MSI MAG A850GN PCIE5

850 W · 80+ Gold · Non-modular

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Wattage 850 W
Efficiency 80+ Gold
Modular Non-modular
Form factor ATX

MSI MAG A850GN PCIE5 is a 850 W power supply rated 80+ Gold (non-modular). Pick one with some headroom above your build's draw. It came out in 2025.

Released: 2025-02-07

Specifications

Key specs

Wattage: 850 W
Efficiency: 80+ Gold
Modular: Non-modular
Form factor: ATX
Released: 2025-02-07
Part number: MAG A850GN PCIE5
EAN / UPC: 4711377244275

Power

Total power: 850 W
AC input voltage: 100 - 240 V
AC input frequency: 47 - 63 Hz
Power Factor Correction (PFC) type: Active
Number of +12V rail(s): 1
Combined power (+3.3V): 110 W
Combined power (+12V): 846 W
Combined power (+5V): 110 W
Combined power (-12V): 3.6 W
Combined power (+5Vsb): 15 W
Max output current (+3.3V): 20 A
Max output current (+12V): 70.5 A
Max output current (+5V): 20 A
Max output current (-12V): 0.3 A
Max output current (+5Vsb): 3 A
Efficiency: 90%
Power protection features: Over current, Over power, Over voltage, Overheating, Short circuit

Ports & interfaces

Motherboard power connector: 20+4 pin ATX
Motherboard power cable length: 60 cm
Number of SATA power connectors: 4
Peripheral (Molex) power connectors (4-pin): 2
EPS power connector (4+4 pin): Yes
PCI Express power connectors (6+2 pin): 2
PCI Express power connectors (16-pin): 1
CPU power connector (4+4 pin): Yes
Cabling type: Non-Modular

View all specifications +3 more sectionsShow fewer specifications

Performance

80 PLUS certification: 80 PLUS Gold
Purpose: PC
Power supply unit (PSU) form factor: ATX

Design

Product colour: Black
Cooling type: Active
Fan diameter: 12 cm
Number of fans: 1 fan(s)
On/off switch: Yes

Weight & dimensions

Width: 150 mm
Depth: 140 mm
Height: 86 mm

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About this product

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.

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. ATX 3.1 Ready It has an output port that is compliant with PCIe CEM 5.1 and Intel PSDG (Power Supply Design Guide)ATX 3.1, also this power supply can hold up to 2x total power excursion and 3x GPU power excursion. Offer the CPU sufficient power This power supply features dual 4+4-pin PCIe power connectors, providing ample 12V power to support high-performance CPUs.

POWER AT YOUR SIDE

The power supply is built with DC-to-DC construction, ensuring top-tier efficiency and unwavering voltage stability for your system.

SET FREE FOR THE +12V POWER OUTPUT

The latest CPUs and graphics cards demand more power, and a single +12V rail PSU provides an ideal combination of simplicity, robust power delivery.

User manual (PDF) · Datasheet (PDF)

MAG A850GN PCIE5 vs similar power supplies

	MSI MAG A850GN PCIE5	FSP VIC GD 850W Power supply unit ATX ATX3.1 Black	Gamer Storm PN850D 850W Power Supply	COUGAR Power Supply GST 850W ATX3.1 / 80 Plus Gold
Wattage	850 W	850 W	850 W	850 W
Efficiency	80+ Gold	80+ Gold	80+ Gold	80+ Gold
Modular	Non-modular	Non-modular	Non-modular	Non-modular
Form factor	ATX	ATX	ATX	ATX
Released	2025	2025	2025	2025