MSI
MSI MPG A1000GS PCIE5 II 1000W power supply
Fully modular ATX 3.1 power supply delivering 1000 W with 80 PLUS Gold efficiency and dual native 12V-2x6 connectors for PCIe 5.1 graphics cards
- ColorBlack
- TypeATX12V
- Maximum Power1000 W
- Fans1 x 135 mm
- PFCActive
- ModularFull Modular
Options ATX 3.1 (1000W) Dual 12V-2x6 + 3x 8-Pin
- 80 PLUS Gold certification delivers up to 90% efficiency for lower running costs
- Dual native 12V-2x6 connectors supply up to 600 W each for PCIe 5.1 graphics cards
- 135 mm fluid-dynamic bearing fan with Zero Fan Mode keeps noise near silent levels
- Compact 150 mm ATX footprint frees space for cable routing and airflow
- Semi-digital PFC and LLC control plus full protection suite ensure stable power delivery
1000 W ATX 3.1 power supply for high-demand builds
This fully modular unit delivers up to 1000 W of continuous power with 80 PLUS Gold efficiency reaching 90 percent. It targets gaming PCs and AI workstations that run modern GPUs and CPUs with high transient loads. The compact 150 mm depth fits most ATX cases while leaving room for airflow.
Dual 12V-2x6 connectors replace legacy PCIe cabling
Two native 12V-2x6 cables each supply up to 600 W, removing the need for adapters when installing PCIe 5.1 graphics cards. The 235 percent total power excursion rating handles severe spikes without tripping protections. Upgrading makes sense when a new GPU requires the 12V-2x6 interface or when an older supply cannot sustain repeated transient peaks.
ATX 3.1 and PCIe 5.1 set the practical limits
The supply complies with the Intel ATX 3.1 design guide, supporting 2x total and 3x GPU power excursions for short durations. Input range spans 100 to 240 V at 50 to 60 Hz with a maximum 13 A draw. Protections include OVP, OCP, OTP, OPP, SCP and UVP. The 135 mm fluid-dynamic bearing fan runs in zero-fan mode at low load.
Highlights
- 80 PLUS Gold certification delivers up to 90% efficiency for lower running costs
- Dual native 12V-2x6 connectors supply up to 600 W each for PCIe 5.1 graphics cards
- 135 mm fluid-dynamic bearing fan with Zero Fan Mode keeps noise near silent levels
- Compact 150 mm ATX footprint frees space for cable routing and airflow
- Semi-digital PFC and LLC control plus full protection suite ensure stable power delivery
Specifications
| Brand | MSI |
|---|---|
| Model | MPG A1000GS PCIE5 II |
| Color | Black |
| Type | ATX12V |
| Maximum Power | 1000 W |
| Fans | 1 x 135 mm |
| PFC | Active |
| Modular | Full Modular |
| Energy-Efficient | 80 PLUS GOLD Certified |
| Protection | OVP, OCP, OTP, OPP , SCP, UVP |
| Input Voltage | 100 - 240 V |
| Input Frequency Range | 50Hz ~ 60Hz |
| Input Current | 13A (Max.) |
| Dimensions | 11.89*10.04*5.08 inch |
| Weight | 6.75lbs |
| Shipping weight | 3.72 kg |
| Package size | 305 × 229 × 133 mm |
Other versions of this model
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Questions about this item
Will this power supply fit in a standard mid-tower case?
The unit measures 11.89 by 10.04 by 5.08 inches and uses a 150 mm by 150 mm ATX footprint, so it fits most mid-tower and full-tower cases that accept standard ATX power supplies.
Can it power a modern graphics card with a 12V-2x6 connector?
Yes, it includes two native 12V-2x6 cables, each rated for up to 600 W, and meets PCIe 5.1 and ATX 3.1 specifications for current GPUs.
What efficiency rating does it carry and what does that mean for heat?
It is 80 PLUS Gold certified, delivering up to 90 percent efficiency at typical loads, which reduces waste heat and lowers operating temperatures.
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