6 Best Alternatives to the Msi MPG 850W Gold ATX (2026)
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The MSI MPG A850G PCIE5 is a compact 850W power supply that supports ATX 3.1 and PCIe 5.1 standards. If you are looking for msi mpg a850g pcie5 alternatives, you might want different dimensions or a different brand. This unit measures 5.91 by 3.39 by 5.91 inches and includes a native 12V-2x6 connector. It offers 80 Plus Gold efficiency and fully modular cabling.
You may need more space for standard ATX cases or prefer a different wattage. Some builders prioritize quiet operation or specific color schemes. The alternatives listed here share key specifications with the original, such as 80 Plus Gold certification and ATX 3.1 compliance. They also include the modern 12V-2x6 connector for new GPUs. This list covers options that fit various case sizes and budget levels while maintaining reliable power delivery for gaming systems.
Our top pick: MSI MPG 850W Gold ATX 3.1 Power Supply.
Comparing these alternatives to the MSI MPG A850G
MSI MAG A750GL PCIE5 750W Power Supply
The MSI MAG A750GL offers 750W instead of 850W. It shares the 80 Plus Gold efficiency and ATX 3.1 standard with the original. However, it uses a larger 9 by 12 inch form factor compared to the compact 5.91 inch width of the MPG A850G. You get the same 12V-2x6 connector and 10-year warranty. This model suits mid-range builds where raw wattage is not the priority. The larger size may fit standard cases better than the compact unit. Choose this if you need modern PCIe 5.1 support without the bulk of higher wattage options.
MSI MPG 850W Gold ATX 3.1 Modular PSU
The MSI MPG A850GS matches the 850W output and 80 Plus Gold rating of the original. It also features ATX 3.1 and PCIe 5.1 support with a 12V-2x6 connector. The main difference is size. This unit measures 9.5 by 11.5 inches, which is significantly larger than the compact 5.91 by 5.91 inch footprint of the MPG A850G. You trade minimal size for a potentially more affordable price point. The warranty remains at 10 years. Pick this alternative if you prioritize efficiency and modern connectivity over fitting into a small form factor case.
MSI MAG 850W Fully Modular Power Supply
The MSI MAG A850GLS provides 850W of power with 80 Plus Gold efficiency. It matches the ATX 3.1 standard and PCIe 5.1 connector of the original. The dimensions are 9.25 by 11.5 inches, making it larger than the compact MPG A850G. You get the same 10-year warranty and fully modular design. This model fits standard gaming PCs where space is tight but airflow matters. The larger size might offer different thermal characteristics. Choose this if you need reliable 850W power and prefer a standard size over the ultra-compact original.
MSI MAG 850W Fully Modular ATX Power Supply
The MSI MAG A850GL offers 850W with 80 Plus Gold efficiency. It supports ATX 3.1 and includes the 12V-2x6 connector for PCIe 5.1. The dimensions are 8.75 by 12 inches, which is larger than the compact MPG A850G. You retain the 10-year warranty and fully modular design. This unit is suitable for standard gaming builds needing 850W without excessive bulk. The larger form factor may impact case compatibility differently than the original. Select this alternative if you want proven efficiency and modern connectivity in a standard ATX size.
ASRock PG-850G 850W PSU
The ASRock PG-850G matches the 850W output and 80 Plus Gold efficiency of the original. It shares the ATX 3.1 standard and PCIe 5.1 connector. The dimensions are identical to the MSI MPG A850G at 5.91 by 3.39 by 5.91 inches. This makes it a direct size alternative from a different brand. The weight is slightly higher at 7.8 pounds compared to 7.15 pounds. You get full modularity and modern connectivity. Choose this if you want the same compact footprint but prefer an ASRock unit for your build.
Auotac 850W ATX 3.1 Fully Modular PSU
The Auotac 850W PSU provides 850W with 80 Plus Gold efficiency. It supports ATX 3.1 and includes the 12V-2x6 connector. The size is 6 by 6 inches, which is comparable to the original 5.91 inch width. The height is 3.7 inches, slightly taller than the 3.39 inch original. The weight is lighter at 3.2 pounds. This model offers quiet cooling and future-proof connectivity. Pick this if you prioritize quiet operation and modern standards over the specific brand of the original. The compact dimensions make it suitable for similar case constraints.
Quick picks
Our 7 picks
MSI MPG 850W Gold ATX 3.1 Power Supply
Best for: Compact 850W gaming builds
- Wattage
- 850W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
The MSI MPG A850G is an 850W fully modular power supply built for modern gaming rigs. It supports ATX 3.1 and PCIe 5.1 standards, featuring a native 12V-2x6 cable for direct GPU connection. The unit uses 100% Japanese 105°C capacitors for stability and carries an 80 Plus Gold efficiency rating. It fits compact cases with a 5.91-inch width and includes a 10-year warranty for long-term reliability.
Pros
- ATX 3.1 and PCIe 5.1 support
- Native 12V-2x6 cable included
- 100% Japanese 105°C capacitors
- 80 Plus Gold efficiency
- 10-year limited warranty
Cons
- 850W output limits high-end GPU builds
- Heavier at 7.15 pounds
- No software control mentioned
Good fit if
- You need native 12V-2x6 connectivity for new GPUs
- You want a compact 5.91-inch wide form factor
- You prefer fully modular cable management
Skip if
- You require more than 850W of power
- You need a 1000W or higher unit
- You want a white color variant
Verdict: MSI MPG A850G 850W Gold ATX 3.1 suits gamers who need reliable 850W power with modern PCIe 5.1 support. It is ideal for compact builds requiring a native 12V-2x6 cable and long-term durability.
MSI MAG A750GL PCIE5 750W Power Supply
Best for: Efficient mid-range gaming builds
- Wattage
- 750W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
The MSI MAG A750GL PCIE5 is a fully modular 750W power supply with 80 PLUS Gold efficiency. It supports ATX 3.1 and PCIe 5.1 standards via a 12V-2x6 connector. This unit measures 12 x 9 x 5 inches and weighs 6.61 pounds. It suits gamers who need reliable power for modern GPUs but prefer a compact form factor over higher wattage options.
Pros
- 80 PLUS Gold efficiency rating
- Fully modular cable design
- Supports ATX 3.1 and PCIe 5.1
- Includes 10-year limited warranty
Cons
- 750W output is lower than the 850W alternatives on this list
- Heavier build at 6.61 pounds
- Standard ATX size may not fit smaller cases
Good fit if
- You need PCIe 5.1 support for new graphics cards
- You want Gold efficiency for better power savings
- You prefer a fully modular cable setup
Skip if
- You require more than 750W of power
- You are building in a very small form factor case
- You need ATX 3.0 compatibility only
Verdict: The MSI MAG A750GL PCIE5 750W fits users who prioritize efficiency and modern connector standards over raw wattage. It is a solid choice for mid-range gaming builds that do not demand 850W or more.
MSI MPG 850W Gold ATX 3.1 Modular PSU
Best for: modern gaming PCs needing PCIe 5.1 support
- Wattage
- 850W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
The MSI MPG A850GS PCIE5 is a fully modular 850W power supply built for modern gaming rigs. It carries an 80 Plus Gold efficiency rating and supports ATX 3.1 standards with native 12V-2x6 connectors. The unit uses server-grade capacitors and includes comprehensive industrial-level protections. You should consider this model if you need reliable power delivery for high-end graphics cards without excess bulk.
Pros
- 80 Plus Gold efficiency certification
- ATX 3.1 compliance with 12V-2x6 connectors
- 100% Japanese 105°C capacitors
- 10-year warranty coverage
- Industrial-level protection suite
Cons
- Larger physical dimensions than compact alternatives
- Heavier build at 6.83 pounds
- No software control or monitoring features listed
Good fit if
- You need native support for PCIe 5.1 GPUs
- You prefer a fully modular cable setup
- You want a 10-year warranty for long-term use
Skip if
- You require a compact form factor for small cases
- You need RGB lighting or software customization
- You are building a low-power office system
Verdict: MSI MPG A850GS 850W ATX 3.1 is a solid choice for gamers who prioritize efficiency and modern connector standards over minimal size. It fits users who want a reliable, fully modular unit with a long warranty.
MSI MAG 850W Fully Modular Power Supply
Best for: Standard gaming PCs needing reliable 850W power
- Wattage
- 850W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 135 mm
The MSI MAG A850GLS is a fully modular 850W power supply with 80 PLUS Gold efficiency. It supports ATX 3.1 and PCIe 5.1 standards with a 12V-2x6 connector. The unit features a 135 mm fan and a 10-year warranty. Its compact 11.5-inch length fits most cases. You should choose this if you need reliable high-wattage power for gaming hardware.
Pros
- 80 PLUS Gold efficiency rating up to 90%
- 10-year warranty coverage
- Compact 11.5-inch length for better airflow
- 135 mm fluid-dynamic bearing fan for low noise
- Supports ATX 3.1 and PCIe 5.1 standards
Cons
- Heavier at 6.75 pounds than some competitors
- No mention of cable length or included accessories
- Standard ATX form factor limits extreme small builds
Good fit if
- You need a reliable 850W source for high-end GPUs
- You want a compact unit that fits in smaller cases
- You prefer a long warranty period for peace of mind
Skip if
- You require a higher wattage like 1000W
- You are building a very small form factor PC
- You need a fully silent zero-RPM fan mode
Verdict: MSI MAG A850GLS 850W Gold PSU offers solid efficiency and a long warranty for gamers. It fits well in standard cases where space is tight but airflow matters.
MSI MAG 850W Fully Modular ATX Power Supply
Best for: Standard gaming builds needing 850W
- Wattage
- 850W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
The MSI MAG A850GL is a fully modular 850W power supply with 80+ Gold efficiency. It supports ATX 3.1 and PCIe 5.1 standards via a 12V-2x6 connector. This unit measures 12 x 8.75 x 4.92 inches. It includes a 10-year warranty. You should consider this for gaming builds that need reliable power delivery and modern connector standards.
Pros
- 80+ Gold efficiency rating
- 10-year warranty coverage
- Fully modular cable design
- ATX 3.1 and PCIe 5.1 ready
- 12V-2x6 connector included
Cons
- 850W output is lower than 1000W or 1300W alternatives on this list
- 12-inch length may not fit smaller cases
- No software control or monitoring features listed
Good fit if
- You need a reliable 850W unit with a long warranty
- You are building a mid-range gaming PC
- You want ATX 3.1 and PCIe 5.1 compatibility
Skip if
- You require more than 850W of power
- You have a very small form factor case
- You want software control or monitoring features
Verdict: MSI MAG A850GL 850W Gold PSU provides solid efficiency and a long warranty for standard gaming builds. It fits users who need 850W without the bulk of higher-wattage models.
ASRock PG-850G 850W PSU
Best for: Modern high-end gaming PCs with PCIe 5.1 GPUs
- Wattage
- 850W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Full Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 135 mm
The ASRock PG-850G is an 850W fully modular power supply built for modern gaming rigs. It carries 80 PLUS Gold certification and meets ATX 3.1 and PCIe 5.1 standards. The unit includes a native 12V-2x6 connector for next-generation graphics cards. It uses Japanese capacitors and a 135mm FDB fan for stable, quiet operation. This PSU suits builders who want high efficiency and reliable power delivery for high-end components.
Pros
- 80 PLUS Gold and Cybenetics Platinum efficiency ratings
- ATX 3.1 and PCIe 5.1 compliance
- Native 12V-2x6 connector with TempGuard technology
- Fully modular cable design for clean builds
- 135mm striped axial FDB fan with intelligent control
Cons
- Heavier at 7.8 pounds compared to lighter competitors
- Standard 3.39-inch height limits fit in small cases
- Dual operation mode adds complexity for simple setups
Good fit if
- You need native support for PCIe 5.1 GPUs
- You prioritize high efficiency and quiet operation
- You want a fully modular design for cable management
Skip if
- You require a compact SFX or small form factor size
- You need a lighter power supply for portable builds
- You prefer a single simple operation mode without boost settings
Verdict: ASRock PG-850G 850W Gold PSU delivers robust power for high-end gaming systems with modern connectivity. It fits builders who value efficiency and clean cable management in standard ATX cases.
Auotac 850W ATX 3.1 Fully Modular PSU
Best for: ATX 3.1 systems needing quiet 140mm cooling
- Wattage
- 850W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 140mm
The Auotac 850W is a fully modular power supply with 80 Plus Gold efficiency. It supports ATX 3.1 and PCIe 5.1 standards for modern components. The unit includes a native dual-color 12V-2x6 cable for easy GPU connection. A 140mm fan provides quiet operation. It features a 10-year limited warranty and includes a tool kit for installation.
Pros
- 80 Plus Gold certification for 92% efficiency
- ATX 3.1 and PCIe 5.1 compliance
- Native dual-color 12V-2x6 connector
- 140mm fan for low noise
- 10-year limited warranty
Cons
- Larger 6-inch depth compared to compact alternatives
- Heavier build at 3.2 pounds
- ARGB lighting may not suit all aesthetics
Good fit if
- You need ATX 3.1 and PCIe 5.1 support
- You prefer a 140mm fan for quieter operation
- You want a 10-year warranty for long-term use
Skip if
- You require a compact 5.25-inch depth for small cases
- You need RGB fan control via software
- You prefer a lighter power supply under 3 pounds
Verdict: Auotac 850W Gold ATX 3.1 PSU offers solid modern connectivity and efficiency. It fits builders prioritizing future-proof PCIe 5.1 support and quiet cooling over compact dimensions.
Specifications side by side
| Spec | MSI MPG 850W Gold ATX 3.1 Power Supply | MSI MAG A750GL PCIE5 750W Power Supply | MSI MPG 850W Gold ATX 3.1 Modular PSU | MSI MAG 850W Fully Modular Power Supply | MSI MAG 850W Fully Modular ATX Power Supply | ASRock PG-850G 850W PSU | Auotac 850W ATX 3.1 Fully Modular PSU |
|---|---|---|---|---|---|---|---|
| Wattage | 850W | 750W | 850W | 850W | 850W | 850W | 850W |
| Efficiency Rating | 80+ Gold | 80 PLUS Gold | 80+ Gold | 80 PLUS Gold | 80+ Gold | 80 PLUS Gold | 80 PLUS Gold |
| Modularity | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Full Modular | Fully Modular |
| ATX Version | ATX 3.1 | ATX 3.1 | ATX 3.1 | ATX 3.1 | ATX 3.1 | ATX 3.1 | ATX 3.1 |
| PCIe Connector Type | 12V-2x6 | 12V-2x6 | 12V-2x6 | 12V-2x6 | 12V-2x6 | 12V-2x6 | 12V-2x6 |
| Fan Size | not specified | not specified | not specified | 135 mm | not specified | 135 mm | 140mm |
| Warranty | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year | 10 Years | 10-Year |
| Form Factor | ATX | ATX | ATX | ATX | ATX | not specified | ATX |
| PCIe Version | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 |
| Recommended Use | Gaming | Gaming | Gaming | Gaming | Gaming | Gaming | not specified |
| Connector | 12V-2x6 Connector | 12V-2x6 Connector | 12V-2x6 Connector | 12V-2x6 Connector | 12V-2x6 Connector | 12V-2x6 Connector | 12V-2x6 Connector |
| Size | 850W | 750W (PCIE 5) | 850W | 850 W | 850W (PCIE 5) | 850W | 850W |
| Dimensions | 5.91 × 5.91 × 3.39 inches | 12 × 9 × 5 inches | 11.5 × 9.5 × 5.4 inches | 11.5 × 9.25 × 5.08 inches | 12 × 8.75 × 4.92 inches | 5.91 × 5.91 × 3.39 inches | 6 × 6 × 3.7 inches |
| Weight | 7.15 pounds | 6.61 pounds | 6.83 pounds | 6.75 pounds | not specified | 7.8 pounds | 3.2 pounds |
| Model | MPG A850G PCIE 5 | 306-7ZP8B11-CE0 | MPG A850GS PCIE5 | MAG A850GLS PCIE5 | not specified | 90-UXP085-GFUAAB | not specified |
| Color | not specified | Black | Black | not specified | not specified | not specified | White |
If you require a display alongside your power supply, consider msi mpg 491cqpx qd OLED 49 inch alternatives.
Frequently asked questions
Which alternative is best for compact builds?
The MSI MPG 850W Gold ATX 3.1 remains the top choice for small form factor cases. It measures just 5.91 by 3.39 by 5.91 inches. This compact size allows it to fit into tight spaces where larger units will not. It also includes a 12V-2x6 connector for modern GPUs.
Are there 750W options available?
Yes, the MSI MAG A750GL PCIE5 provides 750W of power. It maintains the 80 Plus Gold efficiency rating and ATX 3.1 standard found in higher-wattage models. However, it is physically larger, measuring 9 by 5 by 12 inches. This makes it less suitable for very small cases.
Do these units support PCIe 5.1?
All listed alternatives support the PCIe 5.1 standard. Each unit includes a native 12V-2x6 connector, which is required for the latest graphics cards. This ensures you can power high-end GPUs without using adapter cables. The ATX 3.1 standard also helps manage power spikes effectively.
Is the ASRock PG-850G a good compact option?
The ASRock PG-850G matches the compact dimensions of the original MSI MPG. It measures 5.91 by 3.39 by 5.91 inches, making it ideal for small builds. It offers 850W of power and includes the necessary 12V-2x6 connector for modern gaming systems.
Which model offers the best value for budget builds?
The MSI MPG 850W Gold ATX 3.1 Modular PSU is positioned as the best budget option. It provides 850W of power with full modularity and a 12V-2x6 connector. While it is larger at 9.5 by 5.4 by 11.5 inches, it delivers reliable performance for standard gaming PCs.
Can I find a white power supply?
The Auotac 850W ATX 3.1 Fully Modular PSU comes in a white color. It features a 140mm fan for quiet operation and supports PCIe 5.1. However, it is heavier than some competitors at 3.2 pounds, despite its compact 6 by 3.7 by 6 inch size.