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MSI MAG A850GL PCIE5 White, Fully Modular Compact Gaming 850W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, 10 Year Warranty

MSI MAG A850GL PCIE5 White

Bottom line: The MSI MAG A850GL PCIE5 White: 80 PLUS Gold certified for high efficiency under sustained gaming load; main trade-off: listing conflicts on warranty: title says 10 years, features say 5.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ 80 PLUS Gold certified for high efficiency under sustained gaming load
  • ✓ Native dual-color 12V-2x6 cable — no PCIe adapter bundle behind the GPU
  • ✓ ATX 3.1 and PCIe 5.1 ready for modern high-transient graphics cards
  • ✓ Fully modular — install only the cables your build needs
  • ✓ White chassis for light-themed builds, uncommon at 850W

Cons

  • ✗ Listing conflicts on warranty: title says 10 years, features say 5
  • ✗ No brand field or model-year data listed — hard to confirm which revision ships
  • ✗ 850W caps headroom for dual-GPU or extreme overclocked configurations
  • ✗ Compact ATX size is not SFX/SFX-L — will not fit true SFF cases

Manufacturer description

The MSI MAG A850GL PCIE5 White is a compact 850W ATX power supply built for current-generation GPUs that ask for a native 12V-2x6 connection. It is 80 PLUS Gold certified, so a high share of the wall power it draws reaches your components rather than escaping as heat, and the fully modular cable set means you only install the leads your build actually uses — a real advantage in small-form-factor cases where the shroud is tight. ATX 3.1 and PCIe 5.1 readiness matter if you are pairing this MSI PSU with a modern high-transient graphics card, and the native dual-color 12V-2x6 cable removes the…

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SpecPicks Verdict

SpecPicks scored MSI MAG A850GL PCIE5 White using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies & cables category. Compare with similarly-priced alternatives in the power supplies & cables category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies & cables of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

Is 850W enough for an RTX 5090 or similar high-end GPU?

850W with ATX 3.1 and PCIe 5.1 support targets a single high-end GPU plus a mainstream CPU. Check your specific GPU maker's recommended PSU wattage before buying, since flagship cards vary.

Do I need an adapter for a 12VHPWR/12V-2x6 graphics card?

No. This unit ships a native dual-color 12V-2x6 cable that runs straight from the PSU to the card, so no 8-pin-to-12VHPWR adapter is required.

What warranty does this MSI power supply come with?

The listing is inconsistent: the product title advertises a 10 year warranty while the feature bullets state a 5-year limited warranty. Confirm the current term on the product listing or with MSI before purchase.

Is it fully modular or semi-modular?

Fully modular. Every cable detaches at the PSU, so you can leave unused SATA and peripheral leads out of the case entirely for cleaner routing and better airflow.

Key Features

  • 80 PLUS GOLD CERTIFIED
  • 5-year limited warranty, guaranteeing long term reliable operation
  • Fully modular design
  • PCIE 5.1

Full Specifications

Brandmsi
Wattage850 watts
Model NameMAG A850GL
Unit Count1 Count
Form FactorATX
Model NumberMAG A850GL PCIE5 WHITE
Built-In MediaItem
Connector TypeATX
Cooling MethodAir
Number of Fans2
Output Wattage850
Item Dimensions11.5 x 9.25 x 5 inches
Mfr Part NumberMAG A850GL PCIE5 WHITE
Number of Items1
Compatible DevicesDesktop Computer
Power Supply DesignFull Modular
Warranty Description10 Year Limited Manufacturer
Maximum Input Voltage100 volts_of_alternating_current
Minimum Input Voltage100 volts_of_alternating_current
Item dimensions L x W x H11.5 x 9.25 x 5 inches
Full listing titleMSI MAG A850GL PCIE5 White, Fully Modular Compact Gaming 850W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, 10 Year Warranty

Ready to buy?

MSI MAG A850GL PCIE5 White, Fully Modular Compact Gaming 850W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, 10 Year Warranty is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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MSI MAG A850GL PCIE5 White, Fully Modular Compact Gaming 850W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, 10 Year Warranty
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