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GIGABYTE 850W PSU - 80 Plus Gold Certified - Fully Modular Power Supply (GP-UD850GM-A)

GIGABYTE 850W PSU - 80 Plus Gold Certified - Fully Modular Power Supply (GP-UD850GM-A)

Bottom line: The GIGABYTE 850W PSU is a specs-and-price decision rather than a crowd-consensus one in the power supplies category, priced around $89.99 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

$89.99

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Buy on Amazon — $89.99 Compare to similar power supplies

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

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ 850W Capactiy with Single +12V Rail

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

The GP-UD850GM-A introduces a variety of high-quality materials and top-notch design. Enjoy unrivaled performance with Japanese capacitors, and a +12V Single Rail which will provide exceptional power output and stability for your system.

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SpecPicks Verdict

SpecPicks scored GIGABYTE 850W PSU using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Compare with similarly-priced alternatives in the power supplies 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 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.

Key Features

  • 850W Capactiy with Single +12V Rail
  • 80 Plus Gold Certified
  • ATX Form Factor
  • Fully Modular Design
  • Japanese Capacitors
  • 120mm Hydraulic Bearing Fan

Full Specifications

BrandGIGABYTE
Wattage850 watts
Model NameGP-UD850GM-A
Unit Count1.0 Count
Form FactorATX
Model NumberGP-UD850GM-A
Connector TypeATX, PCI Express
Cooling MethodAir
Output Wattage850 Watts
Item Dimensions12.4 x 8.1 x 4.6 inches
Mfr Part NumberGP-UD850GM-A
Compatible DevicesGaming Console
Power Supply DesignFull Modular
Warranty Description5 Year Manufacturer
Maximum Input Voltage240 Volts (AC)
Minimum Input Voltage100 Volts (AC)
Item dimensions L x W x H12.4 x 8.1 x 4.6 inches
System Bus Connector Type20+4 Pin
Connector Type Used on CableATX, PCI Express

Ready to buy?

GIGABYTE 850W PSU - 80 Plus Gold Certified - Fully Modular Power Supply (GP-UD850GM-A) 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.

Buy on Amazon — $89.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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GIGABYTE 850W PSU - 80 Plus Gold Certified - Fully Modular Power Supply (GP-UD850GM-A)
$89.99
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