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Thermaltake Toughpower GT 1000W; ATX 3.1; Native PCIe 5.1 12V-2x6; Full Modular; Flat Cables; Color Matched Connectors; Japanese Main Capacitors; 80 Plus Gold; 140mm; Snow; PS-TPT-1000FNFAGU-W

Thermaltake Toughpower GT 1000W; ATX 3.1; Native PCIe 5.1 12V-2x6; Full Modular; Flat Cables; Color Matched Connectors; Japanese Main Capacitors; 80 Plus Gold; 140mm; Snow; PS-TPT-1000FNFAGU-W

Bottom line: The Thermaltake Toughpower GT 1000W; ATX 3.1; Native PCIe 5.1 12V-2x6;: ATX 3.1 rated for up to 3x GPU and 2x total power excursions; main trade-off: rated 80 Plus Gold, not Platinum or Titanium.

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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.

Pros & Cons

Pros

  • ✓ ATX 3.1 rated for up to 3x GPU and 2x total power excursions
  • ✓ Native PCIe 5.1 12V-2x6 cable delivers up to 600W to modern GPUs
  • ✓ Just 140mm long, so it fits tight mid-tower PSU bays
  • ✓ Fully modular flat cables with color-matched connectors for cleaner routing
  • ✓ Japanese main capacitors, 80 Plus Gold, and a Smart Zero Fan mode

Cons

  • ✗ Rated 80 Plus Gold, not Platinum or Titanium
  • ✗ ATX 140mm form factor won't fit cases that only take SFX PSUs
  • ✗ Only one native 12V-2x6 lead, which limits dual 12V-2x6 GPU builds
  • ✗ Snow white finish clashes with all-black build themes

Manufacturer description

Designed to deliver the power you need in a smaller package, the Toughpower GT 1000W Snow delivers 80 Plus Gold efficiency while meeting ATX 3.1 spec demands. Equipped with a Native PCIe 5.1 12V-2x6 connector for best performance with modern GPUs. Coming in at 140mm in length, plus utilizing full modular color matched flat cables and connectors, fitment and cable routing is a breeze.

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SpecPicks Verdict

SpecPicks scored Thermaltake Toughpower GT 1000W; ATX 3.1; Native PCIe 5.1 12V-2x6… 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

  • 【ATX 3.1】Built to ATX 3.1 specifications means the Toughpower GT 1000W is capable of handling up to 3x GPU power excursions and up to 2x total power excursions, while maintaining low load efficiency as well.
  • 【Native 5.1 12V-2x6】Featuring a native PCIe 12V-2x6 cable capable of delivering up to 600W to meet power demands for modern GPUs.
  • 【Perfect Fit】Great for systems that are low on space but not necessarily SFF in size the Toughpower GT is ideal thanks to its 140mm length and full modular cable set.
  • 【Stylish Flexiblity】 The included Full Modular cable set now features flat cables with color matched connectors to provide an improvement in flexibility for routing and management.
  • 【Cool and Quiet】Providing cooling is a hydraulic bearing 120mm fan tuned to provide good airflow and low noise, and for even less noise utilize the Smart Zero Fan mode.

Full Specifications

BrandThermaltake
Wattage1000 watts
Model NameToughpower GT Snow 1000W
Form FactorATX
Model NumberPS-TPT-1000FNFAGU-W
Connector TypeATX
Cooling MethodFan
Number of Fans1
Output Wattage1000 watts
Item Dimensions5.9 x 5.5 x 3.4 inches
Mfr Part NumberPS-TPT-1000FNFAGU-W
Compatible DevicesPC
Power Supply DesignFull Modular
Warranty Description5 Year Manufacturer
Maximum Input Voltage120 volts_of_alternating_current
Item dimensions L x W x H5.9 x 5.5 x 3.4 inches
System Bus Connector Type20 Pin
Connector Type Used on CableATX

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Thermaltake Toughpower GT 1000W; ATX 3.1; Native PCIe 5.1 12V-2x6; Full Modular; Flat Cables; Color Matched Connectors; Japanese Main Capacitors; 80 Plus Gold; 140mm; Snow; PS-TPT-1000FNFAGU-W 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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Thermaltake Toughpower GT 1000W; ATX 3.1; Native PCIe 5.1 12V-2x6; Full Modular; Flat Cables; Color Matched Connectors; Japanese Main Capacitors; 80 Plus Gold; 140mm; Snow; PS-TPT-1000FNFAGU-W
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