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Thermaltake Toughpower GT 750W ATX 3.1 Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 300W PCIe 5.1 Connector; PS-TPT-0750FNFAGU-3; 5 Year Warranty
Thermaltake

Thermaltake Toughpower GT 750W ATX 3.1 Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 300W PCIe 5.1 Connector; PS-TPT-0750FNFAGU-3; 5 Year Warranty

Bottom line: The Thermaltake Toughpower GT 750W ATX 3.1 Standard Power Supply; 80 Plus: Native 300W 12V-2x6 PCIe 5.1 cable runs RTX 40/50-series without adapters; main trade-off: 750W ceiling is tight for a 4090/5090 plus a high-core-count CPU.

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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

  • ✓ Native 300W 12V-2x6 PCIe 5.1 cable runs RTX 40/50-series without adapters
  • ✓ ATX 3.1 spec handles GPU transient spikes without tripping OCP
  • ✓ 80 PLUS Gold, up to 90% efficiency, so less waste heat in the case
  • ✓ Smart Zero Fan keeps it silent at idle and light gaming loads
  • ✓ Fully modular with flat black cables for cleaner routing and airflow

Cons

  • ✗ 750W ceiling is tight for a 4090/5090 plus a high-core-count CPU
  • ✗ Zero-fan mode lets heat soak build during long low-load sessions
  • ✗ Single +12V rail offers no per-rail fault isolation for multi-GPU rigs
  • ✗ 5-year warranty trails the 10-12 years on competing Gold units

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SpecPicks Verdict

SpecPicks scored Thermaltake Toughpower GT 750W ATX 3.1 Standard Power Supply; 80… 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 and PCIe 5.1 Support: Fully compatible with Intel ATX 3.1 specifications, with native PCIe 12V-2x6 (12+4 pin) connectors for modern GPUs.
  • 80 PLUS Gold Efficiency: Provides up to 90% efficiency, reducing energy consumption and heat output during operation.
  • Smart Zero Fan Technology: Automatically adjusts fan speed based on load, minimizing noise during low-load operations.
  • Fully Modular Design: Includes low-profile flat black cables, making cable management easier and improving airflow inside your case.
  • High Amperage Single +12V Rail: Provides reliable and stable power delivery, optimized for high-end gaming and workstation builds.

Full Specifications

BrandThermaltake
Wattage750 watts
Model NameToughpower GT 750
Form FactorATX
Connector TypeATX, Molex, PCI Express, SATA
Cooling MethodAir
Output Wattage750 Watts
Compatible DevicesPC
Fully Modular DesignIncludes low-profile flat black cables, making cable management easier and improving airflow inside your case.
80 PLUS Gold EfficiencyProvides up to 90% efficiency, reducing energy consumption and heat output during operation.
Item dimensions L x W x H5.9 x 3.4 x 5.5 inches
Smart Zero Fan TechnologyAutomatically adjusts fan speed based on load, minimizing noise during low-load operations.
ATX 3.1 and PCIe 5.1 SupportFully compatible with Intel ATX 3.1 specifications, with native PCIe 12V-2x6 (12+4 pin) connectors for modern GPUs.
High Amperage Single +12V RailProvides reliable and stable power delivery, optimized for high-end gaming and workstation builds.

Ready to buy?

Thermaltake Toughpower GT 750W ATX 3.1 Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 300W PCIe 5.1 Connector; PS-TPT-0750FNFAGU-3; 5 Year Warranty 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 750W ATX 3.1 Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 300W PCIe 5.1 Connector; PS-TPT-0750FNFAGU-3; 5 Year Warranty
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