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Black fully modular ATX power supply with 135 mm fan and braided cables, compact 150 mm depth

MSI

MSI MPG A850GS PCIE5 850W power supply

SKU CH-6F5A-X5CTH

Fully modular 850W ATX 3.1 unit with dual 12V-2x6 connectors, 80 Plus Gold efficiency and a quiet 135mm FDB fan

  • ColorBlack
  • Maximum Power850 W
  • Fans1 x 135 mm
  • PFCActive
  • +12V Rails2
  • SATA Power Connector8
  • 850 W output powers demanding builds
  • 90% efficiency at 80 PLUS Gold cuts waste heat
  • Two native 12V-2x6 cables deliver 600 W each for PCIe 5.1 GPUs
  • 135 mm FDB fan with Zero Fan Mode keeps noise low
  • Compact 150 mm depth frees space for airflow and cables

Power for PCIe 5.1 builds

This 850 W fully modular ATX 3.1 power supply targets gamers and creators who need native 12V-2x6 connectors for modern graphics cards. It carries 80 PLUS Gold certification with up to 90 percent efficiency and includes a 135 mm fluid-dynamic bearing fan with a zero-fan mode for quiet operation.

Suited for dual-connector GPUs.

The unit provides two native 12V-2x6 cables, each rated for 600 W delivery, making it a direct fit for PCIe 5.1 graphics cards that use those connectors. Builders who require more than 850 W of continuous power or who need additional 12V-2x6 cables beyond the two supplied should consider a higher-capacity model.

Compact 150 mm depth with eight SATA connectors

At 150 mm long and 150 mm wide, the supply leaves extra room for cable routing and airflow in standard cases. It offers eight SATA power connectors for drives and peripherals, while the dual +12 V rails and full protection suite (OVP, OCP, OTP, OPP, SCP, UVP) maintain stable delivery up to the 850 W limit.

Highlights

  • 850 W output powers demanding builds
  • 90% efficiency at 80 PLUS Gold cuts waste heat
  • Two native 12V-2x6 cables deliver 600 W each for PCIe 5.1 GPUs
  • 135 mm FDB fan with Zero Fan Mode keeps noise low
  • Compact 150 mm depth frees space for airflow and cables

Specifications

BrandMSI
ModelMPG A850GS PCIE5
ColorBlack
Maximum Power850 W
Fans1 x 135 mm
PFCActive
+12V Rails2
SATA Power Connector8
Max PSU Length150 mm
ModularFull Modular
Energy-EfficientUp to 90%
ProtectionOVP/ OCP/ OTP/ OPP/ SCP/ UVP
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz

Questions about this item

Do I need a motherboard with an ATX 3.1 power connector for the MSI MPG A850GS PCIE5?

The PSU uses a standard 24-pin ATX connector, so any ATX-compatible motherboard will work; the ATX 3.1 label only describes the unit's own compliance.

Can I keep my older SATA SSDs and hard drives with this fully modular unit?

Yes, the package includes modular cables with eight SATA power connectors for legacy drives.

How can I confirm the fan's Zero Fan Mode is active after building the system?

At low loads the 135 mm FDB fan stops completely, so silence at idle indicates the mode is working.

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