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MSI MPG A850G PCIE5, Fully Modular Compact Gaming 850W Power Supply, 80+ Gold, Native 12V-2x6 Cable, 100% Japanese Capacitor, ATX 3.1 & PCIe 5.1 Ready, Low-Noise, 10 Year Warranty
msi

MSI MPG A850G PCIE5, Fully Modular Compact Gaming 850W Power Supply, 80+ Gold, Native 12V-2x6 Cable, 100% Japanese Capacitor, ATX 3.1 & PCIe 5.1 Ready, Low-Noise, 10 Year Warranty

4.6(2.9K+ reviews)
Amazon's Choiceentry plus$100-$149100+ bought in past month
#124 in Computer Power Supplies
rating
80+ Gold
modular
Fully Modular
wattage
850 watts
connector
atx,pcie
compatible
Nvidia Next-Gen Graphics Card
form factor
ATX
cooling method
Air

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Our AI advisor analyzes real-time pricing across all channels to find you the best deal.

AI Verdict

This 850W 80+ Gold, ATX 3.1 & PCIe 5.1 fully modular PSU with a native 12V-2x6 cable and 10-year warranty is for current and next-gen gaming builds.

Strong Fit

The 850W output, ATX 3.1 and PCIe 5.1 readiness with a native 12V-2x6 cable, and 10-year warranty make it well-suited for current and next-generation gaming systems. Its fully modular design and quiet operation further enhance the building and user experience.

If you plan on running an RTX 5090 or similar ultra-high-end GPU, consider a 1000W or 1200W ATX 3.1 PSU for more headroom.

Regret Score™

Very Low Risk

Lower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity

12/100
vs. 1,285 Power & Cooling we've analyzedSafer than 97%
Hidden Defects
7/35

Issues discovered after purchase

Achilles' Heel
0/25

Critically weak dimension

Expectation Gap
1/20

Amazon rating vs actual quality

Fit Risk
4/20

Chance this product isn't for you

BuyChoice Score
4.8

Pros

  • Native 12V-2x6 cable supports up to 600W for Nvidia RTX 40 series GPUs.
  • ATX 3.1 and PCIe 5.1 readiness ensures compatibility with future hardware.
  • Backed by a 10-year limited warranty for long-term reliability.
  • Features 100% Japanese 105° C capacitors for enhanced durability.
  • Fully modular design simplifies cable management and improves airflow.
  • 80 PLUS Gold certification provides high energy efficiency.
  • Operates quietly, often with a zero RPM fan mode at low loads.

Cons

  • Some Reddit users questioned the '100% Japanese capacitor' claim, suggesting Taiwanese capacitors were also used in some units.
  • MSI may require users to pay for shipping for warranty claims.
  • The 850W version was not on some popular PSU tier lists, unlike the 1000W variant.
  • The 12VHPWR cable includes a yellow coloring to indicate improper connection, which some might find visually unappealing.

Dimension Scores

Efficiency & Output8/10

The 850 watts output with 80 PLUS Gold certification provides high efficiency and ample power for most gaming systems.

Noise Level8/10

Users consistently report quiet operation, and the unit features a zero RPM fan mode.

Build Quality9/10

It features 100% Japanese 105° C capacitors and is backed by a 10-year warranty, indicating a focus on long-term reliability.

Cable Management9/10

The fully modular design with flat, black cables makes for easy and clean cable routing.

Best For

  • Gaming PCs with Nvidia RTX 40 Series graphics cards or future PCIe 5.1 GPUs.
  • PC builders prioritizing long-term system stability and reliability.
  • Users who want a clean, organized PC interior with minimal cable clutter.

Not Recommended For

  • Budget builds where 850W is excessive for the components.
  • Users who exclusively rely on top-tier enthusiast PSU lists for purchasing decisions.
  • Extremely high-end systems like an RTX 5090, which might require 1000W or more.

Watch Out For

  • Some Reddit users reported finding Taiwanese capacitors in their units, despite the product description stating '100% Japanese 105° C capacitors'.
  • MSI might require customers to cover shipping costs for warranty claims.
  • The 850W model was noted as not being on the Cultists Network PSU Tier list, unlike its 1000W counterpart.
  • The native 12VHPWR cable features a yellow section designed to indicate if it's not fully seated, which some users might dislike aesthetically.

Full Specifications

ASINB0B4345YV7
Brandmsi
SeriesMPG
Wattage850 watts
Model NameMPG
Form FactorATX
Item Weight7.15 pounds
ManufacturerMSI
Power SourceInformation Not Available
Connector Typeatx,pcie
Cooling MethodAir
Output Wattage850 Watts
Item model numberMPG A850G PCIE 5
Compatible DevicesNvidia Next-Gen Graphics Card
Product Dimensions5.91 x 5.91 x 3.39 inches
Computer Memory TypeDIMM
Item Dimensions LxWxH5.91 x 5.91 x 3.39 inches
Item dimensions L x W x H5.91 x 5.91 x 3.39 inches
Standing screen display size16 Inches
Is Discontinued By ManufacturerNo

What Buyers Say

Many users praise the MSI MPG A850G PCIE5 for its quiet operation, with some noting the zero RPM fan mode keeps things silent during light use. The fully modular design is frequently highlighted for making cable management straightforward, resulting in cleaner builds. Its compatibility with next-gen GPUs via the native 12V-2x6 cable is a significant selling point, ensuring future-proofing for many. The 10-year warranty and use of Japanese capacitors also instill confidence in its long-term reliability.

“Dude, this PSU is so quiet, I thought my PC was off sometimes. And the cables? So easy to deal with, my build actually looks clean for once. Plus, that 12VHPWR cable just plugs right into my 4070 Ti, no ugly adapters needed. Totally worth it for my new gaming rig.”

Common Praise

  • Quiet operation, often with a zero RPM fan mode.
  • Fully modular cables simplify installation and cable routing.
  • Native 12V-2x6 cable works directly with RTX 40 series GPUs.
  • Stable power delivery even under heavy loads.
  • Compact size for easier case integration.
  • Flat, black cables for improved aesthetics and airflow.

Common Complaints

  • Some Reddit users questioned the '100% Japanese capacitor' claim, suggesting Taiwanese capacitors were found in some units.
  • MSI may charge for shipping on warranty claims.
  • The 850W model was not on some popular PSU tier lists.
  • The 12VHPWR cable has a yellow indicator for improper connection, which some might find visually unappealing.

Ownership Tips

  • The zero RPM fan mode genuinely keeps the system silent during web browsing or light tasks.
  • The native 12V-2x6 cable eliminates the need for bulky adapters, improving case aesthetics.
  • The flat cables are easier to bend and route than traditional braided cables.
  • The compact form factor makes installation less cramped in smaller cases.

Frequently Asked Questions

Does this PSU support the latest graphics cards like the RTX 40 series?

Yes, it's PCIe 5.1 ready and includes a native 12V-2x6 cable, supporting up to 600W for Nvidia RTX 40 series GPUs.

Is this power supply quiet?

Many users report quiet operation, with some noting a zero RPM fan mode at low loads.

What kind of warranty does it have?

It comes with a 10-year limited warranty.

Are the cables modular?

Yes, it features a fully modular design, allowing you to use only the cables you need.

What does 80 PLUS Gold certified mean?

It means the power supply operates at a high efficiency level (at least 87% at 20% load, 90% at 50% load, and 87% at 100% load), reducing energy waste and heat.

Buying Guide

When picking a power supply, you're looking for consistent, clean power delivery to all your expensive components. Think about the wattage you need for your CPU and GPU, plus a little extra for future upgrades. Efficiency ratings like 80 PLUS Gold tell you how much power is wasted as heat, so higher is better for your electricity bill and system longevity. Modular cables are a huge win for keeping your PC tidy and improving airflow.

Wattage

This is the total power your PSU can supply, like the horsepower of a car. An 850W PSU can handle most high-end gaming setups, but a 1000W or 1200W unit gives you more room for extreme components or future upgrades.

80 PLUS Gold

This certification means the PSU is at least 87% efficient at 20% and 100% load, and 90% efficient at 50% load. It's like getting better gas mileage for your computer, saving you money on electricity and generating less heat.

ATX 3.1 & PCIe 5.1 Ready

This means the PSU is built to handle the power demands of the newest graphics cards, especially those with the 12V-2x6 power connector. It's like having the latest charging port for your phone – it ensures compatibility and stable power for cutting-edge hardware.

Fully Modular

This refers to the cables. A fully modular PSU lets you detach every cable you don't need, making your PC build much cleaner and improving airflow inside the case, like organizing your closet by only keeping the clothes you actually wear.

Alternatives

If you need more power for an RTX 5090 or similar, look for a 1000W or 1200W ATX 3.1 PSU; if you're on a tighter budget and don't need the latest GPU compatibility, consider a lower wattage 80+ Bronze or Silver rated unit.

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