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MSI MAG 1250GL

MSI MAG 1250GL Specifications

The MSI MAG 1250GL by MSI is a power supply unit that provides 1250 watts of power output. This unit follows the 3.1 standard and comes in a ATX size. It is certified with 80 PLUS Gold and rated at Gold efficiency, reaching a peak efficiency of 90%. It features a 135 mm cooling fan , and is actively cooled. This PSU is modular . It delivers:

  • 104 A on the 12V rail (1 rail(s))
  • 22 A on the 5V rail
  • 22 A on the 3.3V rail
Operating at 100-240 V input, it includes a 10-year warranty. Physical dimensions are 150 x 150 x 86 mm .

MSI MAG 1250GL Performance Review

The MSI MAG 1250GL is classified as a very high power PSU, suitable for extreme gaming rigs and professional workstation setups. It is designed to support ultra high TDP CPUs and multiple high-end GPUs that demand high sustained power delivery and stability under full load.

This PSU achieves a high efficiency of 90% and carries a Gold certification. It balances cost and performance well and is a reliable choice for mainstream builds. The 10-year warranty reflects good long-term support.

This PSU offers moderate value, priced at $179.2 per kilowatt. It delivers decent performance and efficiency, making it a solid mid-range choice for most PC builds. It strikes a good balance between performance and cost, especially for builders prioritizing stability without overspending.

Power Supply Information

Manufacturer: MSI

Power Supply Name: MSI MAG 1250GL

Current Price Amazon: $224

  • Amazon Price Updated: 3 hours, 54 minutes ago.

  • Power Supply Available: True

    Power Output: 1250 W

    ATX Version / Form Factor: 3.1 / ATX

    Certifications: 80 PLUS Gold

    Efficiency Rating: Gold

    Modular / Fanless: True / False

    Fan Size / Fan Stop: 135 mm / False

    Dimensions: 150 x 150 x 86 mm

    Warranty: 10 years

    Input Voltage: 100-240 V

    Performance

    Number of 12 V Rails: 1

    Output 12 V / 5 V / 3.3 V: 104 A / 22 A / 22 A

    Maximum Efficiency: 90%

    Calculated Performance

    Performance: 84.9%

    Performance per Price: 37.9%

    Price per kW: 179.2 USD/kW