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MSI - MPG A1250GS PCIE5 1250W ATX 3.1 & PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply - Black

Model: MPG A1250GS PCIE5
SKU: 12641619
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$239.99
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Wattage

1250 watts
Availability
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Sold & shipped by
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4.14(37)
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SponsoredCORSAIR - RMe Series RM750e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black
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Specifications
  • Wattage
    1250 watts
    Modular
    Fully modular
    Energy Efficiency
    80 PLUS Gold, Cybenetics Gold
    ATX Connector
    1x ATX (24 PIN) Cable
    PCIe Connector
    3
    Peripheral Connector
    4
  • Key Specs
    • Wattage: 1250 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: 3 (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 A1250GS PCIE5
    • Product Name: MPG A1250GS PCIE5 1250W ATX 3.1 & PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply
    • Color: Black
  • Power
    • Wattage: 1250 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: 3 (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: 104 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: 824142376294

MPG A1250GS 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 A1250GS 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.
  • Server Grade Japanese Electrolytic capacitor: This power supply is built for outstanding quality and reliable performance, featuring 100% server-grade 105℃ capacitors along with advanced CoolMOS and SiC SBD components. It is designed for efficient power conversion and long-lasting, safe operation
Whats Included
  • MPG A1250GS PCIE5
  • AC cable
  • DC cable set
  • Mounting screws

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

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

Q: Is this power supply fully modular?

A: Yes, it is a fully modular power supply.

Q: How does the efficiency of the power supply affect my system?

A: The efficiency of your power supply directly influences your system's performance and your power consumption.

Q: Does this power supply have overload protection?

A: Yes, this power supply includes overload protection.

Q: What is the benefit of using flat cables in this power supply?

A: The flat cables make cable management easier and less of a headache, allowing for a more organized system and better airflow.

Q: Is this power supply compatible with ATX 3.1?

A: Yes, this power supply is ATX 3.1 compatible.

Q: What is the wattage of this power supply?

A: This power supply has a wattage of 1250 watts.

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Pros for MSI - MPG A1250GS PCIE5 1250W ATX 3.1 & PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply - Black
Cable QualityOverall PerformanceThere were no pros for this product—Overall Performance, Power Capacity, Noise Level, Installation Ease

Specs

Reviews

Rating 4.8 out of 5 stars with 6 reviews

5 star rating. 5 reviews4 star rating. 1 review
100% would recommend to a friend
Customers are sayingCustomers recognize the high quality of the cables. They frequently comment on the superior construction and durability of the wiring.
This summary was generated by AI based on customer reviews.
  • Cable Quality (3)

Customer Images

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

    High-End Power Supply For Any High-End Build

    1250W is a large amount of power and more than good enough for any typical home gaming setup. This will fully supply any high-end setup including some of the largest 5080OC and 5090 graphics cards with plenty to spare. Plenty of slots for all of your components and supports 2x6 pin 600w graphics card supplies and is PCIE5 compatible. Both very important for modern builds The included cables are high quality and look great. They're long enough to wire up a full size case with plenty to spare. The wires are fabric braided and are combed from the factory. They also come in a nice fabric pouch which helps you neatly store any spares after your build.

    This review is from MSI - MPG A1250GS PCIE5 1250W ATX 3.1 & PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply - Black

    Posted by KevinK

  • Rated 5 out of 5 stars

    Super powerful and very stable

    I've been using the MSI A1250GS power supply in my newly built desktop for a few months now, and it's been rock solid. Super powerful and very stable, even under heavy loads. No issues at all—quiet performance and clean cable design make it a great choice for any high-end build. Definitely recommend it if you're looking for a reliable PSU.

    This review is from MSI - MPG A1250GS PCIE5 1250W ATX 3.1 & PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply - Black

    Posted by Phil

  • Rated 5 out of 5 stars

    1250 watt MSI PSU

    Well working model, and itvwas perfect for my build. The folks at best buy were able to work with me too, which was very considerate.

    This review is from MSI - MPG A1250GS PCIE5 1250W ATX 3.1 & PCIe 5.1 Ready Full Modular 80 Plus Gold Gaming Power Supply - Black

    Posted by TylerC

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