MSI A1000GS PCIE5

1000 W · 80+ Gold · Fully modular

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Wattage 1000 W
Efficiency 80+ Gold
Modular Fully modular
Form factor ATX

MSI A1000GS PCIE5 is a 1000 W power supply rated 80+ Gold (fully modular). Pick one with some headroom above your build's draw. It came out in 2025.

Released: 2025-01-13

Specifications

Key specs

Wattage: 1000 W
Efficiency: 80+ Gold
Modular: Fully modular
Form factor: ATX
Released: 2025-01-13
Part number: MPG A1000GS PCIE5
EAN / UPC: 4711377243773

Power

Total power: 1000 W
AC input voltage: 100 - 240 V
AC input frequency: 50/60 Hz
Power Factor Correction (PFC) type: Active
Combined power (+3.3V): 120 W
Combined power (+12V): 1000 W
Combined power (+5V): 120 W
Combined power (-12V): 3.6 W
Combined power (+5Vsb): 15 W
Max output current (+3.3V): 22 A
Max output current (+12V): 83.3 A
Max output current (+5V): 22 A
Max output current (-12V): 0.3 A
Max output current (+5Vsb): 3 A
Efficiency: 90%

Ports & interfaces

Motherboard power connector: 24-pin ATX
Motherboard power cable length: 60 cm
Number of SATA power connectors: 8
Peripheral (Molex) power connectors (4-pin): 4
EPS power connector (4+4 pin): Yes
PCI Express power connectors (6+2 pin): 1
PCI Express power connectors (16-pin): 2
PCI Express connector: Yes
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: FDB

Design

Product colour: Black
Cooling type: Active
Fan diameter: 13.5 cm

Weight & dimensions

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

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About this product

Featuring ATX 3.1 and PCIe 5.1 support with two 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.

Datasheet (PDF)

A1000GS PCIE5 vs similar power supplies

	MSI A1000GS PCIE5	MSI MAG A1000GL PCIE5 WHITE	MSI MAG A1000GLS PCIE5	MSI MAG A1000GL PCIE5 II
Wattage	1000 W	1000 W	1000 W	1000 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	2025	2025	2025