The MSI MAG A1250GS PCIE5 is a high-performance 1250W power supply unit optimized for modern PC builds requiring robust and reliable power delivery. Certified with an 80 PLUS Gold efficiency rating (up to 90%), this PSU ensures efficient energy usage and reduced heat generation. It supports the latest ATX 3.1 standard and is built to power cutting-edge GPUs and CPUs with its PCIe 5.1 native 12V-2x6 (16-pin) connectors, capable of delivering up to 600W per connector, making it ideal for high-end NVIDIA GeForce RTX 40/50 series graphics cards.

Designed with user convenience in mind, the unit features a fully modular cable system with flat, embossed cables that allow for streamlined cable management, aided further by a factory-installed cable organizer. Cooling is expertly handled by a quiet 135 mm fluid dynamic bearing (FDB) fan that supports a 0 RPM zero-fan mode for silent operation under low loads.

Internally, the PSU employs an LLC half-bridge topology combined with DC-DC converters and incorporates server-grade 105°C capacitors, Infineon CoolMOS power transistors, and Silicon Carbide Schottky barrier diodes, delivering reliability, efficiency, and durability. It offers comprehensive protection including OCP, OVP, OPP, OTP, SCP, UVP, SIP, and NLO, safeguarding your components against electrical hazards.

With a compact form factor of 150 x 150 x 86 mm, the MAG A1250GS fits most standard ATX cases easily and includes ample connectors:

• ATX 24-pin: 1


• EPS (4+4 pin): 2


• PCIe 5.0 (16-pin): 2


• PCIe (6+2 pin): 1


• SATA (15 pin): 8


• Peripheral (4 pin): 4