MSI MAG A850GN PCIE5 vs ESGAMING SFX 500W / Mini ITX/Micro ATX
Updated August 2026 — The MSI MAG A850GN PCIE5 is the superior choice for high-performance builds, while the ESGAMING SFX 500W is a budget-friendly option for smaller systems.
The MSI MAG A850GN PCIE5 is the superior choice for high-performance builds, while the ESGAMING SFX 500W is a budget-friendly option for smaller systems.
Why MSI MAG A850GN PCIE5 is better
Higher wattage
MSI offers 850W compared to ESGAMING's 500W.
Efficiency rating
MSI has an 80 Plus Gold certification.
Warranty
MSI provides a 5-year warranty.
Why ESGAMING SFX 500W / Mini ITX/Micro ATX is better
Lower price
ESGAMING costs C$54.99.
Compact size
ESGAMING is designed for Mini ITX and Micro ATX.
Versatile connectors
ESGAMING has a variety of connectors for basic setups.
Overall score
Specifications
| Spec | MSI MAG A850GN PCIE5 | ESGAMING SFX 500W / Mini ITX/Micro ATX |
|---|---|---|
| Brand | MSI | ESGAMING |
| Form Factor | ATX | SFX |
| Active PFC | Yes | Yes |
| Protection | Extensive | Heavy-duty |
| PCIe Support | PCIe 5.1 | Standard |
Dimension comparison
Price Comparison
When it comes to price, the ESGAMING SFX 500W is significantly more budget-friendly than the MSI MAG A850GN PCIE5. The MSI power supply retails for C$99.99, while the ESGAMING model is priced at only C$54.99. This is a difference of C$45, making the ESGAMING option an attractive choice for those on a tighter budget. For users looking for basic functionality without breaking the bank, the ESGAMING SFX 500W provides a compelling entry point into the world of power supplies.
Power Output
The MSI MAG A850GN PCIE5 offers a robust power output of 850W, which is ideal for high-performance builds, especially those utilizing NVIDIA GeForce RTX 40 and 50 Series graphics cards. In contrast, the ESGAMING SFX 500W delivers 500W, which is sufficient for entry-level or mid-range systems. The substantial difference in wattage means that the MSI power supply is better suited for demanding gaming rigs, while the ESGAMING option is tailored for smaller setups or less power-hungry components.
Efficiency Ratings
Efficiency is a crucial factor when choosing a power supply, and the MSI MAG A850GN PCIE5 boasts an 80 Plus Gold certification. This certification indicates that the power supply operates at high efficiency, reducing energy waste and lowering electricity bills. The ESGAMING SFX 500W also features Active PFC design, which contributes to better efficiency than traditional power supplies, but it does not carry an official efficiency rating. The MSI’s 80 Plus Gold rating positions it as a superior choice for users prioritizing energy efficiency.
Protection Features
Both power supplies come equipped with multiple protection features to safeguard your components. The MSI MAG A850GN PCIE5 includes industrial-level protection mechanisms such as Over Voltage Protection (OVP), Over Current Protection (OCP), Over Power Protection (OPP), Over Temperature Protection (OTP), and Short Circuit Protection (SCP). On the other hand, the ESGAMING SFX 500W also provides a range of heavy-duty protections, including Short-Circuit, Over-Current, Over-Voltage, Over-Power, Under-Voltage, and Over-Temperature protections. While both units prioritize safety, the MSI’s extensive protection suite offers an extra layer of reliability for high-performance builds.
Connector Compatibility
Connector options can greatly influence the compatibility of a power supply with various components. The MSI MAG A850GN PCIE5 is designed with a native PCIe 5.1 connector and supports a wide range of graphics cards, making it an excellent choice for modern gaming setups. In contrast, the ESGAMING SFX 500W features a versatile array of connectors, including 1 x 24pin Main Power, 1 x 4+4pin CPU 12V, and 2 x PCI 6+2pin. While the ESGAMING model provides ample connectors for basic setups, the MSI’s advanced compatibility with the latest PCIe standards may appeal more to enthusiasts looking to future-proof their systems.
Form Factor and Size
The form factor of a power supply is essential for compatibility with cases and component layouts. The ESGAMING SFX 500W is compact and designed for Mini ITX and Micro ATX builds, making it a great choice for smaller cases. The MSI MAG A850GN PCIE5, being a standard ATX power supply, is larger and may not fit in all compact cases. Users with space constraints should consider the size of their build, as the ESGAMING power supply could be the more practical option for smaller setups.
Warranty and Support
Warranty duration can significantly affect long-term satisfaction with a power supply. The MSI MAG A850GN PCIE5 comes with a 5-year warranty, offering peace of mind for users investing in a higher-end product. On the other hand, the ESGAMING SFX 500W does not specify a warranty period, which could be a concern for potential buyers. A longer warranty often indicates manufacturer confidence in product durability, making the MSI option more appealing for users looking for reliability over time.
Which should you buy?
In conclusion, the choice between the MSI MAG A850GN PCIE5 and the ESGAMING SFX 500W comes down to your specific needs and budget. If you require a high-output power supply with superior efficiency, extensive protection features, and compatibility with the latest graphics cards, the MSI MAG A850GN PCIE5 is the clear winner, albeit at a higher price of C$99.99. However, if you are looking for a more affordable option for a smaller build, the ESGAMING SFX 500W at C$54.99 offers great value and essential features for entry-level systems. Ultimately, your decision should align with your performance requirements and budget constraints.
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