Expert Features

• 1250W of Unrelenting Power
  Built to handle RTX™ 50 series, AI PCs, and power-hungry rigs with ease—this beast delivers stable juice under the heaviest loads.
• Dual Native 12V-2×6 Connectors
  No adapters. No drama. Connect next-gen GPUs directly with TWO 600W-capable 12V-2×6 cables in bold dual-color style.
• ATX 3.1 + PCIe 5.1 Certified
  Officially future-ready, meeting the latest Intel and PCIe standards for efficiency, stability, and power spike handling.
• 235% Power Excursion Support
  Need a burst? This PSU can handle up to 2500W (for 100μs) during sudden GPU ramp-ups. No brownouts, no bluescreens.
• 80 PLUS Gold Certified
  Up to 90% efficiency at typical loads. More performance, less heat, and a happy electric bill.
• Full Modular with Embossed Jacket Cables
  Keep things neat with bend-friendly, tangle-proof cables—only plug what you need and flex the rest like a cable-routing pro.
• Industrial-Grade Protection
  Armed with every acronym in the PSU protection dictionary: OCP, OTP, OPP, SCP, OVP, UVP, SIP, NLO.
• Whisper Quiet Operation
  A 135mm fluid dynamic bearing fan keeps your rig cool while staying virtually silent—even at full throttle.

FROM THE MANUFACTURER

ULTIMATE PROOF PSU

ATX 3.1

It has an output port compliant with Intel PSDG (Power Supply Design Guide) ATX 3.1, the power supply can hold up to 2x total power excursion and 3x GPU power excursion.

DUAL-NATIVE 12V-2X6 CONNECTOR

Built for advanced computing, this PSU delivers stable, uncompromised performance.

ZERO FAN MODE

The Zero fan mode ON, available to stop the fan’s operation when TDP is below 55% to help with energy saving and providing silence.

FLUID DYNAMIC BEARING

The 135mm FDB fan boosts lifespan while keeping noise low for quiet, long-lasting performance.

📊 Expert Specs 

Specification	Details
Model	MSI MPG A1250GS PCIE5
Form Factor	ATX
Continuous Power	1250W
Efficiency	80 PLUS Gold (up to 90%)
Power Excursion	Up to 2500W (200% for 100μs)
Modularity	Fully Modular
ATX 3.1 / PCIe 5.1	Yes / Yes (Certified)
Native 12V-2×6	2x (dual color)
Fan	135mm Fluid Dynamic Bearing
Noise Optimized	Yes
Protections	OCP / OTP / OPP / SCP / OVP / UVP / SIP / NLO
Input Voltage	100–240V
Input Frequency	50–60 Hz
Connectors	1x ATX 24-pin, 2x EPS, 3x PCIe (6+2), 2x 12V-2×6, 8x SATA, 4x Molex
Dimensions (LxWxH)	150 x 150 x 86 mm
Weight	7.5 lbs (~3.4 kg)