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Thermaltake Toughpower GT 850W Snow ATX 3.1 Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 600W PCIe 5.1 Connector; PS-TPT-0850FNFAGU-W; 5 Year Warranty
Thermaltake

Thermaltake Toughpower GT 850W Snow ATX 3.1 Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 600W PCIe 5.1 Connector; PS-TPT-0850FNFAGU-W; 5 Year Warranty

By , 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.

$99.99

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View Current Price on Amazon → Compare to similar power supplies

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.

Bottom line: The Thermaltake Toughpower GT 850W Snow ATX 3.1 Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 600W PCIe 5.1 Connector; PS-TPT-0850FNFAGU-W; 5 Year Warranty is a niche pick — read recent reviews before buying in the power supplies category, priced around $99.99. Compare close alternatives before committing.

The Toughpower GT Snow Series brings high-performance power delivery with a sleek white finish. Available in 750W and 850W models, these PSUs feature 80 PLUS Gold efficiency, support for the latest ATX 3.1 and PCIe Gen 5.1 standards, and come with a native 12V-2x6 (12+4 pin) connector. Equipped with Smart Zero Fan technology and a 120mm hydraulic bearing fan, they provide quiet operation and reliable power. Fully modular and backed by a 5-year warranty, the Toughpower GT Snow Series is perfect for stylish, high-performance builds. •P/N: PS-TPT-0850FNFAGU-W •MODEL: TPD-850AH2FXG-3 •Watts…

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SpecPicks Verdict

SpecPicks scored Thermaltake Toughpower GT 850W Snow ATX 3.1 Power Supply; 80 Plus… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the power supplies category. Thermaltake's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. 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

  • ✓ Backed by Thermaltake'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 Efficiency & ATX 3.1 Compliant: Up to 90% efficiency with ATX 3.1 compliance for reliable power and reduced energy use.
  • Fully Modular Design: Low-profile white cables simplify cable management and improve airflow.
  • Native PCIe 5.1 Connector: Equipped with 12V-2x6 (12+4 pin) for next-gen GPU compatibility.
  • Smart Zero Fan with Quiet Operation: 120mm hydraulic bearing fan with Smart Zero Fan function ensures silent performance at low loads.
  • Comprehensive Safety Protections: Includes OCP, OVP, UVP, OPP, OTP, and SCP for system safety.

Full Specifications

BrandThermaltake
Wattage850 watts
Fan Size12 centimeters
Model NameToughpower GT Snow 850
Unit Count1 Count
Form FactorATX
Model NumberTPD-850AH2FXG-3
Connector TypeATX, Molex, PCI Express, SATA
Cooling MethodAir
Number of Fans1
Output Wattage850 watts
Item Dimensions5.9 x 5.5 x 3.4 inches
Mfr Part NumberPS-TPT-0850FNFAGU-W
Compatible DevicesPC
Connector Quantity5
Power Supply DesignFull Modular
Fully Modular DesignLow-profile white cables simplify cable management and improve airflow.
Warranty Description5 Year Manufacturer
Maximum Input Voltage240 volts_of_alternating_current
Minimum Input Voltage100 volts_of_alternating_current

Ready to buy?

Thermaltake Toughpower GT 850W Snow ATX 3.1 Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 600W PCIe 5.1 Connector; PS-TPT-0850FNFAGU-W; 5 Year Warranty 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 2026-04-20. Price and availability subject to change.

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Thermaltake Toughpower GT 850W Snow ATX 3.1 Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 600W PCIe 5.1 Connector; PS-TPT-0850FNFAGU-W; 5 Year Warranty
$99.99
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