MSI MAG A1250GL PCIE5

1250 W · 80+ Gold · Fully modular

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Wattage 1250 W
Efficiency 80+ Gold
Modular Fully modular
Form factor ATX

MSI MAG A1250GL PCIE5 is a 1250 W power supply rated 80+ Gold (fully modular). Pick one with some headroom above your build's draw.

Specifications

Key specs

Wattage: 1250 W
Efficiency: 80+ Gold
Modular: Fully modular
Form factor: ATX
Part number: MAG A1250GL PCIE5
EAN / UPC: 0824142339756

Power

Total power: 1250 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Power Factor Correction (PFC) type: Active
Number of +12V rail(s): 1
Efficiency: 90%
Power protection features: Over current, Over power, Over total voltage, Over voltage, Short circuit, Under voltage

Ports & interfaces

Motherboard power connector: 24-pin ATX
Motherboard power cable length: 60 cm
Number of SATA power connectors: 12
SATA power cable length: 500 mm
Peripheral (Molex) power connectors (4-pin): 4
Peripheral (Molex) power cable length: 150 mm
EPS power connector (4+4 pin): Yes
PCI Express power connectors (6+2 pin): 4
PCI Express power connectors (16-pin): 1
PCI Express power connectors (12+4 pin) cable length: 500 mm
Cabling type: Fully-Modular

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Performance

80 PLUS certification: 80 PLUS Gold
Purpose: PC
Power supply unit (PSU) form factor: ATX
ATX version: 3.1
Bearing technology: Hydro bearing

Design

Product colour: Black
Cooling type: Active
Fan diameter: 13.5 cm
Number of fans: 1 fan(s)

Weight & dimensions

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

Check the manufacturer's page before buying.

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About this product

ATX 3.1 READY

The gaming power supply can hold up to 2x total power excursion and 3x GPU power excursion, remaining stable when paired with high performing graphics cards.

LEVEL UP YOUR GAME

With native PCIe CEM 5.1 16-pin connector this power supply is ready for NVIDIA® GeForce RTX™ 40 Series graphics cards. It can freely pipe up to 600W of power to PCIe CEM 5.1 graphics cards. Dual-color 16-pin cable The PCIe CEM 5.1 16-pin cable's connector color has been changed to yellow so that users can easily see if the connector has been plugged in properly. Besides, the Dual-color 16-pin cable also won Wccftech awards in the COMPUTEX 2023.

ENERGY EFFICIENCY CERTIFICATION

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.

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.

Datasheet (PDF)

MAG A1250GL PCIE5 vs similar power supplies

	MSI MAG A1250GL PCIE5	MSI MPG A1250GS PCIE5	MSI A1250GL PCIE5	Chieftec POLARIS 3.0 1250W
Wattage	1250 W	1250 W	1250 W	1250 W
Efficiency	80+ Gold	80+ Gold	80+ Gold	80+ Gold
Modular	Fully modular	Fully modular	Fully modular	Fully modular
Form factor	ATX	ATX	ATX	ATX
Released	—	2025	2024	2023