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MSI MAG 1250W 80+ Gold Modular ATX 3.1 Power Supply

MSI MAG 1250W 80+ Gold Modular ATX 3.1 Power Supply

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Description

MSI MAG 1250W 80+ Gold Modular ATX 3.1 Power Supply

This is a MSI MAG 1250W Power Supply, a high-capacity fully modular ATX 3.1 gaming PSU designed for stability with demanding graphics cards. Featuring 80 PLUS Gold certification for 90% efficiency, active PFC, and comprehensive protections, it supports NVIDIA SLI setups. MPN: MAGA1250GLPCIE5; UPC: 824142339756. Built for gamers pursuing sturdiness and durability in the MAG series.

Key Features of MSI MAG 1250W Power Supply

  • ATX 3.1 Ready – Handles up to 2x total power excursion and 3x GPU power excursion for stability with high-performance graphics cards.
  • 80 PLUS Gold – Delivers 90% efficiency, reducing energy consumption and heat for better system performance.
  • Fully Modular Design – Use only required connectors to minimize cable clutter; includes cable pack for unused cables storage.
  • Flat Cables – Simplifies cable management, improves airflow, and organizes builds more effectively.
  • Fluid Dynamic Bearing Fan – Single 135mm fan balances cooling performance and low noise levels.
  • Full Bridge LLC + SR + DC/DC – Ensures higher conversion efficiency, stable output voltage, and quick adjustments for various scenarios.
  • Comprehensive Protections – Over Current, Over Temperature, Over Voltage, Over Power, Short Circuit, Under Voltage safeguards.
  • NVIDIA SLI Supported – Single +12V rail with 104.1A capacity powers multi-GPU configurations reliably.

Comprehensive Technical Specifications

Specification Details
Manufacturer MSI
Brand Name MSI
Product Series MAG
Product Name MAG 1250W Power Supply
Manufacturer Part Number MAGA1250GLPCIE5
UPC 824142339756
Product Type Power Supply
Form Factor Internal (ATX)
Specification Compliance ATX 3.1
Efficiency 90% (80 PLUS Gold )
Power Factor Correction (PFC) Active
Number of Fans 1 (Fluid Dynamic Bearing)
Modular Yes
NVIDIA SLI Supported Yes
Number of +12V Rails 1
Output Power 1250 W
Input Voltage 120 V AC / 230 V AC
Input Frequency 60 Hz
Output Voltage 5 V DC, 3.3 V DC, 12 V DC, -12 V DC, 5 V SB
Output Voltage Detail 5 V DC @ 22 A; 3.3 V DC @ 22 A; -12 V DC @ 0.3 A; 5 V SB @ 3 A; 12 V DC @ 104.1 A
Output Current 22 A, 300 mA, 3 A, 104.10 A
Protection Type Over Current, Over Temperature, Over Voltage, Over Power, Short Circuit, Under Voltage
Height 5.9"
Width 5.9"
Depth 3.4"
Weight 7.80 lbs
Package Height 5.20"
Package Width 11.60"
Package Depth 9.40"
Package Contents MAG 1250W Power Supply, Cable Pack
Energy Efficiency Certification 80 Plus Gold
Environmentally Friendly Yes

Installation & Maintenance for MSI MAG 1250W PSU

Standard ATX installation; pro tip: Ensure case airflow supports 1250W loads and modular cables are routed for optimal ventilation.

  1. Power off and unplug system; mount PSU in case with fan facing intake or exhaust per build.
  2. Connect modular cables only as needed; secure flat cables away from fans.
  3. Plug into wall outlet matching input voltage; test with minimal components first.
  4. For maintenance, dust fan periodically; store unused cables in provided pack.

Why Choose MSI MAG 1250W Power Supply

The MAG series embodies military-inspired durability for gaming rigs, offering stable power delivery, efficient design, and easy organization for high-end builds.

Power your gaming PC with MSI MAG 1250W—Order now!

Brand: MSI

Type: Power Supply

Color: Black

Features: Modular

Compatible Brand: For MSI

Model: MAG

MPN: MAGA1250GLPCIE5

Maximum Power: 1250 - 1500 W

Voltage Compatibility: 120 V

Form Factor: ATX

Cooling: 1 Fan

UPC: 824142339756