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Black rectangular ATX power supply with modular cable sockets and a 140mm fan grille

MSI

MSI MPG A850GF 850W ATX power supply

SKU CH-3F1Z-AHCFV MPN MPG A850GF

A fully modular 850W ATX power supply with 80 PLUS Gold efficiency, a 140mm FDB fan rated to Cybenetics Standard ++, six PCIe 6+2-pin connectors and Japanese 105°C capacitors

  • TypeATX
  • Maximum Power850 W
  • Fans1 x 140mm FDB Bearing Fan
  • PFCActive
  • Main Connector20+4Pin
  • +12V Rails4
  • Full modular cabling simplifies builds and improves airflow
  • 80 PLUS Gold certification delivers up to 90% efficiency
  • 140 mm FDB fan meets Cybenetics Standard++ for quiet operation
  • Six PCIe 6+2-pin connectors support multi-GPU configurations
  • Comprehensive protection suite includes OCP, OVP, OPP, OTP, SCP, UVP

850W ATX power supply for gaming builds

The MSI MPG A850GF is a fully modular ATX unit rated at 850 W. It carries 80 PLUS Gold certification and uses 100% Japanese 105°C electrolytic capacitors. A single 140 mm FDB fan provides cooling while meeting Cybenetics Standard++ noise levels. The 160 mm depth fits most mid-tower cases.

Suits single-GPU systems needing clean cable routing

Six PCIe 6+2-pin connectors and two CPU 4+4-pin cables support modern graphics cards and multi-core processors. Eight SATA and five peripheral plugs cover storage and accessories. Builders who require dual-GPU power or extreme overclocking headroom should consider higher-wattage models.

Holds steady output under continuous load

The LLC half-bridge topology with DC-DC modules delivers stable voltages across four +12 V rails rated at 25 A, 25 A, 40 A and 40 A. Minor rails supply 22 A each on +5 V and +3.3 V. Active PFC and a full suite of protections (OCP, OVP, OPP, OTP, SCP, UVP) maintain safe operation during extended gaming sessions.

Points forts

  • Full modular cabling simplifies builds and improves airflow
  • 80 PLUS Gold certification delivers up to 90% efficiency
  • 140 mm FDB fan meets Cybenetics Standard++ for quiet operation
  • Six PCIe 6+2-pin connectors support multi-GPU configurations
  • Comprehensive protection suite includes OCP, OVP, OPP, OTP, SCP, UVP

Caractéristiques

BrandMSI
ModelMPG A850GF
TypeATX
Maximum Power850 W
Fans1 x 140mm FDB Bearing Fan
PFCActive
Main Connector20+4Pin
+12V Rails4
PCI-Express Connector6 x 6+2-Pin
SATA Power Connector8
Max PSU Length160 mm
ModularFull Modular
EfficiencyUp to 90%
Energy-Efficient80 PLUS GOLD Certified
PSU Noise LevelCybenetics Standard ++
ProtectionOCP / OVP / OPP / OTP / SCP / UVP
Input Voltage100 - 240 V
Input Frequency Range47 - 63 Hz
Input Current10A @ 115V, 5A @ 230V
Output+5V@22A, +3.3V@22A, +12VMBPH@25A, +12VCPU@25A, +12VVGA1@40A, +12VVGA2@40A, [email protected] , [email protected]
Connectors1 x ATX/MB 24 Pin
2 x CPU/EPS 4+4 Pin
6 x PCI-e 6+2 Pin
8 x SATA
5 x Peripheral
SLINo
CrossFireNo
FeaturesFull Module Cable design
Flat Cable equipment
80 Plus Gold Certified for High Efficiency
100% all Japanese 105oC capacitor
Active PFC design
10-year warranty
Supports latest Nvidia graphic card design
Industrial level protection with OVP,OCP,OPP,OTP, SCP,UVP
LLC Half Bridge Topology with DC-DC Module Design
Dimensions3.39" x 5.91" x 6.30"
Poids d’expédition2.86 kg
Dimensions du colis291 × 208 × 132 mm

Questions sur cet article

What motherboard power connector must my board provide for the 20+4Pin main cable?

Your motherboard needs a standard 24-pin ATX socket; the 20+4Pin cable splits to fit both 20-pin and 24-pin headers.

Can I keep my existing SATA drives with the eight SATA power connectors?

Yes, the unit supplies eight SATA power plugs, each delivering the rated +5 V and +3.3 V rails for legacy drives.

How do I verify the fan is running in its low-noise Cybenetics Standard ++ mode after install?

Listen for the 140 mm FDB bearing fan; at typical loads it spins quietly, and the Cybenetics Standard ++ rating confirms low acoustic output.

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