MSI
MSI MPG A1000GS PCIE5 1000 W power supply
A 1000 W fully modular ATX supply with dual 12V-2x6 connectors for PCIe 5.1 graphics cards and 80 Plus Gold efficiency
- ColorBlack
- TypeATX12V
- Maximum Power1000 W
- Fans1 x 135 mm
- PFCActive
- +12V Rails2
Options ATX 3.1 (1000W) Dual 12V-2x6
- Up to 90% efficiency with 80 PLUS Gold certification
- Dual 12V-2x6 connectors each deliver 600W for PCIe 5.1 GPUs
- 135mm fluid-dynamic bearing fan enables zero-fan mode for silent operation
- Compact 150mm depth frees space for cable routing and airflow
- Full modular design with embossed jacket cables simplifies installation
1000 W ATX 3.1 power supply
The MSI MPG A1000GS PCIE5 is a fully modular ATX 3.1 unit rated for 1000 W. It targets high-end desktop builds that need stable delivery for modern graphics cards and multi-core processors. The compact 150 mm depth helps it fit a wide range of cases while leaving room for cable routing.
Compatibility checklist
Verify that your chassis can accommodate a 150 mm deep ATX power supply. Ensure the motherboard accepts a 24-pin ATX connector and two 8-pin EPS connectors for CPU power. Confirm your graphics card requires either a 16-pin 12V-2x6 connector or an 8-pin PCIe connector, as the unit provides two of the former and one of the latter.
Sustained-load behaviour
Dual 12 V rails and a 135 mm fluid-dynamic bearing fan manage heat during extended high-wattage operation. Zero Fan Mode keeps the fan off at low loads, while the semi-digital platform maintains voltage regulation across long sessions. The 80 Plus Gold rating indicates up to 90 percent efficiency at typical loads, reducing waste heat inside the case.
Highlights
- Up to 90% efficiency with 80 PLUS Gold certification
- Dual 12V-2x6 connectors each deliver 600W for PCIe 5.1 GPUs
- 135mm fluid-dynamic bearing fan enables zero-fan mode for silent operation
- Compact 150mm depth frees space for cable routing and airflow
- Full modular design with embossed jacket cables simplifies installation
Specifications
| Brand | MSI |
|---|---|
| Model | MPG A1000GS PCIE5 |
| Color | Black |
| Type | ATX12V |
| Maximum Power | 1000 W |
| Fans | 1 x 135 mm |
| PFC | Active |
| +12V Rails | 2 |
| SATA Power Connector | 8 |
| Max PSU Length | 150 mm |
| Modular | Full Modular |
| Energy-Efficient | Up to 90% |
| Protection | OVP/ OCP/ OTP/ OPP/ SCP/ UVP |
| Input Voltage | 100 - 240 V |
| Input Frequency Range | 50/60 Hz |
| Connectors | 1 x 24 pin (20+4) ATX 2 x 8 pin (4+4) EPS (CPU) 1 x 8 pin (6+2) PCIe 2 x 16 pin PCIe (600W) 4 x 4 pin Peripheral 8 x SATA |
| Shipping weight | 3.33 kg |
| Package size | 298 × 229 × 140 mm |
Other versions of this model
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Questions about this item
Does the box include the dual 12V-2x6 cables for a PCIe 5.1 GPU or must they be purchased separately?
The unit ships with two native 12V-2x6 connectors already attached to the modular cables, so no extra purchase is needed for a 600 W graphics card.
The spec sheet lists two 16-pin PCIe connectors rated at 600 W each; how do I decide which one to use?
Both connectors are identical and each can supply up to 600 W, so you simply plug your GPU into either one; the second remains available for a future card.
What does the 1000 W rating mean when the PSU is installed in a typical gaming PC?
It means the unit can continuously deliver 1000 W across its two +12 V rails while maintaining up to 90 % efficiency and keeping noise low via the 135 mm FDB fan and Zero Fan Mode.
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