MSI MAG A850GLS PCIE5 power supply unit 850 W 24-pin ATX ATX Black

Reliable power for your system: the MSI MAG A850GLS PCIE5 power — wattage and connector details are in the spec table.

Featuring ATX 3.1 and PCIe 5.1 support with native 12V-2x6 connectors, these PSUs are built to handle NVIDIA’s 50 series graphics cards and AI PCs with ease. Advanced thermal solutions ensure cool, stable, and efficient operation, even under heavy loads, giving you the reliability and durability you need for gaming, streaming, or AI-powered tasks.

MSI's mainstream MAG series epitomizes stability and durability and is built to withstand the most intense gaming sessions. The entire lineup features robust construction with metallic-like hardness and excellent heat dissipation, ensuring stability for all critical gaming components.

Specifications

Cooling
Fan diameter	13.5 cm
Number of fans	1 fan(s)
Cooling type	Active
Design
80 PLUS certification	80 PLUS Gold
Product colour	Black
Illumination	No
Power
Total power	850 W
Peak power	1870 W
AC input voltage	100 - 240 V
AC input frequency	47 - 63 Hz
Power Factor Correction (PFC) type	Active
Power protection features	No load operation, Over power, Over total voltage, Over voltage, Overcharge, Short circuit, Surge & inrush protection (SIP), Under voltage
Efficiency	90%
Ports & interfaces
Motherboard power connector	24-pin ATX
Number of SATA power connectors	8
Peripheral (Molex) power connectors (4-pin)	3
EPS power connector (8-pin)	No
PCI Express power connectors (6+2 pin)	4
PCI Express connector	Yes
ATX Power connector (24-pin)	Yes
Cabling type	Fully-Modular
EPS power connector (4+4 pin)	Yes
PCI Express power connectors (16-pin)	1
Number of EPS connectors	2
Performance
Power supply unit (PSU) form factor	ATX
Purpose	PC
ATX version	3.1
Bearing technology	FDB
Weight & dimensions
Width	150 mm
Depth	150 mm
Height	86 mm
Packaging data
Package type	Box

Downloads

• Datasheet (PDF)
• Product manual / brochure (PDF)