
MSI MAG A850GL PCIE5, Fully Modular Compact Gaming 850W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, 10 Year Warranty
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AI Verdict
This 850W 80+ Gold fully modular ATX 3.1 PSU with a 10-year warranty is for PC builders needing PCIe 5.1 power.
This 850W 80+ Gold PSU is a strong contender for mid-to-high-end gaming systems due to its ATX 3.1 and PCIe 5.1 readiness, offering current and future GPU compatibility. However, recurring user complaints about noise and early failures make it a situational choice, depending on individual tolerance for potential issues.
If this unit's potential noise or reliability concerns are a dealbreaker, look for PSUs with higher PSU tier list ratings (e.g., A-tier) and confirmed low noise profiles under load.
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Pros
- Delivers 850 watts of power, suitable for demanding systems.
- Features 80 Plus Gold certification for energy efficiency.
- Includes ATX 3.1 and PCIe 5.1 readiness with a native 12V-2x6 cable for modern GPUs.
- Offers a fully modular design for simplified cable management.
- Backed by a 10-year limited warranty, indicating manufacturer confidence in longevity.
- Many users report quiet operation even under heavy loads.
Cons
- Some users report coil whine under heavy load.
- A few units have exhibited loud fan noise at idle or a persistent 'whooshing noise'.
- Reports of early unit failures, with some dying shortly after initial boot.
- Component selection includes some cost-cutting measures, such as specific capacitors and a smaller 120mm fan, compared to higher-tier PSUs.
- Some users experienced voltage spikes and instability with their units.
Dimension Scores
The 850W output combined with 80 Plus Gold certification and ATX 3.1 compliance indicates high efficiency and stable power delivery.
While many users report quiet operation, a notable number of complaints about coil whine under load and loud idle fan noise prevent a higher score.
The 10-year warranty and general user perception of a 'well-built' unit are strong, but reports of component cost-cutting and early failures temper the score.
Its fully modular design and included flat, durable cables make cable routing and management straightforward and clean.
Best For
- Gaming PCs with high-end GPUs requiring PCIe 5.1 power connectors.
- PC builders prioritizing future-proofing with ATX 3.1 and PCIe 5.1 standards.
- Systems where a 10-year warranty provides peace of mind for long-term use.
- Users who value a fully modular design for a clean internal build.
Not Recommended For
- Budget builds that do not require 850W or PCIe 5.1 connectivity.
- Users extremely sensitive to potential coil whine or fan noise under specific conditions.
- Systems where absolute top-tier component quality and silent operation are non-negotiable.
Watch Out For
- One user reported their unit 'died after 10s of booting to windows'.
- Multiple users experienced units with 'very loud' fan noise at idle or a 'constant whooshing noise' comparable to a GPU running at 1350 RPM.
- Some units have been reported to exhibit coil whine when under heavy load.
- A user noted voltage spikes and instability, with readings jumping from '30, 100, 211 de un tirón'.
- One user had '2 850's fail in less than 2 months'.
Full Specifications
| ASIN | B0CB9MSJ5N |
| Brand | msi |
| Series | a850gl |
| Voltage | 110 Volts, 220 Volts |
| Wattage | 850 watts |
| Model Name | a850gl |
| Form Factor | ATX |
| Item Weight | 6.23 pounds |
| Manufacturer | MSI |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 850.0 |
| Item model number | MPG A850GL |
| Compatible Devices | Personal Computer |
| Product Dimensions | 12 x 8.75 x 4.92 inches |
| Item Dimensions LxWxH | 12 x 8.75 x 4.92 inches |
| Item dimensions L x W x H | 12 x 8.75 x 4.92 inches |
What Buyers Say
The most surprising finding is the split user experience regarding noise; while many report quiet operation, a significant number mention coil whine under load or loud fan noise at idle. Users consistently praise the fully modular design for making cable management easy and clean. The native PCIe 5.1 cable is a frequently cited advantage for current and future GPU compatibility. However, there are concerning reports of units failing prematurely or exhibiting voltage instability.
“Man, I really wanted to love this thing for my new build, the modular cables made it so clean, but this coil whine is driving me absolutely nuts when I'm gaming, it's like a tiny mosquito in my PC!”
Common Praise
- Fully modular design simplifies cable routing and reduces clutter.
- Native 12V-2x6 cable eliminates the need for adapters for modern GPUs.
- Provides stable and consistent power delivery even under heavy loads.
- 80 Plus Gold certification contributes to energy efficiency.
- Included cables are durable and well-finished, with flat designs for easier routing.
- Many users experience quiet operation, even when the system is under stress.
Common Complaints
- Some units produce coil whine when the system is under heavy load.
- A few users reported their unit's fan being 'very loud at idle' or making a 'constant whooshing noise'.
- Several instances of units failing shortly after installation or within a few months of use.
- One user noted voltage spikes and instability, with readings fluctuating significantly.
- The 'GL' series uses some cost-cutting components like specific capacitors and a smaller 120mm fan compared to higher-end MSI models.
Ownership Tips
- The dual-color 12V-2x6 connector often has a yellow indicator to ensure it's fully seated, which is a helpful visual cue.
- Despite being fully modular, the stiffness of some cables can still make tight bends challenging in smaller cases.
- The 'compact size' is a subtle advantage for cases with limited PSU clearance, but it's still a standard ATX form factor.
- Some users noted that the fan profile can be inconsistent, with some units spinning up audibly at lower loads than expected, while others remain silent.
- The 10-year warranty is a big plus if you hit one of the units with early failure, but dealing with an RMA is still a hassle.
Frequently Asked Questions
Does this PSU come with the new 12V-2x6 cable?
Yes, it includes a native dual-color 12V-2x6 cable, making it ready for modern PCIe 5.1 GPUs without needing adapters.
Is this power supply quiet during operation?
Many users report quiet operation even under heavy gaming loads. However, some units have been noted for coil whine under heavy load or loud fan noise at idle.
Is this PSU fully modular for cable management?
Yes, it features a fully modular design, which allows you to connect only the cables your system needs, simplifying cable management and improving airflow.
What is the warranty period for this power supply?
MSI provides a 10-year limited warranty for this power supply, covering long-term reliable operation.
Is this PSU compatible with ATX 3.0 or ATX 3.1?
The PSU is ATX 3.1 and PCIe 5.1 ready, supporting the latest power standards for PC components.
Buying Guide
When you're picking a power supply, you're not just getting a box that delivers electricity; you're getting the heart of your PC. You need enough wattage for all your components, especially your graphics card, and you want it to be efficient so it doesn't waste power as heat. Modularity helps keep your build tidy, and a good warranty means the manufacturer stands behind their product.
wattage (850W)
This number tells you the maximum power your PSU can deliver. Think of it like the horsepower of a car; you need enough to move your vehicle (PC components) efficiently, especially if you have a powerful graphics card and processor. 850W is plenty for most high-end gaming setups.
80+ Gold certification
This is an efficiency rating. An 80+ Gold PSU means it converts at least 87% of the power from your wall into usable PC power at various loads, wasting less as heat. It's like getting better gas mileage; it saves you a little on your electricity bill and keeps your PC cooler.
Fully Modular
This means you only plug in the cables you actually need for your components. Imagine building with LEGOs and only using the specific pieces required, rather than having a bunch of extra, unused pieces cluttering up your build. It makes your PC look cleaner and improves airflow.
ATX 3.1 & PCIe 5.1 Ready
These are the latest standards for power supplies, especially important for new, power-hungry graphics cards. It ensures your PSU can handle the quick power spikes (transients) these cards can demand and comes with the correct, robust 12V-2x6 connector, so you don't need clunky adapters.
Alternatives
If this PSU's potential noise or reliability issues concern you, look for 850W 80+ Gold PSUs from manufacturers known for their quiet operation and higher-tier component quality, often found in A-tier on PSU ranking lists.



