The MSI MAG A850GL PCIE5 is a fully modular 850W power supply unit engineered for gamers and enthusiasts, featuring 80 PLUS Gold certification for superior energy efficiency (up to 90% at 50% load), ATX 3.1 compatibility, and native PCIe 5.1 support with a 12V-2x6 (600W) connector for next-gen GPUs like NVIDIA GeForce RTX 40-series. It handles up to 2x total system power excursions and 3x GPU power spikes, ensuring stability during intense gaming sessions.

Cooled by a quiet 120mm Fluid Dynamic Bearing (FDB) fan, it incorporates a compact design with black flat cables for easy cable management, LLC half-bridge topology with DC/DC conversion, and comprehensive protections (OCP, OVP, OPP, OTP, SCP, UVP). Built with military-inspired durability, this PSU delivers reliable power for high-performance builds while minimizing noise and waste heat.

General

Brand:	MSI
Categories:	Computers > Components > Power Supplies
LSN:	XCW-LQY-AS5-3
Barcode:
Colour:	Black
Model Number:	A850GL
PSU Type:	Fully modular

Warranty

Warranty:

10 Years

Cooling System

Fan Control:	Temperature-based hybrid mode (semi-passive at low loads for silence)
PSU Fan Size:	120 mm Fluid Dynamic Bearing (FDB)

Connectors

+12V Rails:	Single
FDD Connectors:	1x 4-pin FDD (adaptable via Molex)
Main Connector:	1x 24-pin ATX (610 mm)
Molex Connectors:	4x 4-pin Molex (550 mm with 3-way branching)
PCI Express Connector:	1x 12V-2x6 (PCIe 5.1, 600W, 650 mm) + 4x 6+2-pin PCIe (650 mm, daisy-chainable)
SATA Power Connector:	8

Specification

80 Plus Grade:	80 PLUS Gold
Active PFC:	Active PFC (>0.9)
Input Voltage:	100-240V
Maximum Power:	850W
Protection:	Over Current Protection (OCP) • Over Voltage Protection (OVP) • Over Power Protection (OPP) • Over Temperature Protection (OTP) • Short Circuit Protection (SCP) • Under Voltage Protection (UVP)

Package Contents

Package Contents:

MSI MAG A850GL PCIE5 power supply unit • 1x AC power cord (universal, C13 type; region-specific plug for South Africa) • 1x User guide (multi-language manual) • 1x Bag of modular cables (fully modular set as per specifications: 1x 24-pin, 2x EPS, 1x 12V-2x6, 4x PCIe, 8x SATA, 4x Molex, 1x FDD adapter)

Physical Specification

Item Depth (mm):	140
Item Height (mm):	86
Item Width (mm):	150
Modular Cable Management:	Black flat cables for reduced clutter

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MSI MAG A850GL PCIE5 850W 80 PLUS Gold 20+4 pin ATX Black Power Supply

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 3.0 COMPATIBLE
It has an output port that is compliant with PCIe 5.0 and Intel PSDG(Power Supply Design Guide) ATX 3.0, also the MAG A850GL PCIE5 power supply can handle up to 2x total power excursion and 3x GPU power excursion.

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.

COMPACT SIZING
Smaller than typical PSUs on the market, this power supply unit that can save space and make it easier to organize cables in the computer case by freeing up more room inside.

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 sports a fluid dynamic bearing that perfectly balances cooling performance and noise level.

DC TO DC & FULL BRIDGE
DC to DC and Full bridge be combined to achieve higher conversion efficiency, stable output voltage, and quick voltage adjustment for different usage scenarios, thus providing a stable power supply design

THE POWER YOU HAVE
The single rail supply of power can properly deliver the power you need. For high-performance graphics cards and CPUs, this power supply's 5 CPU & PCI-E slots are more than plenty.

PROTECTION MECHANISMS
To make sure the entire system can operate safely and stably at all times, the power supply comes with a number of protection mechanisms to give you the best peace of mind.

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