be quiet! Pure Power 13 M 1000W Power Supply, 80 vs MSI MAG A850GL PCIE5, Fully Modular Compact Gaming
Updated July 2026 — be quiet! Pure Power 13 M 1000W Power Supply, 80 wins on wattage and cooling, MSI MAG A850GL PCIE5, Fully Modular Compact Gaming wins on warranty and size.
The be quiet! Pure Power 13 M offers higher wattage and advanced features, making it a better choice for high-performance systems, while the MSI MAG A850GL is a solid budget option.
Why be quiet! Pure Power 13 M 1000W Power Supply, 80 is better
Higher Wattage
1000W vs 850W
Advanced Cooling
Semi-passive cooling technology
Future-Proofing
Native PCIe 5.1 support
Why MSI MAG A850GL PCIE5, Fully Modular Compact Gaming is better
Lower Price
$119.99 vs $139.90
Compact Size
Designed for smaller builds
Long Warranty
10-year warranty offered
Overall score
Specifications
| Spec | be quiet! Pure Power 13 M 1000W Power Supply, 80 | MSI MAG A850GL PCIE5, Fully Modular Compact Gaming |
|---|---|---|
| Certification | 80 PLUS Gold | 80 PLUS Gold |
| ATX Version | 3.1 | 3.1 |
| PCIe Support | 5.1 | 5.1 |
| Fan Type | Semi-passive | Standard |
| Cable Type | Modular | Fully Modular |
| Price | $139.90 | $119.99 |
Dimension comparison
Overview of the Products
The be quiet! Pure Power 13 M 1000W Power Supply and the MSI MAG A850GL PCIE5 are both excellent choices for gamers and PC builders seeking reliable power solutions. The Pure Power 13 M is priced at $139.90, while the MAG A850GL is more budget-friendly at $119.99, making it about 17% cheaper. Both power supplies offer 80 PLUS Gold certification, ensuring high energy efficiency and lower operational costs.
Power Output and Efficiency
When it comes to power output, the be quiet! Pure Power 13 M provides a robust 1000W, which is ideal for systems with high power demands, especially with overclocked GPUs. In comparison, the MSI MAG A850GL offers 850W, which may suffice for many gaming setups but could limit future upgrades if high-performance components are added. Both units are certified 80 PLUS Gold, with the Pure Power 13 M boasting an efficiency rating of up to 94.4%, ensuring lower energy consumption and quieter operation.
Compatibility and Future-Proofing
The be quiet! Pure Power 13 M is designed to be future-proof, as it fulfills all ATX 3.1 specifications. It includes native support for PCIe 5.1 graphics cards, making it versatile for both current and next-gen GPUs. Conversely, the MSI MAG A850GL is also ATX 3.1 and PCIe 5.1 ready, offering solid compatibility as well. However, the additional wattage of the Pure Power 13 M may provide a more robust foundation for future upgrades, especially for gaming enthusiasts looking to push their systems.
Cooling Performance
Cooling performance is critical in power supply units. The Pure Power 13 M features a semi-passive design where the fan operates only under high load, resulting in a quieter experience during low usage. This is particularly appealing for users who prioritize silence in their gaming or work environments. The MSI MAG A850GL also has a fully modular design, which helps with airflow and cable management, but lacks specific details on its cooling technology. While both are designed to minimize noise, the Pure Power 13 M appears to have a slight edge in achieving a quieter operation.
Design and Build Quality
The design and build quality of both power supplies reflect their brands' commitment to performance. The be quiet! Pure Power 13 M emphasizes a rock-solid stability with its LLC topology, ensuring high-quality voltage regulation. Its modular cables promote a tidy system layout, which enhances airflow. On the other hand, the MSI MAG A850GL boasts a compact size, which can be an advantage in smaller builds. Both units are fully modular, but the Pure Power 13 M's advanced technologies might appeal more to users wanting high-end performance and reliability.
Warranty and Reliability
Warranty offerings can significantly impact purchasing decisions. The MSI MAG A850GL comes with a 10-year limited warranty, which speaks to its reliability and the manufacturer's confidence in the product. In contrast, the be quiet! Pure Power 13 M does not specify a warranty period in the provided data. While this may not directly reflect quality, the extended warranty of the MAG A850GL provides peace of mind for users concerned about long-term operation.
Price Considerations
Price is always a critical factor in purchasing decisions. The be quiet! Pure Power 13 M is priced at $139.90, while the MSI MAG A850GL is priced at $119.99, making it the more economical option by about $20. This price difference may make the MAG A850GL more appealing to budget-conscious gamers or builders who do not require the higher wattage of the Pure Power 13 M. However, the additional power and features of the Pure Power 13 M may justify its higher price for those looking for longevity and performance.
Which should you buy?
Ultimately, the choice between the be quiet! Pure Power 13 M and the MSI MAG A850GL comes down to individual needs and budget. If you require higher wattage and future-proofing with advanced cooling technology, the Pure Power 13 M is the superior choice, albeit at a higher price of $139.90. However, if you are looking for a reliable, budget-friendly option that still offers great performance and an impressive 10-year warranty, the MSI MAG A850GL at $119.99 may be the better fit. Each power supply has its strengths, catering to different types of users and system requirements.

