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Black ATX power supply unit, 150 mm square, 135 mm fan, fully modular cables with yellow 12V-2x6 connector

MSI

MSI MAG A650GLS PCIE5 650W power supply

SKU CH-FMCR-7HAPP MPN MAG A650GLS PCIE5

Fully modular 650 W ATX supply with 80 PLUS Gold efficiency, native 12V-2x6 connector for 300 W GPU power, ATX 3.1 compliance, and a 135 mm FDB fan rated Cybenetics A- for low noise

  • ColorBlack
  • TypeATX12V
  • Maximum Power650 W
  • Fans1 x 135 mm
  • PFCActive
  • Energy-Efficient80 PLUS GOLD Certified

Type 2026 ATX 3.1 (650W)

  • 80 PLUS Gold certified for up to 90% efficient power delivery
  • Native 12V-2x6 connector supplies up to 300 W to PCIe 5.1 graphics cards
  • ATX 3.1 compliant with 220% total power excursion support
  • 135 mm fluid-dynamic bearing fan keeps noise at Cybenetics A- level
  • Compact 150 mm depth fits most cases for easier cable routing

650W ATX 3.1 power supply

The MSI MAG A650GLS PCIE5 is a fully modular ATX 3.1 unit rated at 650 W. It carries 80 PLUS Gold certification for up to 90 percent efficiency and supports the PCIe 5.1 power standard. The compact 150 mm by 150 mm footprint fits most cases while leaving room for airflow.

Sustained load behaviour

Active PFC and an LLC half-bridge with DC-to-DC conversion keep output stable during extended sessions. Protection circuits cover OCP, OTP, OPP, SCP, OVP, UVP, SIP and NLO. The 135 mm fluid-dynamic bearing fan maintains Cybenetics A- noise levels even when the system runs continuously.

PCIe 5.1 power limits

A native 12V-2x6 connector delivers up to 300 W to compatible graphics cards. ATX 3.1 compliance allows 220 percent total power excursion and 3x GPU power excursion for short bursts. Input voltage spans 100 to 240 V for worldwide use.

Highlights

  • 80 PLUS Gold certified for up to 90% efficient power delivery
  • Native 12V-2x6 connector supplies up to 300 W to PCIe 5.1 graphics cards
  • ATX 3.1 compliant with 220% total power excursion support
  • 135 mm fluid-dynamic bearing fan keeps noise at Cybenetics A- level
  • Compact 150 mm depth fits most cases for easier cable routing

Specifications

BrandMSI
ModelMAG A650GLS PCIE5
ColorBlack
TypeATX12V
Maximum Power650 W
Fans1 x 135 mm
PFCActive
Energy-Efficient80 PLUS GOLD Certified
PSU Noise LevelCybenetics A-
Input Voltage100 - 240 V
Shipping weight2.45 kg
Package size305 × 191 × 112 mm

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Questions about this item

How loud is the 135 mm fan during all-day operation?

The unit carries a Cybenetics A- noise rating and uses a fluid-dynamic bearing fan designed to keep average sound at a level comparable to a quiet night.

What case clearance is needed for the 150 mm deep ATX form factor?

The compact 150 mm length and width fit most standard ATX cases, leaving extra room for cable routing and airflow around other components.

Will the native 12V-2x6 connector work with my existing PCIe 5.1 graphics card?

Yes, the native 12V-2x6 cable delivers up to 300 W and is fully compliant with PCIe 5.1 and ATX 3.1 power-excursion requirements.

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