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Thermaltake Toughpower GT 1200W; ATX 3.1; x2 Native PCIe 5.1 12V-2x6; Full Modular; Flat Cables; Color Matched Connectors; Japanese Main Capacitors; 80 Plus Gold; 140mm; Snow; PS-TPT-1200FNFAGU-W
Thermaltake

Thermaltake Toughpower GT 1200W; ATX 3.1; x2 Native PCIe 5.1 12V-2x6; Full Modular; Flat Cables; Color Matched Connectors; Japanese Main Capacitors; 80 Plus Gold; 140mm; Snow; PS-TPT-1200FNFAGU-W

Bottom line: The Thermaltake Toughpower GT 1200W; ATX 3.1; x2 Native PCIe 5.1 12V-2x6; is a specs-and-price decision rather than a crowd-consensus one in the power supplies category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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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

  • ✓ Backed by Thermaltake's warranty and support channels

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

Designed to deliver the power you need in a smaller package, the Toughpower GT 1200W Snow delivers 80 Plus Gold efficiency while meeting ATX 3.1 spec demands. Equipped with two Native PCIe 5.1 12V-2x6 connectors 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 1200W; ATX 3.1; x2 Native PCIe 5.1… using a rating × review-volume × price-fit model applied to published specs and reviews 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. 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 1200W 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 two native PCIe 12V-2x6 cables capable of delivering up to 600W to meet future needs and demands for power.
  • 【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
Wattage1200 watts
Model NameToughpower GT Snow 1200W
Form FactorATX
Model NumberPS-TPT-1200FNFAGU-W
Connector TypeATX
Cooling MethodFan
Number of Fans1
Output Wattage1200 watts
Item Dimensions5.9 x 5.5 x 3.4 inches
Mfr Part NumberPS-TPT-1200FNFAGU-W
Number of Items1
Compatible DevicesPC
Power Supply DesignFull Modular
Warranty Description5 Year Manufacturer
Maximum Input Voltage240 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 1200W; ATX 3.1; x2 Native PCIe 5.1 12V-2x6; Full Modular; Flat Cables; Color Matched Connectors; Japanese Main Capacitors; 80 Plus Gold; 140mm; Snow; PS-TPT-1200FNFAGU-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 1200W; ATX 3.1; x2 Native PCIe 5.1 12V-2x6; Full Modular; Flat Cables; Color Matched Connectors; Japanese Main Capacitors; 80 Plus Gold; 140mm; Snow; PS-TPT-1200FNFAGU-W
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