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Internal - 120 V AC, 230 V AC Input - 5 V DC, 3.3 V DC, 12 V DC, -12 V DC, 5 V SB Output - 1250 W - Active PFC - 1 +12V Rails - 1 Fan(s) - NVIDIA SLI Supported - 90% Efficiency
$198.49
Special order — estimated available by September 10, 2026.
Genuine MSI through authorized distribution — TAA country-of-origin verified and NDAA §889 screened before checkout.
The MAG series fights alongside gamers in pursuit of honor.
With added military-inspired elements in these gaming products, they were reborn as the symbol of sturdiness and durability.
ATX 3.1 READY
The gaming power supply can hold up to 2x total power excursion and 3x GPU power excursion, remaining stable when paired with high performing graphics cards.
80 PLUS GOLD CERTIFIED
The efficiency of your power supply directly influences your system's performance and your power consumption. The 80 PLUS Gold certification promises lower energy consumption and higher efficiency.
ONLY WHAT YOU NEED
The connectors that required by the build need to be used, significantly reducing cable clutter and simplifying the system's overall build. Additionally, the included cable pack provides a storage solution for any unused cables.
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.
FLUID DYNAMIC BEARING
The power supply's fan comes with a fluid dynamic bearing that perfectly balances cooling performance and noise level.
FULL BRIDGE LLC + SR + DC/DC
A full-bridge LLC with DC/DC converter combined to achieve higher conversion efficiency, stable output voltage, and quick voltage adjustment for different usage scenarios, thus providing a stable power supply design
Limited Warranty: 10 Year
Dedicated to customer-driven innovation, MSI leverages its remarkable R&D strengths to craft top-notch, well-acclaimed motherboards, graphics cards, notebook PCs and All-in-One PCs. The Overclocking Series is designed for enthusiasts who pursue extreme performance and go after world records. Aimed at fulfilling the needs and expectations toward professional gaming, the MSI GAMING Series receives gamers’ unanimous acclaim. Incorporating Military Class components, the Classic Series has an excellent reputation for quality and durability. All these distinctive products have made MSI a forerunner in the middle-range and high-end market. Also adding to the lineup are cloud servers, tailor-made IPCs, intelligent panoramic camera (Panocam), robotic appliances and human-centric vehicle electronics that further demonstrate MSI's strengths and endeavors in consumer, commercial and IOT(Internet of Things) markets.
| General Information | |
|---|---|
| Manufacturer | MSI |
| Manufacturer Part Number | MAGA1250GLPCIE5 |
| Brand Name | MSI |
| Product Series | MAG |
| Product Name | MAG 1250W Power Supply |
| Product Type | Power Supply |
| Physical Characteristics | |
| Form Factor | Internal |
| Height | 5.9" |
| Width | 5.9" |
| Depth | 3.4" |
| Power Description | |
| Input Voltage | 120 V AC, 230 V AC |
| Number of +12V Rails | 1 |
| 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 DC @ 3 A, 12 V DC @ 104.1 A |
| Output Current | 22 A, 300 mA, 3 A, 104.10 A |
| Output Power | 1250 W |
| Technical Information | |
| Specification Compliance | ATX 3.1 |
| Efficiency | 90% |
| Power Factor Correction (PFC) | Active |
| Number of Fans | 1 |
| Fan Bearing Type | Fluid Dynamic Bearing |
| Protection Type | Over Current, Over Temperature, Over Voltage, Over Power, Short Circuit, Under Voltage |
| Modular | Yes |
| NVIDIA SLI Supported | Yes |
| Warranty | |
| Limited Warranty | 10 Year |
| Miscellaneous | |
| Package Contents |
|
| Environmentally Friendly | Yes |
| Energy Efficiency Certification | 80 Plus Gold |
Send a bill of materials or part numbers — we confirm stock, TAA country of origin and a below-market total. No payment up front.
