 10-year warranty, reflecting the manufacturer's confidence in its durability and performance. This extensive coverage can provide peace of mind for users investing in high-end components. Conversely, there is no warranty information available for the be quiet! Pure Power 12, which may leave potential buyers concerned about the long-term reliability and support for their purchase. A solid warranty can be a decisive factor for consumers who want assurance of product longevity.

Which should you buy?

In summary, choosing between the ASUS ROG Thor 1200W Platinum III PSU and the be quiet! Pure Power 12 850W Power Supply hinges on your specific needs and budget. If you require high wattage, exceptional efficiency, and advanced features like real-time power monitoring and superior voltage stability, the ASUS ROG Thor is worth the investment at C$552.99. However, if you're on a tighter budget or have a mid-range system, the be quiet! model at C$180.11 could serve your needs adequately without breaking the bank. Ultimately, your choice should reflect your performance requirements and budgetary constraints.

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ASUS ROG Thor 1200W Platinum III PSU vs be quiet! Pure Power 12 850W Power Supply | versusfinder