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MSI - MPG A850GS PCIE5 850W ATX 3.1 &PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply - Black

Model: MPG A850GS PCIE5
SKU: 6629576
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Specifications
  • Wattage
    850 watts
    Modular
    Fully modular
    Energy Efficiency
    80 PLUS Gold, Cybenetics Gold
    ATX Connector
    1x ATX (24 PIN) Cable
    PCIe Connector
    4
    Peripheral Connector
    4
  • Key Specs
    • Wattage: 850 watts (Measurement of electrical power.)
    • Modular: Fully modular
    • Energy Efficiency: 80 PLUS Gold, Cybenetics Gold (Computer and server power supplies with the 80 PLUS certification are tested for operating efficiency at 10, 20, 50, and 100% of rated load. If a product tests at least 80% efficient, it qualifies for the base level 80 PLUS certification. Bronze, Silver, Gold, Platinum, and Titanium level certifications are given to products with even higher efficiency ratings.)
    • ATX Connector: 1x ATX (24 PIN) Cable (The configuration of the connector as it connects a computer power supply unit to an ATX motherboard.)
    • PCIe Connector: 4 (The configuration of the connector as it connects a computer power supply unit to a PCIe (Peripheral Component Interconnect Express) motherboard interface.)
    • Peripheral Connector: 4 (The configuration of the connector as it connects a computer power supply unit to a peripheral component such as a motherboard, video card, lighting, etc.)
    • SATA Connector: 8 (The configuration of the connector as it connects a computer power supply unit to a SATA-based drive.)
    • EPS12V Connector: 2 (The configuration of the connector as it connects a computer power supply unit to a EPS12V motherboard interface.)
    • PCI Express Version: PCI Express 5.0
    • Form Factor: ATX (The size, arrangement, and physical configuration of the product.)
    • Product Length: 150 millimeters (The out of box length of the item. Length is measured as the longest dimension of the item.)
  • General
    • Brand: MSI
    • Model Number: MPG A850GS PCIE5
    • Product Name: MPG A850GS PCIE5 850W ATX 3.1 &PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply
    • Color: Black
  • Power
    • Wattage: 850 watts (Measurement of electrical power.)
    • Modular: Fully modular
    • Energy Efficiency: 80 PLUS Gold, Cybenetics Gold (Computer and server power supplies with the 80 PLUS certification are tested for operating efficiency at 10, 20, 50, and 100% of rated load. If a product tests at least 80% efficient, it qualifies for the base level 80 PLUS certification. Bronze, Silver, Gold, Platinum, and Titanium level certifications are given to products with even higher efficiency ratings.)
    • Specification Compliance: ATX 3.1
    • Overload Protection: true (Features intended to protect the product from damage and overheating caused by overload.)
    • Power Cord Included: true (Connects your product to an electrical outlet, allowing for immediate use (provided that other installation requirements are met).)
  • Connectivity
    • ATX Connector: 1x ATX (24 PIN) Cable (The configuration of the connector as it connects a computer power supply unit to an ATX motherboard.)
    • PCIe Connector: 4 (The configuration of the connector as it connects a computer power supply unit to a PCIe (Peripheral Component Interconnect Express) motherboard interface.)
    • Peripheral Connector: 4 (The configuration of the connector as it connects a computer power supply unit to a peripheral component such as a motherboard, video card, lighting, etc.)
    • SATA Connector: 8 (The configuration of the connector as it connects a computer power supply unit to a SATA-based drive.)
    • EPS12V Connector: 2 (The configuration of the connector as it connects a computer power supply unit to a EPS12V motherboard interface.)
    • PCI Express Version: PCI Express 5.0
    • Form Factor: ATX (The size, arrangement, and physical configuration of the product.)
  • Dimensions
    • Product Height: 86 millimeters (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
    • Product Width: 150 millimeters (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Length: 150 millimeters (The out of box length of the item. Length is measured as the longest dimension of the item.)
    • Product Weight: 108 ounces (The out of box weight of the item.)
  • Cooling
    • Cooling System: Air (A computer's CPU generates heat while operating and requires a cooling system to keep internal components functioning properly. Air cooling uses fans to draw in cool air and exhaust hot air, while liquid cooling uses coolant-filled tubes and water blocks to regulate internal temperature more efficiently.)
    • Cooling Fan Type: Fluid Dynamic Bearing
  • Warranty
    • Warranty - Parts: 10 years
    • Warranty - Labor: 10 years
  • Other
    • UPC: 824142376317

MPG A850GS PCIE5 Featuring ATX 3.1 and PCIe 5.1 support with two 12V-2x6 connectors, these PSUs are built to handle NVIDIA’s 50 series graphics cards and AI PCs with ease. Advanced thermal solutions ensure cool, stable, and efficient operation, even under heavy loads, giving you the reliability and durability you need for gaming, streaming, or AI-powered tasks.

  • ATX 3.1 compatible: It has an output port that is compliant with PCIe 5.0 and Intel PSDG(Power Supply Design Guide) ATX 3.1, also the MPG A850GS PCIE5 power supply can handle up to 2x total power excursion and 3x GPU power excursion.
  • Level up your game: With native 16 PIN PCIe connector the power supply is ready for Nvidia GeForce 50/40 Series graphics cards. It can freely pipe up to 600W of power to PCIe 5.0 graphics cards.
  • 80 Plus gold certified: The efficiency of your power supply directly influences your system's performance and your power consumption.
  • All the more organized: Organizing cables is often the most bothersome part of building a PC. The flat cables make cable management easier and less of headache! Thanks to the flat cables, the entire system can be more organized and has more room for unobstructed airflow.
  • ATX 3.1 compatible: It has an output port that is compliant with PCIe 5.0 and Intel PSDG(Power Supply Design Guide) ATX 3.1, also the MPG A850GS PCIE5 power supply can handle up to 2x total power excursion and 3x GPU power excursion.
  • Level up your game: With native 16 PIN PCIe connector the power supply is ready for Nvidia GeForce 50/40 Series graphics cards. It can freely pipe up to 600W of power to PCIe 5.0 graphics cards.
  • 80 Plus gold certified: The efficiency of your power supply directly influences your system's performance and your power consumption.
  • All the more organized: Organizing cables is often the most bothersome part of building a PC. The flat cables make cable management easier and less of headache! Thanks to the flat cables, the entire system can be more organized and has more room for unobstructed airflow.
Whats Included
  • MPG A850GS PCIE5
  • AC cable
  • DC cable set
  • Mounting screws
  • MPG A850GS PCIE5
  • AC cable
  • DC cable set
  • Mounting screws

Q: Is this power supply fully modular?

A: Yes, this power supply is fully modular.

Q: What is the energy efficiency certification of this power supply?

A: This power supply is 80 Plus Gold certified.

Q: What is the wattage of this power supply?

A: The wattage of this power supply is 850 watts.

Q: How does this power supply handle cable management?

A: This power supply uses flat cables to make cable management easier and less of a headache.

Q: What type of cooling system does this power supply use?

A: This power supply uses an air cooling system with a Fluid Dynamic Bearing fan.

Q: Is this power supply compatible with Nvidia GeForce 50/40 Series graphics cards?

A: Yes, with a native 16 PIN PCIe connector, this power supply is ready for Nvidia GeForce 50/40 Series graphics cards and can provide up to 600W of power.

Q: Does this power supply have overload protection?

A: Yes, this power supply has overload protection.

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Pros for MSI - MPG A850GS PCIE5 850W ATX 3.1 &PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply - Black
Cable Management, Noise Level, Build QualityThere were no pros for this productOverall Performance, Power Capacity, Noise Level, Cable Management, Ease of InstallationOverall Performance, Noise Level, Cable Management, Power Capacity, Modularity

Specs

Reviews

Customers are saying

Customers express satisfaction with the MPG A850GS power supply's build quality, noting its sturdy and premium feel, and the high quality of its cables. Its quiet operation is another frequently praised aspect, with users highlighting its silent performance. The fully modular design also receives positive feedback for simplifying cable management and improving airflow. Overall, the power supply is described as well-built and easy to work with.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

  • Rated 5 out of 5 stars

    Combination of modern compatibility and reliable p

    The is a great power supply that works well and is super easy to set up. I like that it’s quiet and doesn’t get too hot. The cables are neat and easy to manage, which made my build look cleaner. It also works with newer graphics cards, so I won’t have to upgrade it anytime soon. Overall, I’m really happy with it and it feels like a solid choice. The build quality feels sturdy and reliable. I’d definitely recommend it if you’re building or upgrading your PC.

    Posted by TracyL

  • Rated 5 out of 5 stars

    Good Product Worth the money you spend

    I recently installed this power supply in my build, and it’s been a solid upgrade. The embossed cables not only look premium but are also easier to route cleanly, and the included cable organizer really helped keep everything tidy inside the case. It comes with two native PCIe 5.0 (12VHPWR) cables, which is super convenient for high-end GPUs - no need for bulky adapters. What really stands out is how silent it runs; during normal use and even while gaming, the fan rarely kicks in, and when it does, it’s whisper-quiet. It feels well-built, runs cool, and gives me peace of mind with its stable power and 10-year warranty

    Posted by CynthiaK

  • Rated 5 out of 5 stars

    Great Quality

    Worked exactly as advertised—no issues at all. The included ATX 3.1 cable uses the latest H++ spring design, and all the pins were perfectly aligned. If you’ve seen JayzTwoCents’ recent video about misaligned pins in older designs, this one doesn’t have that problem.   The MSI PSU is whisper-quiet—honestly, I can’t even hear it over the rest of my system’s fans, haha.   No overheating or high AMP concerns with the wiring so far. I’m running a 5070 Ti, not a 5090, so I’m using well under half the cable’s rated capacity—no problems at all.

    Posted by Emma

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