MSI (MPG A1250GS PCIE5), 1250 W, 100 - 240 V, 50/60 Hz, Power Supply

Tired of unstable power that forces you to cut back on high-end graphics or AI workloads? The MSI (MPG A1250GS PCIE5), 1250 W, 100 - 240 V, 50/60 Hz, Power Supply delivers reliable, high-capacity electricity so you can push your system to its limits without fear of crashes or overheating. It’s a fully-modular, ATX-compatible unit designed for demanding builds, giving you the confidence to run the latest GPUs and multiple drives smoothly.

Usages of a 1250 W Power Supply

This power supply fits perfectly into a workstation that runs intensive AI models, a gaming rig with a top-tier NVIDIA 50-series card, or a content-creation PC with several SSDs and high-speed peripherals. Its robust output lets you stay productive from morning rendering sessions to late-night gaming marathons, all on a single, tidy power source.

Benefits of MSI Power Supply

• Stable performance: Active PFC and 90 % efficiency keep voltage steady, reducing the risk of component stress.
• Future-proof: ATX 3.1 and PCIe 5.1 support mean you can upgrade to the newest GPUs without replacing the PSU.
• Quiet operation: A semi-passive 13.5 cm fan only spins up under heavy load, keeping your desk environment calm.
• Easy cable management: Fully-modular cabling lets you connect only what you need, improving airflow and aesthetics.
• Energy-saving: 80 PLUS Gold certification lowers electricity costs while delivering maximum power.

Why Choose MSI Power Supply

Choosing this MSI power supply means you get a unit built for the most power-hungry components on the market. The 1250 W rating gives you ample headroom for dual-GPU setups, multiple storage drives, and high-performance CPUs, so you won’t need to worry about hitting a power ceiling as you expand. Its compact 150 mm × 150 mm × 86 mm footprint fits standard ATX cases without sacrificing internal space for cooling.

In addition, the combination of active PFC, high efficiency, and a single 13.5 cm fan provides a balance of performance and silence that many cheaper units lack. You benefit from a reliable power source that protects your investment, while the fully-modular design simplifies installation and future upgrades.

Key Features of a 1250 W Power Supply

• Efficiency: 90 %. High efficiency reduces waste heat and saves on electricity bills.
• Total power: 1250 W. Provides enough juice for the most demanding builds.
• Certification: 80 PLUS Gold. Guarantees consistent performance and lower energy consumption.
• Connectors: 1 × PCIe (6+2 pin). Supplies power to the latest high-end graphics cards.
• Modular cabling: Fully-Modular. Allows custom cable layouts for better airflow.
• SATA connectors: 8. Supports multiple SSDs and HDDs without extra adapters.
• Molex connectors: 4 × 4-pin. Enables power for legacy devices and additional peripherals.
• Motherboard cable length: 60 cm. Reaches most ATX boards comfortably.
• Fan: 1 × 13.5 cm semi-passive. Keeps the unit cool while staying quiet under normal loads.
• Dimensions: 150 mm × 150 mm × 86 mm. Fits standard ATX cases without space issues.

Specifications