MSI MAG A750GLS PCIE5, Fully Modular Compact vs SAMA White 650W Power Supply - Fully Modular 80
Updated August 2026 — MSI MAG A750GLS PCIE5, Fully Modular Compact leads on warranty and efficiency.
The MSI MAG A750GLS offers higher power output and a longer warranty, while the SAMA White provides excellent efficiency at a lower price. Choose based on your budget and power needs.
Why MSI MAG A750GLS PCIE5, Fully Modular Compact is better
Higher Power
MSI delivers 750W compared to SAMA's 650W.
Longer Warranty
MSI offers a 10-year warranty versus SAMA's 5-year.
Cooling Features
MSI has advanced cooling with a larger fan.
Why SAMA White 650W Power Supply - Fully Modular 80 is better
Lower Price
SAMA is priced at $62.99, 42% less than MSI.
Slightly Higher Efficiency
SAMA achieves 91.15% efficiency at 50% load.
Compact Design
SAMA's design emphasizes flat cables for better airflow.
Overall score
Specifications
| Spec | MSI MAG A750GLS PCIE5, Fully Modular Compact | SAMA White 650W Power Supply - Fully Modular 80 |
|---|---|---|
| Modular | Fully | Fully |
| ATX Standard | 3.1 | 3.1 |
| PCIe Support | 5.1 | 5.1 |
| Cooling Fan | 135mm | 120mm |
| Connector Type | 12V-2x6 | Native PCIe |
Dimension comparison
Price Comparison
The MSI MAG A750GLS is priced at $89.99, while the SAMA White 650W Power Supply is more budget-friendly at $62.99. This means the MSI option is about 42% more expensive than the SAMA model. For consumers looking to save money, the SAMA power supply offers significant savings without necessarily sacrificing quality, as both products are 80 Plus Gold certified.
Power Output and Efficiency
In terms of power output, the MSI MAG A750GLS delivers 750 watts, making it a powerful choice for high-performance gaming rigs. In contrast, the SAMA White provides 650 watts. While the MSI model offers 100 watts more, both maintain an impressive efficiency rating with 80 Plus Gold certification, indicating up to 90% efficiency for the MSI and slightly higher at 91.15% for the SAMA at 50% load. This means that while the MSI provides more power, the SAMA is slightly more efficient at certain loads.
Compatibility with Modern GPUs
The MSI MAG A750GLS is designed to support the latest ATX 3.1 and PCIe 5.1 standards, featuring native 12V-2x6 connectors, allowing it to deliver up to 600 watts specifically for PCIe 5.1 GPUs. The SAMA White also meets the latest ATX 3.1 standards and includes native PCIe 5.1 ports, ensuring compatibility with high-end GPUs such as the RTX 30 and 40 series. Both power supplies are well-equipped to handle modern graphics cards, making them suitable for gamers and PC builders focused on future-proofing their setups.
Modular Design and Cable Management
Both the MSI MAG A750GLS and the SAMA White feature fully modular designs, which facilitate streamlined cable management. The MSI model includes embossed jacket cables that not only enhance durability but also contribute to low-noise operation thanks to its 135mm Fluid-dynamic bearing fan. The SAMA model emphasizes flat cables for easy organization, which can improve airflow in your build. This similarity means that both products cater well to users who prioritize a clean and efficient build.
Cooling and Noise Levels
The MSI MAG A750GLS operates with a low average sound level, comparable to a peaceful night, thanks to its advanced cooling solutions. Its 135mm fan is designed for quiet operation, enhancing the overall user experience during intense gaming sessions. On the other hand, the SAMA White boasts an ECO fan with Fluid Dynamic Bearing technology, achieving noise levels as low as 20 dB-A. Both power supplies are designed to minimize noise, but the SAMA holds a slight edge in specifying its noise levels in decibels.
Build Quality and Warranty
The MSI MAG A750GLS features a robust design with an LLC half-bridge and a DC-to-DC converter that ensures reliable output. Additionally, it is backed by a generous 10-year warranty, which speaks to its durability and the manufacturer's confidence in the product. The SAMA White, while also built with high-quality Japanese capacitors, is backed by a 5-year warranty. Although both products are constructed with quality in mind, the MSI's longer warranty period may offer peace of mind for those investing in a high-performance power supply.
User Experience and Aesthetics
The MSI MAG A750GLS showcases a dual-color design that can appeal to gamers looking for aesthetic appeal in their builds. Its compact size of 150mm ensures that it fits comfortably in most PC cases, promoting better airflow and cable management. The SAMA White, with its streamlined white aesthetic, is also visually appealing, especially for builds that emphasize a clean and modern look. Ultimately, the choice between the two may come down to personal preference regarding aesthetics and how they fit into your overall build design.
Which should you buy?
Choosing between the MSI MAG A750GLS and the SAMA White 650W Power Supply ultimately depends on your specific needs and budget. The MSI model offers a higher power output, a longer warranty, and slightly more advanced cooling features, making it ideal for high-performance gaming systems. However, at about 42% less expensive, the SAMA White provides excellent efficiency, modern compatibility, and a fully modular design, making it a great choice for budget-conscious consumers. Consider your power requirements and aesthetic preferences to determine which power supply better suits your setup.