MSI MAG A850GL PCIE5 – Compact Powerhouse for Modern Gaming PCs

The MSI MAG A850GL PCIE5 power supply is designed for gamers who demand performance, stability, and efficiency. As part of the MAG series, it combines a rugged design inspired by military durability with advanced technology to ensure consistent, high-quality power delivery for modern PC builds.
Compliant with ATX 3.1 and PCIe 5.1 standards, this PSU supports next-generation GPUs such as the NVIDIA GeForce RTX 40 Series. It can handle up to 2× total power excursion and 3× GPU power excursion spikes, ensuring rock-solid stability even during sudden power demands.

Certified Gold Efficiency
With 80 PLUS Gold and Cybenetics Gold certifications, this power supply guarantees efficient energy use, lower heat output, and reduced electricity consumption. The Active PFC circuit and LLC Full Bridge with DC-to-DC converters ensure stable voltages and fast load response, maximizing both reliability and lifespan.

Compact Design and Modular Cable System
The fully modular design helps reduce clutter, allowing you to use only the cables you need. Combined with flat black cables, the system looks cleaner, improves airflow, and simplifies installation. The compact form factor makes it ideal for small and mid-tower cases without sacrificing connectivity or performance.

Silent Cooling with Fluid Dynamic Bearing
A 120mm FDB (Fluid Dynamic Bearing) fan ensures quiet, reliable operation while keeping components cool. The optimized airflow design minimizes noise levels while maintaining stable temperatures even under full load.

Strong and Stable Single Rail
The single +12V rail provides steady and reliable power delivery to your CPU and GPU. Whether you’re running demanding graphics cards or high-core-count CPUs, this PSU ensures consistent performance with ample headroom for upgrades.

Comprehensive Protection Features
- OCP – Over Current Protection
- OVP – Over Voltage Protection
- UVP – Under Voltage Protection
- OPP – Over Power Protection
- OTP – Over Temperature Protection
- SCP – Short Circuit Protection

Included Connectors
- ATX (24-pin) ×1
- EPS (8-pin 4+4) ×2
- PCIe (16-pin 12V-2x6) ×1
- PCIe (8-pin 6+2) ×4
- SATA ×8
- Molex ×4 + FDD ×1

Technical Specifications
| Rated Power | 850W, Single +12V rail (70.5A) |
| Standards | ATX 3.1, PCIe 5.1, NVIDIA RTX 40 Ready |
| AC Input | 100–240V~, 12A, 47–63Hz |
| DC Output | +5V 20A, +3.3V 20A, +12V 70.5A, -12V 0.3A, +5Vsb 2.5A |
| Combined Power | +5V/+3.3V: 110W, -12V: 3.6W, +5Vsb: 12.5W, Total: 850W |
| Efficiency | 80 Plus Gold, Cybenetics Gold Certified |
| Cooling | 120mm Fluid Dynamic Bearing fan |
| Design | Fully modular, flat black cables, compact form factor |
| Protection | OCP / OVP / UVP / OPP / OTP / SCP |
| Topology | LLC Full Bridge + DC-to-DC, Active PFC design |
The MSI MAG A850GL PCIE5 delivers exceptional stability, efficiency, and cable management flexibility, making it the perfect choice for high-performance gaming PCs and future-ready hardware builds.