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MSI MAG A1250GL PCIE5, Fully Modular Compact Gaming 1250W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, 10 Year Warranty

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Availability: Only 3 left in stock, order soon!
Fulfilled by Amazon
Arrives Jul 24 – Jul 28
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Style: MAG A1250GL PCIE5


Features

  • 80 PLUS GOLD CERTIFIED
  • 10-year limited warranty, guaranteeing long term reliable operation
  • Fully modular design
  • ATX 3.1 & PCIE 5.1 ready

Description

MSI MAG A1250GL PCIE 5 Gaming Power Supply - Full Modular - 80 PLUS Gold Certified 1250W - Compact Size - ATX PSU

Brand: msi


Compatible Devices: Desktop Computers


Connector Type: ATX


Output Wattage: 1250 Watts


Form Factor: ATX


Wattage: 1250 watts


Cooling Method: Air


Item dimensions L x W x H: 11.5 x 9.25 x 5 inches


Item Weight: 7.25 Pounds


Power Supply Design: Full Modular


Compatible Devices: Desktop Computers


Connector Type Used on Cable: ATX


Output Wattage: 1250 Watts


Form Factor: ATX


Wattage: 1250 watts


Cooling Method: Air


Power Supply Design: Full Modular


Number of Fans: 1


Maximum Input Voltage: 240 Volts (AC)


Minimum Input Voltage: 100 Volts (AC)


Upper Temperature Rating: 90 Degrees Celsius


System Bus Connector Type: PCI-E


EU Spare Part Availability Duration: 10 Years


Brand: msi


Manufacturer: MSI


UPC: 824142339756


Mfr Part Number: MAGA1250GLPCIE5


Model Number: MAGA1250GLPCIE5


Warranty Description: 10 Year Limited Manufacturer


Item Dimensions: 11.5 x 9.25 x 5 inches


Item Weight: 7.25 Pounds


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jul 24 – Jul 28

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

    • It’s a PSU. It’s good, it works
Style: MAG A750GL PCIE5
Reliable PSU, fits wonderfully in my case, and I like that it comes with plenty of cables for you to work with. I never hear the fan, which is nice. Good PSU, I would recommend especially if on sale.
Reviewed in the United States on May 25, 2026 by RandomPerson214
    • Solid modern PSU with PCIe 5 support
Style: MAG A750GL PCIE5
The MSI MAG A750GL PCIE5 is a strong choice for a modern desktop build. I like that it is fully modular, which makes cable management much easier, especially in smaller or cleaner builds. The 750W capacity is a good middle ground for many gaming, workstation, and general PC builds, and PCIe 5 support makes it more future-friendly than older power supplies. The unit feels like a good value for the feature set, especially with 80+ Gold efficiency and a 10-year warranty. As always, make sure 750W is enough for your specific CPU and GPU combination, but for a lot of systems this is a very reasonable choice. I was very satisfied with it. ... show more
Reviewed in the United States on May 23, 2026 by Joshua
    • stable+high price<>value + perfect for 5090
Style: MAG A1250GL PCIE5
I've been using this power supply with an MSI motherboard, AMD Ryzen 9 9950X3D CPU, and NVIDIA RTX 5090 GPU for over a year now. The power delivery has been rock-solid stable, and most importantly, the GPU power cables show no signs of overheating or connector issues—a critical concern with high-power graphics cards. The reliability has been exceptional throughout daily heavy gaming and workstation use. What really stands out is the value proposition—it's significantly more affordable than comparable 1250W units from competitors while delivering the same or better performance. I highly recommend this PSU. ... show more
Reviewed in the United States on June 16, 2026 by Yuan
    • The best power supply for PC The best power supply for PC
Style: MAG A850GL PCIE5
Review Image by Henry
It's the best power supply I could have bought, it works perfectly, and its energy consumption is excellent. I've been using it for about six months, and it's doing its job. I'm very happy with it.
Reviewed in the United States on May 14, 2026 Reviewed in the United States on May 14, 2026 by Henry
    • Excellent Value
Style: MAG A750GL PCIE5
I bought this to build a video server and the power supply works perfectly. It is quiet and has been reliable for over 6 months and I don't expect to have any future issues with it.
Reviewed in the United States on June 17, 2026 by Karl
    • pretty thrilled!
Style: MAG A750GL PCIE5
great power supply, really good quality, all metal design. I love the modular aspect, and it fits my case perfectly. It seems like an amazing power supply for the money. I wanted to upgrade my cheap power supply for -$100 and found this to work great! The bag that comes with it for storing cables is great. Overall, an amazing power supply. ... show more
Reviewed in the United States on April 30, 2026 by Amazon Customer
    • PSU smoked and getting replacement will update.
Style: MAG A1000GL PCIE5
My first PSU went up in smoke it was actually smoking so imminently unplugged it and sent it back getting a replacement if this one doesn't work I will have to either get a different one or different company all of my PSU's have been from MSI even my 4080 is from MSI I have had many MSI products it so far seems this one as well as other reviews are good mostly but there are a bit of ones like mine that smoke or have bad caps or smells burnt I so far would recommend but if this replacement doesn't work I will get a different psu from another company I also trust aka SeaSonic, Corsair, ECT. I will update this once I receive the replacement and test it. I do content creation this psu is for a server I'm upgrading and I have over 200k subs K2 ninja and twitch channel the_k2ninja ... show more
Reviewed in the United States on March 26, 2026 by Amazon Customer
    • Neat PSU, I got unlucky
Style: MAG A850GL PCIE5
Seems like a neat power supply (I really liked how intuitive the cable setup was and I didn't scratch up my fingers plugging / unplugging, came with every cable you'd need) but I got a dud unit, and then found out it didn't fit my Hyte Revolt 3 case, so I had to return it. Would definitely recommend to other folks tho ... show more
Reviewed in the United States on March 6, 2026 by Simon

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