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Rectangular black fully modular ATX power supply with 135 mm fan and mesh grille

MSI

MSI MAG A1250GL PCIE5 1250W power supply

SKU CH-T0NH-6PDGR

A fully modular 1250 W ATX 3.1 unit with an 80 PLUS Gold rating, a 135 mm fluid dynamic bearing fan and a native 12V-2×6 connector for PCIe 5.1 graphics cards

  • ColorBlack
  • TypeIntel ATX 12V
  • Maximum Power1250 W
  • Fans1 x 135 mm Fluid Dynamic Bearing
  • PFCActive
  • Max PSU Length150 mm
  • 1250 W delivers headroom for high-end builds
  • 80 PLUS Gold certified cuts waste heat
  • Fully modular design keeps cables tidy
  • 135 mm fluid-dynamic fan runs quietly
  • ATX 3.1 and PCIe 5.1 ready for new GPUs

1250W Fully Modular ATX Supply

This MSI MAG A1250GL PCIE5 unit delivers 1250 W of continuous power from a fully modular design. It meets the Intel ATX 12V standard and carries 80 PLUS Gold certification for high efficiency. A 135 mm fluid dynamic bearing fan handles cooling.

Suited for high-end single-GPU builds.

Builders running a single flagship graphics card with a high-wattage CPU will find the 1250 W ceiling and full cable complement appropriate. Systems that require multiple 12V-2×6 connections for several top-tier GPUs should look at something else. The compact 150 mm depth fits many mid-tower cases.

One native 12V-2×6 connector for PCIe 5.1 graphics

The power supply includes exactly one 16-pin 12V-2×6 cable compliant with the PCIe 5.1 and ATX 3.1 specifications. If your graphics card demands two native 12V-2×6 inputs, this unit cannot satisfy that requirement without adapters.

Highlights

  • 1250 W delivers headroom for high-end builds
  • 80 PLUS Gold certified cuts waste heat
  • Fully modular design keeps cables tidy
  • 135 mm fluid-dynamic fan runs quietly
  • ATX 3.1 and PCIe 5.1 ready for new GPUs

Specifications

BrandMSI
ModelMAG A1250GL PCIE5
ColorBlack
TypeIntel ATX 12V
Maximum Power1250 W
Fans1 x 135 mm Fluid Dynamic Bearing
PFCActive
Max PSU Length150 mm
ModularFull Modular
Energy-Efficient80 PLUS GOLD Certified
ProtectionOCP / OVP / OPP / OTP / SCP / UVP
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz
Input Current15A (Max.)
Output+5V@22A, +3.3V@22A, [email protected] , [email protected] , +5VSB@3A
Connectors1 x ATX (24 PIN)
2 x EPS (4+4 PIN)
1x PCI-E 5.1 (16 PIN)
4 x PCI-E (6+2 PIN)
12 x SATA (15 PIN)
4 x MOLEX (4 PIN)
1 x Molex to FDD Adapter
Dimensions11.53 * 9.25 * 5.08"
Weight7.6 lbs

Questions about this item

Will the 12V-2×6 cable work with my older graphics card that only has an 8-pin connector?

The unit includes one 16-pin PCI-E 5.1 cable and four 6+2-pin PCI-E cables. Use a 6+2-pin cable for the older card; the 16-pin cable is not required for that card.

How can I confirm the 135 mm fluid dynamic bearing fan is running correctly after installation?

The fan spins when the PSU is powered on. Listen for smooth, quiet operation; the fluid dynamic bearing design reduces noise at low loads.

Which cables are included in the box and what must I purchase separately?

Included: 24-pin ATX, two 4+4-pin EPS, one 16-pin PCI-E 5.1, four 6+2-pin PCI-E, twelve SATA, four MOLEX, one Molex-to-FDD adapter. No extra cables are needed for standard builds.

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