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be quiet! Pure Power 13 M 1000W Power Supply, 80 vs MSI MPG A850GS PCIE5, Fully Modular Gaming 850W

Updated August 2026 — be quiet! Pure Power 13 M 1000W Power Supply, 80 wins on power and cooling, MSI MPG A850GS PCIE5, Fully Modular Gaming 850W wins on warranty and price.

The be quiet! Pure Power 13 M offers higher power output and efficiency, while the MSI MPG A850GS is more budget-friendly with a longer warranty.

Why be quiet! Pure Power 13 M 1000W Power Supply, 80 is better

Power Output

1000W vs 850W

Efficiency

94.4% vs unspecified

Cooling

Semi-passive cooling vs unspecified

Why MSI MPG A850GS PCIE5, Fully Modular Gaming 850W is better

Price

$110.99 vs $139.90

Warranty

10 years vs unspecified

Capacitors

100% Japanese vs unspecified

Overall score

be quiet! Pure Power 13 M 1000W Power Supply, 80
85
MSI MPG A850GS PCIE5, Fully Modular Gaming 850W
75

Specifications

Specbe quiet! Pure Power 13 M 1000W Power Supply, 80MSI MPG A850GS PCIE5, Fully Modular Gaming 850W
Power Output1000W850W
Efficiency Rating94.4%unspecified
Cooling TypeSemi-passiveunspecified
ModularityFully ModularFully Modular
Warrantyunspecified10 years

Dimension comparison

be quiet! Pure Power 13 M 1000W Power Supply, 80MSI MPG A850GS PCIE5, Fully Modular Gaming 850W

Price Comparison

The be quiet! Pure Power 13 M 1000W Power Supply is priced at $139.90, while the MSI MPG A850GS PCIE5 comes in at a lower price of $110.99. This makes the MSI option about 21% cheaper than the be quiet! model. If budget is a primary concern, the MSI MPG A850GS presents a more attractive price point, saving you nearly $29.91 compared to its competitor. However, it’s crucial to weigh the differences in specifications and features that justify the price variance.

Efficiency Ratings

Both power supplies are certified 80 PLUS Gold, indicating high efficiency; however, the be quiet! model boasts an efficiency rating of up to 94.4%, which is slightly more impressive than the MSI's unspecified efficiency under standard conditions. Higher efficiency translates to lower electricity costs and less heat generation, making the be quiet! Pure Power 13 M a potentially better choice for users focused on long-term performance and energy savings. Therefore, while both options are efficient, the be quiet! model offers a slight edge.

Power Output

The be quiet! Pure Power 13 M delivers a robust 1000W of continuous power, notably higher than the 850W offered by the MSI MPG A850GS. This 150W difference could be significant for users with high-performance components, especially for gaming or workstation setups that demand more power. The added capacity of the be quiet! unit also means it can handle transient loads more effectively, making it more suitable for overclocked systems or high-demand applications.

Cooling Technologies

Cooling capabilities are essential in maintaining optimal performance, and both models feature impressive designs. The be quiet! Pure Power 13 M incorporates a semi-passive cooling system where the fan turns off under low load, ensuring silent operation. In contrast, while the MSI MPG A850GS is also designed for low noise, it lacks specific details about a similar feature. The quiet operation of the be quiet! unit may appeal to users prioritizing a silent computing environment, particularly in home or office settings.

Cable Management

When it comes to cable management, the be quiet! Pure Power 13 M offers modular cables, allowing users to leave out unnecessary cables for a cleaner and more organized build. This can lead to enhanced airflow and improved aesthetics. The MSI MPG A850GS is also fully modular, providing flexibility in cable selection. Both units excel in this category, but the user experience may vary based on personal preferences and the specific needs of a build.

Warranty and Build Quality

The MSI MPG A850GS stands out with a 10-year warranty, indicating the manufacturer's confidence in its longevity and reliability. In contrast, the be quiet! model does not specify a warranty period, which may raise concerns for some potential buyers about its long-term durability. Additionally, the MSI uses 100% Japanese 105°C capacitors, which are known for their reliability. While both brands are reputable, the extended warranty of the MSI could be a deciding factor for users seeking long-term assurance.

Target Audience

The be quiet! Pure Power 13 M is geared towards users looking for a high-capacity, efficient power supply that can support demanding setups and provide quiet operation. In contrast, the MSI MPG A850GS targets gamers and general users who desire a reliable, cost-effective solution with sufficient power for mainstream systems. Depending on your specific needs—whether it's maximum output or budget considerations—each model caters to different segments of the PC building community.

Which should you buy?

Choosing between the be quiet! Pure Power 13 M and the MSI MPG A850GS ultimately depends on your specific requirements. If you need a high-output power supply and prioritize efficiency and silent operation, the be quiet! model is worth the higher price. However, if you are looking for a budget-friendly option with solid reliability and a long warranty, the MSI MPG A850GS is the better choice. Both products offer excellent features, but your decision should align with your performance needs and financial considerations.