Skip to main content
850W Fully Modular Power Supply, 80+ Gold PSU, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, RGB Low-Noise Smart Fan, 105°C-Rated Capacitors, Black
Auotac

850W Fully Modular Power Supply, 80+ Gold PSU, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, RGB Low-Noise Smart Fan, 105°C-Rated Capacitors, Black

$79.99

*Price sourced from Amazon.com. Last updated 2026-08-12. Price and availability subject to change.

Bottom line: The 850W Fully Modular Power Supply, 80+ Gold PSU, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, RGB Low-Noise Smart Fan, 105°C-Rated Capacitors, Black is a niche pick — read recent reviews before buying in the power supplies category, priced around $79.99. Read recent reviews carefully before committing.

SpecPicks Verdict

SpecPicks classifies 850W Fully Modular Power Supply, 80+ Gold PSU, ATX 3.1 & PCIe 5.1… as a niche pick — read recent reviews before buying in the power supplies category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Auotac's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

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

  • ✓ 10-Year Limited Warranty – Guaranteeing long-term reliable operation.
  • ✓ Backed by Auotac's warranty and support channels
  • ✓ 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

  • 80 PLUS GOLD CERTIFIED: Delivering gold-level performance with 92% efficiency, ensuring effective power transmission to your components.
  • Fully Modular Design: Unique dragon-pattern fully modular cables cut redundant wiring to tidy your chassis, improve airflow and optimize system heat dissipation. With dimensions of 150×150×86mm (5.91×5.91×3.39in), the PSU fits most mainstream ATX cases.
  • Support ATX 3.1 & PCIe 5.1: Compliant with the ATX 3.1 standard to fuel high-performance PC components with stability, efficiency, and power spike resistance. Meanwhile, supporting PCIe 5.1 platform withstands 2x transient power excursions from the GPU.
  • Dual-Colour 16-Pin Cable: The Dual-color dragon-pattern 12V-2x6 PCI-E 5.1 cable for modern high-end graphics cards. With yellow connector can easily show you whether the cable has been plugged in properly.
  • RGB Silent Fan & RGB Lighting Model: This 140mm low-noise fan comes with a silent mode, it outperforms standard 120mm fans in terms of quietness, heat dissipation capability and durability. What's more, the psu features ARGB lighting model, allowing you to adjust the lights style according to your needs.
  • 105°C-Rated Capacitors: Pc power supply adopts 100% Japanese-made 105℃ electrolytic capacitors, which feature extremely high reliability and durability, enabling maximum power supply stability and unwavering performance at the esports level.

Full Specifications

BrandAuotac
Wattage850 watts
Model NameS-850MZ 850A-GR
Unit Count1 Count
Form FactorATX
Model NumberS-850MZ 850A-GR
CompatibilityPC
Connector TypeATX
Cooling MethodAir
Number of Fans1
Output Wattage850 watts
Item Dimensions6 x 6 x 3.7 inches
Compatible DevicesPersonal Computer
Power Supply DesignFull Modular

Ready to buy?

850W Fully Modular Power Supply, 80+ Gold PSU, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2x6 Cable, RGB Low-Noise Smart Fan, 105°C-Rated Capacitors, Black 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.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-08-12. Price and availability subject to change.

Related Power Supplies

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →