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GIGABYTE 850W PSU - 80 Plus Gold Certified - PCie 5.0 and ATX 3.1 Ready - Fully Modular Power Supply (GP-UD850GM-A PG5)

Name: GIGABYTE 850W PSU - 80 Plus Gold Certified - PCie 5.0 and ATX 3.1 Ready - Fully Modular Power Supply (GP-UD850GM-A PG5)
Brand: Unbranded
SKU: B0DVBWP6K8
Price: 89.90 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$89.90

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View Current Price on Amazon → Compare to similar power supplies

*Price sourced from Amazon.com. Last updated 2026-08-19. Price and availability subject to change.

Bottom line: The GIGABYTE 850W PSU - 80 Plus Gold Certified - PCie 5.0 and ATX 3.1 Ready - Fully Modular Power Supply (GP-UD850GM-A PG5) is a niche pick — read recent reviews before buying in the power supplies category, priced around $89.90. Compare close alternatives before committing.

The GP-UD850GM-A PG5 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.

SpecPicks Verdict

SpecPicks scored GIGABYTE 850W PSU - 80 Plus Gold Certified - PCie 5.0 and ATX 3.1… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power supplies category. Compare with similarly-priced alternatives in the power supplies category before committing. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ 850W Capactiy with Single +12V Rail
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

850W Capactiy with Single +12V Rail
80 Plus Gold Certified
ATX 3.1 and PCIe Gen 5.0 Ready
ATX Form Factor
Fully Modular Design
Japanese Capacitors

Full Specifications

Brand	GIGABYTE
Wattage	850 watts
Model Name	GP-UD850GM-A PG5
Unit Count	1 Count
Form Factor	ATX
Model Number	GP-UD850GM-A PG5
Connector Type	ATX, PCI Express
Cooling Method	Air
Number of Fans	1
Output Wattage	850 watts
Item Dimensions	5.9 x 5.5 x 3.4 inches
Mfr Part Number	GP-UD850GM-A PG5
Number of Items	1
Compatible Devices	Desktop PC, Gaming Workstation, Motherboards (ATX, mATX, ITX), Graphics Cards, Processors, and other internal components
Power Supply Design	Full Modular
Warranty Description	5 Year Manufacturer
Maximum Input Voltage	132 volts_of_alternating_current
Minimum Input Voltage	90 volts_of_alternating_current
Item dimensions L x W x H	5.9 x 5.5 x 3.4 inches
System Bus Connector Type	ATX

Ready to buy?

GIGABYTE 850W PSU - 80 Plus Gold Certified - PCie 5.0 and ATX 3.1 Ready - Fully Modular Power Supply (GP-UD850GM-A PG5) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-08-19. Price and availability subject to change.