MSI MPG A850GS PCIE5, Fully Modular Gaming 850W Power Supply, 80+ Gold, Dual 12V-2x6 Cables, Server-Grade Capacitor, ATX 3.1 & PCIe 5.1 Ready, Low-Noise, Semi Digital, 10 Year Warranty
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AI Verdict
This 850W, 80+ Gold, ATX 3.1 & PCIe 5.1 power supply with dual 12V-2x6 cables is for users building a modern gaming PC who can tolerate potential coil whine.
This 850W 80+ Gold PSU with ATX 3.1 and PCIe 5.1 readiness is a strong contender for modern gaming rigs needing current power standards and a 10-year warranty. However, the recurring user complaints about coil whine make it a situational fit, as noise sensitivity will heavily influence satisfaction.
If silent operation is critical, look for PSUs with a Cybenetics A- or A+ noise certification that also have a strong track record of user feedback regarding actual noise levels, especially at low loads.
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Pros
- Comes with dual native 12V-2x6 connectors, supporting current and upcoming high-power GPUs like the RTX 50 series.
- Features 100% all Japanese 105°C capacitors, indicating enhanced durability and stable power delivery.
- Offers a 10-year warranty, providing extended coverage for component failure.
- Fully modular design allows for cleaner cable management and easier installation.
- 80 Plus Gold certification ensures high power efficiency, converting at least 87% of AC power to DC power at 100% load.
- Includes industrial-level protections like OVP, OCP, OPP, OTP, SCP, and UVP for component safety.
Cons
- Numerous users report noticeable coil whine, even at idle, which can be audible over other system components.
- Some users found the cables were not sleeved or lacked additional protection, despite being 'Embossed Jacket Cables'.
- Despite a 'low-noise' claim and Cybenetics A++ certification, the coil whine issue directly contradicts silent operation expectations.
Dimension Scores
The 80 Plus Gold certification means it converts at least 87% of AC power to DC power at 100% load, and it provides a stable 850W output with ATX 3.1 and PCIe 5.1 compliance.
Despite a 'low-noise' claim and Cybenetics A++ certification, numerous user reports of significant coil whine, even at idle, make it a noisy component for many.
It incorporates 100% all Japanese 105°C capacitors and industrial-level protections (OVP, OCP, OPP, OTP, SCP, UVP), indicating a focus on component longevity and safety.
The fully modular design allows for selective cable use, improving airflow and reducing clutter, and it includes dual 12V-2x6 cables for modern GPUs.
Best For
- Gaming PCs with a single high-end GPU requiring 850W and PCIe 5.1 power delivery.
- Builders prioritizing a 10-year warranty and modern power standards.
- Systems where the PC case provides significant noise dampening or is not in a quiet environment.
Not Recommended For
- Silent PC builds or users sensitive to high-pitched electronic noises.
- Budget-conscious builds, as the price point might not justify the coil whine risk.
- Small form factor cases where cable routing might be challenging without fully sleeved cables.
Watch Out For
- A significant number of users report coil whine, with some describing it as 'insane' and 'awful high pitched' and present even at idle.
- Some buyers received multiple units that exhibited the same coil whine issue, suggesting it might be a widespread characteristic rather than isolated defects.
- The 'zero fan mode' feature, intended for quiet operation at low loads, is undermined by the reported coil whine during these periods.
Full Specifications
| ASIN | B0DT2V39K4 |
| Brand | msi |
| Color | Black |
| Series | MSI MPG A850GS PCIE 5.1 ATX 3.1 |
| Wattage | 850 watts |
| Fan Count | 1 |
| Model Name | MSI MPG A850GS PCIE 5.1 ATX 3.1 |
| Form Factor | ATX |
| Item Weight | 6.89 pounds |
| Manufacturer | MSI |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 850.0 |
| Item model number | MPG A850GS PCIE5 |
| Compatible Devices | Computer |
| Product Dimensions | 11.5 x 9.5 x 5.4 inches |
| Item Dimensions LxWxH | 11.5 x 9.5 x 5.4 inches |
| Item dimensions L x W x H | 11.5 x 9.5 x 5.4 inches |
What Buyers Say
The most surprising and consistent feedback for the MSI MPG A850GS PCIE5 is the prevalence of coil whine, with many users reporting a high-pitched noise even when the system is idle. This issue often overshadows its modern features like ATX 3.1 and PCIe 5.1 readiness and the inclusion of dual 12V-2x6 cables. While some users find it quiet, a significant portion experiences audible coil whine, leading to returns and exchanges. The 10-year warranty and Japanese capacitors are frequently mentioned as positive aspects, but the noise remains a divisive point.
“Man, this PSU has everything I needed for my new RTX 5080 build, the 12V-2x6 cables are perfect, but the coil whine is driving me absolutely nuts, it's like a tiny mosquito buzzing in my ear even when I'm just browsing, seriously considering returning it.”
Common Praise
- Includes native 12V-2x6 cables, making it ready for high-power GPUs.
- The fully modular design simplifies cable routing and reduces case clutter.
- Backed by a 10-year warranty, offering long-term peace of mind.
- Utilizes 100% Japanese 105°C capacitors for enhanced reliability.
- 80 Plus Gold efficiency rating helps reduce power consumption and heat.
Common Complaints
- Frequent and noticeable coil whine, even when the PC is not under load.
- Some users received multiple units with the same coil whine problem.
- Cables are not individually sleeved or protected, which some users found less premium.
- The coil whine can be loud enough to be heard over other system components or across a room.
Ownership Tips
- The coil whine often becomes apparent after a few days of use, not necessarily right out of the box.
- Some users report the coil whine persists across different system configurations and power outlets, suggesting it's inherent to the unit.
- The 'zero fan mode' is often negated by the coil whine, as the high-pitched noise is present even when the fan isn't spinning.
- The yellow end on the 12V-2x6 cable is a useful visual cue to ensure it's fully seated into the GPU.
Frequently Asked Questions
Does this power supply support the latest graphics cards?
Yes, it is ATX 3.1 and PCIe 5.1 ready and includes dual native 12V-2x6 cables, making it compatible with current and upcoming high-power GPUs like the NVIDIA RTX 50 series.
Is the MSI MPG A850GS PCIE5 quiet?
The PSU features a zero fan mode for quiet operation at low loads and is Cybenetics A++ certified for low sound levels. However, many users report noticeable coil whine, which can be an audible high-pitched noise.
What kind of capacitors does this power supply use?
It uses 100% all Japanese 105°C capacitors, which are known for their durability and ability to perform reliably under high temperatures.
Is the power supply fully modular?
Yes, the MSI MPG A850GS PCIE5 is a fully modular power supply, allowing you to connect only the cables your system needs for better airflow and cable management.
What is the warranty period for this power supply?
MSI provides a 10-year warranty for the MPG A850GS PCIE5, covering potential defects and ensuring long-term support.
Buying Guide
When you're looking at power supplies, you need to think about how much juice your PC needs and how efficiently it uses that power. Wattage is about how much total power it can deliver, while efficiency ratings like 80 Plus Gold tell you how much of that power actually gets to your components versus being wasted as heat. Modularity is also a big deal for keeping your case tidy and improving airflow, as you only plug in the cables you actually need.
Wattage (850W)
This number tells you the maximum power your PSU can supply. Think of it like the horsepower of a car; an 850W PSU is enough for most high-end gaming PCs with a powerful CPU and a single, modern graphics card, ensuring all components get enough power to run stably.
80 Plus Gold
This is an efficiency rating. Imagine filling a bucket with water, but some spills out. An 80 Plus Gold PSU spills less, meaning it converts at least 87% of the power it draws from the wall into usable power for your PC, saving you a bit on your electricity bill and generating less heat inside your case.
Fully Modular
This means you can detach every single cable from the power supply. It's like having LEGO bricks for your cables; you only connect the ones you need, making your PC build much cleaner, improving airflow, and making future upgrades or troubleshooting easier.
ATX 3.1 & PCIe 5.1 Ready
These are the latest industry standards for power supplies, especially important for modern, power-hungry graphics cards. It ensures your PSU can handle the transient power spikes of new GPUs and comes with the necessary 12V-2x6 connectors, so you don't need clunky adapters.
Alternatives
If this PSU doesn't fit, look for an 80 Plus Platinum or Titanium rated unit for higher efficiency, or a model with a proven track record for silent operation if noise is a concern, ensuring it still meets ATX 3.1 and PCIe 5.1 standards for future compatibility.
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