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be quiet! Pure Power 12 650W PSU | 80 Plus Gold | vs MSI MAG A850GL PCIE5, Fully Modular Compact Gaming

Updated July 2026 — be quiet! Pure Power 12 650W PSU | 80 Plus Gold | leads on price and noise.

The be quiet! Pure Power 12 offers superior efficiency and lower price, making it the better choice for quiet systems. The MSI MAG A850GL is a solid option but lacks the same value.

Why be quiet! Pure Power 12 650W PSU | 80 Plus Gold | is better

Price

be quiet! Pure Power 12 is $64.90 compared to MSI's $119.99

Efficiency

be quiet! Pure Power 12 has an efficiency rating of up to 92.7%

Noise

be quiet! Pure Power 12 emphasizes silent operation with a temperature-controlled fan

Why MSI MAG A850GL PCIE5, Fully Modular Compact Gaming is better

Modularity

Both are fully modular, but MSI's design is compact

Brand

MSI is known for gaming components

Warranty

Both have a 10-year warranty, but MSI's reputation may be stronger

Overall score

be quiet! Pure Power 12 650W PSU | 80 Plus Gold |
88
MSI MAG A850GL PCIE5, Fully Modular Compact Gaming
76

Specifications

Specbe quiet! Pure Power 12 650W PSU | 80 Plus Gold |MSI MAG A850GL PCIE5, Fully Modular Compact Gaming
Power Output650W850W
Certification80 PLUS Gold80 PLUS Gold
Fan Size120mmNot specified
Connector Type12V-2x6 + 6+2-pin12V-2x6
Compact DesignNoYes

Dimension comparison

be quiet! Pure Power 12 650W PSU | 80 Plus Gold |MSI MAG A850GL PCIE5, Fully Modular Compact Gaming

Overview of the Products

When it comes to high-performance power supplies, the be quiet! Pure Power 12 650W PSU and the MSI MAG A850GL PCIE5 stand out in the market. The Pure Power 12 is priced at $64.90, making it about 46% cheaper than the MSI MAG A850GL, which retails for $119.99. This significant price difference is worth considering as you evaluate the performance and features of each product.

Performance and Efficiency

The be quiet! Pure Power 12 boasts an impressive 80 PLUS Gold certification with an efficiency rating of up to 92.7%. This high efficiency translates to lower power consumption and reduced heat generation, making it particularly suitable for quiet gaming and media systems. In comparison, the MSI MAG A850GL also holds an 80 PLUS Gold certification, but specific efficiency ratings are not detailed. The Pure Power 12's ability to handle power excursions up to double its rated power ensures reliable operation under high demands, a crucial feature for modern gaming setups.

Design and Build Quality

Both power supplies feature a fully modular design, enhancing cable management and airflow. However, the be quiet! Pure Power 12 is specifically designed for quiet operation, thanks to its temperature-controlled 120mm fan. This fan is crafted to maintain a balance between effective cooling and minimal noise, making it ideal for users who prioritize a quiet environment. The MSI MAG A850GL is compact and also has a fully modular setup, but it doesn't emphasize noise reduction in its description, which may be a drawback for some users.

Compatibility and Future-Proofing

The be quiet! Pure Power 12 is not just ATX 3.1 compliant but also supports PCIe 5.1 graphics cards natively, making it an excellent choice for future-proofing your gaming rig. It includes both a 12V-2x6 connector and two PCIe 6+2-pin connectors, ensuring compatibility with both current and next-gen GPUs. The MSI MAG A850GL is similarly compliant with ATX 3.1 and PCIe 5.1, featuring a native dual-color 12V-2x6 cable. While both products are designed for future upgrades, the Pure Power 12 offers more versatility in connectivity options.

Warranty and Reliability

Both power supplies come with a 10-year warranty, providing peace of mind regarding long-term reliability. This extensive warranty reflects the manufacturers' confidence in their products. However, the be quiet! brand is particularly known for its emphasis on quiet operation and efficiency, which may offer an edge in reliability for users focused on building silent systems.

Price Comparison

The most striking difference between the two products is their price. The be quiet! Pure Power 12 is priced at $64.90, making it about 46% less expensive than the MSI MAG A850GL, which is priced at $119.99. This considerable price gap could be a decisive factor for budget-conscious consumers who still want high-quality performance without breaking the bank. The lower price of the Pure Power 12 does not seem to compromise on features or performance, making it an attractive option.

User Experience and Reviews

While specific sales ranks and user reviews are not provided, the features and specifications of both power supplies suggest they are aimed at serious gamers and PC builders. The be quiet! Pure Power 12's focus on silent operation and high efficiency might appeal more to users who value a quieter computing experience. On the other hand, the MSI MAG A850GL's compact design could attract those with space limitations in their builds.

Which should you buy?

Choosing between the be quiet! Pure Power 12 650W PSU and the MSI MAG A850GL comes down to your specific needs. The be quiet! model offers superior efficiency, lower price, and a focus on silent operation, making it ideal for quiet gaming systems. The MSI MAG A850GL, while more expensive, is still a reliable choice for those who may prefer its compact design and modular flexibility. If budget and quiet operation are your primary concerns, the be quiet! Pure Power 12 is the clear winner.