We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
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

  • Max wattage850 W
  • Power efficiencyUp to 90%
  • Modular cablingFull Modular
  • Fan configuration1 × 140 mm FDB Bearing Fan
  • Power factor correctionActive
  • Main power connector20+4Pin
  • 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.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $110.99
Cheaper than about 63% of the 10,869 comparable items (median $142.99).
Max wattage 850 W
Typical for this category: the median of 930 items is 850 W.

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameMSI
Model nameMPG A850GF
Product typeATX
Graphics
SLI supportNo
CrossFire supportNo
Ports & slots
PCIe power connectors6 × 6+2-Pin
SATA power connectors8
Output type+5 V@22A, +3.3 V@22A, +12VMBPH@25A, +12VCPU@25A, +12VVGA1@40A, +12VVGA2@40A
Connection types1 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
Power
Max wattage850 W
Power efficiencyUp to 90%
Modular cablingFull Modular
Power factor correctionActive
Main power connector20+4Pin
12V rails4
Efficiency certification80 PLUS GOLD Certified
Built-in protectionOCP / OVP / OPP / OTP / SCP / UVP
Supply voltage100–240 V
AC input frequency47–63 Hz
Rated input current10A @ 115 V, 5A @ 230 V
Size & build
Product dimensions3.39 in × 5.91 in × 6.3 in
Shipping weight2.86 kg
Package size291 × 208 × 132 mm
Compatibility
PSU length limit160 mm
Environment & compliance
PSU noise ratingCybenetics Standard ++
More details
Fan configuration1 × 140 mm FDB Bearing Fan

Questions about this item

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.

More in ATX Desktop Power Supplies

Similar items