
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.
- Power off and unplug system; mount PSU in case with fan facing intake or exhaust per build.
- Connect modular cables only as needed; secure flat cables away from fans.
- Plug into wall outlet matching input voltage; test with minimal components first.
- 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
