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Black rectangular ATX power supply with yellow 12V-2x6 cable and 135mm fan

MSI

MSI MAG A1000GLS PCIE5 1000W ATX 3.1 power supply

SKU CH-WC7J-P2E6R MPN MAG A1000GLS PCIE5

A compact ATX 3.1 unit delivers 1000 W with 80 PLUS Gold efficiency, a native 12V-2x6 connector for up to 600 W to PCIe 5.1 GPUs, and a 135 mm FDB fan rated Cybenetics A- for low noise

  • ColorBlack
  • TypeATX12V
  • Maximum Power1000 W
  • Fans1 x 135 mm
  • PFCActive
  • Energy-Efficient80 PLUS GOLD Certified

Type 2026 ATX 3.1 (1000W)

  • 80 PLUS Gold certified efficiency up to 90% reduces power draw
  • Native 12V-2x6 connector delivers up to 600W for PCIe 5.1 GPUs
  • ATX 3.1 ready handles 220% total power excursions
  • 135 mm FDB fan keeps noise at Cybenetics A- level
  • Compact 150 mm depth frees space for cables and airflow

1000 W ATX 3.1 power supply

The MSI MAG A1000GLS PCIE5 delivers 1000 W of continuous power with 80 PLUS Gold certification, reaching up to 90% efficiency. Its fully modular design and compact 150 mm depth suit builders who need high output in standard ATX cases. The unit targets systems built around modern GPUs and CPUs with demanding transient loads.

Native 12V-2x6 connector for 600 W GPU support

A native 16-pin 12V-2x6 cable supplies up to 600 W to a single PCIe 5.1 graphics card such as the RTX 50 series. The connector includes yellow highlights to confirm full insertion. Total power excursions of 220% and GPU excursions of 3x are handled per the ATX 3.1 specification, giving headroom for short spikes.

ATX 3.1 and PCIe 5.1 interface limits

The PSU complies with ATX 3.1 and PCIe 5.1 standards, supporting 100-240 V input and active PFC. Protection circuits cover over-current, over-temperature, over-power, short-circuit, over-voltage, under-voltage, surge and no-load conditions. A 135 mm fluid-dynamic bearing fan keeps noise at Cybenetics A- levels.

Highlights

  • 80 PLUS Gold certified efficiency up to 90% reduces power draw
  • Native 12V-2x6 connector delivers up to 600W for PCIe 5.1 GPUs
  • ATX 3.1 ready handles 220% total power excursions
  • 135 mm FDB fan keeps noise at Cybenetics A- level
  • Compact 150 mm depth frees space for cables and airflow

Specifications

BrandMSI
ModelMAG A1000GLS PCIE5
ColorBlack
TypeATX12V
Maximum Power1000 W
Fans1 x 135 mm
PFCActive
Energy-Efficient80 PLUS GOLD Certified
PSU Noise LevelCybenetics A-
Input Voltage100 - 240 V
Shipping weight3.13 kg
Package size305 × 254 × 152 mm

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Questions about this item

Will the native 12V-2x6 cable power my RTX 50 series GPU without an adapter?

Yes, the 16-pin 12V-2x6 connector delivers up to 600 W directly to a PCIe 5.1 graphics card, so no adapter is required.

How can I verify the 135 mm FDB fan is running quietly as specified?

Cybenetics A- noise certification confirms low acoustic output; in a typical build the fan stays near inaudible levels under normal loads.

Which cables are included and what must I purchase separately?

The fully modular unit ships with the 12V-2x6 GPU cable, 24-pin ATX, CPU and peripheral cables; no extra cables are needed for a standard ATX 3.1 build.

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