be quiet! Pure Power 13 M 850W Power Supply vs ASUS TUF Gaming 1000W Gold
Updated August 2026 — The be quiet! Pure Power 13 M offers excellent efficiency and silent operation at a lower price, while the ASUS TUF Gaming 1000W Gold provides higher wattage and superior build quality. Choose based on your specific needs.
The be quiet! Pure Power 13 M offers excellent efficiency and silent operation at a lower price, while the ASUS TUF Gaming 1000W Gold provides higher wattage and superior build quality. Choose based on your specific needs.
Why be quiet! Pure Power 13 M 850W Power Supply is better
price
C$173.21 vs C$219.99
efficiency
94.4% efficiency rating
silent operation
semi-passive cooling feature
Why ASUS TUF Gaming 1000W Gold is better
power output
1000W vs 850W
build quality
military-grade certification
compatibility
supports PCIe Gen 5.0 graphics cards
Overall score
Specifications
| Spec | be quiet! Pure Power 13 M 850W Power Supply | ASUS TUF Gaming 1000W Gold |
|---|---|---|
| Brand | be quiet! | Asus |
| Certification | 80 PLUS Gold | 80 PLUS Gold |
| Fan Type | Zero-RPM | Dual ball bearings |
| PCB Coating | No | Yes |
| Connector Type | 12V-2x6 | 16-pin PCIe |
Dimension comparison
Price Comparison
The be quiet! Pure Power 13 M 850W Power Supply is priced at C$173.21, while the ASUS TUF Gaming 1000W Gold is more expensive at C$219.99. This significant price difference of C$46.78 reflects the varying capabilities and features of each power supply. The be quiet! model offers a solid balance of performance and efficiency for a lower price, making it appealing for budget-conscious consumers. In contrast, the ASUS option, while pricier, boasts additional wattage and advanced features that may justify its higher cost for users seeking top-tier performance.
Efficiency Ratings
In terms of efficiency, both power supplies hold an 80 PLUS Gold certification, ensuring high operational efficiency. The be quiet! Pure Power 13 M achieves an outstanding efficiency rating of up to 94.4%, emphasising its capability to reduce power consumption and operational costs. This feature also contributes to cooler and quieter performance, making it suitable for quiet systems or gaming PCs. On the other hand, the ASUS TUF Gaming 1000W Gold also benefits from an 80 PLUS Gold certification, attributed to its use of premium Japanese capacitors. This guarantees that both units will operate efficiently, though the specific efficiency percentage is not disclosed for the ASUS model.
Power Output
The power output is one of the key differentiators between the two models. The be quiet! Pure Power 13 M provides 850W of continuous power, which is adequate for most mid to high-end gaming systems. In contrast, the ASUS TUF Gaming 1000W Gold offers a higher output of 1000W, making it particularly suitable for users with multiple high-performance components, such as dual graphics card setups. This additional capacity means that the ASUS model can handle more demanding power loads, which may be critical for gamers and content creators pushing their systems to the limit.
Cooling Features
Cooling performance is crucial for maintaining system stability and longevity. The be quiet! Pure Power 13 M features a semi-passive zero-RPM cooling system that allows the fan to turn off completely under low loads, ensuring silent operation during less intensive tasks. This is a significant advantage for users prioritising a quiet computing environment. Conversely, the ASUS TUF Gaming 1000W Gold employs dual ball fan bearings, which can last up to twice as long as traditional sleeve bearing designs, enhancing durability and performance. While both models offer effective cooling solutions, the choice depends on whether you value silent operation or long-term fan reliability.
Build Quality and Durability
When it comes to build quality, the ASUS TUF Gaming 1000W Gold excels with its military-grade certification, ensuring that its components can withstand demanding conditions. Additionally, it features a protective PCB coating that safeguards against moisture, dust, and extreme temperatures, enhancing its durability in various environments. The be quiet! Pure Power 13 M, while not explicitly stated to have similar protective features, is designed with high-class technologies and LLC topology for rock-solid stability. Thus, while both power supplies are built for reliable performance, the ASUS model has an edge in terms of ruggedness and environmental resilience.
Compatibility
Compatibility is another important aspect to consider. The be quiet! Pure Power 13 M is ATX 3.1 compliant and comes with a native 12V-2x6 connector for next-generation PCIe 5.1 graphics cards, alongside four PCIe 6+2-pin connectors for current-generation GPUs. This versatility makes it an excellent choice for users looking to future-proof their systems. Meanwhile, the ASUS TUF Gaming 1000W Gold is ATX 3.0 compatible and includes a 16-pin PCIe cable capable of delivering up to 600W to PCIe Gen 5.0 graphics cards. Both units offer excellent compatibility, but the be quiet! model provides slightly more flexibility for future upgrades.
Noise Levels
Noise levels can significantly impact the overall user experience, especially in a gaming or media creation environment. The be quiet! Pure Power 13 M is designed with silent operation in mind, allowing the fan to turn off under low loads, which contributes to its exceptionally quiet performance. This feature is ideal for users who prefer a noise-free environment. On the other hand, while the ASUS TUF Gaming 1000W Gold does not specifically highlight noise reduction features, its dual ball fan bearings are known for their longevity and reliability, which may indirectly contribute to quieter operation over time. For users prioritising noise levels, the be quiet! model is the clear choice.
Which should you buy?
Choosing between the be quiet! Pure Power 13 M 850W Power Supply and the ASUS TUF Gaming 1000W Gold ultimately depends on your specific needs and budget. If you are looking for a cost-effective solution that offers excellent efficiency, silent operation, and future-proofing capabilities at C$173.21, the be quiet! model is a great choice. However, if you require higher wattage for demanding setups, exceptional build quality, and are willing to invest C$219.99 for those features, the ASUS TUF Gaming 1000W Gold may be worth the extra cost. Each power supply has its strengths, so consider your usage scenarios and preferences when making your decision.
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