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Thermaltake Toughpower GF A3 1200W, True 600W 12V-2x6 Connectors on PSU & NVIDIA RTX 50 Series, ATX 3.1/PCI-E 5.1, 80+ Gold, SLI/Crossfire Ready Power Supply, PS-TPD-1200FNFAGU-L, 10 Year Warranty
Thermaltake

Thermaltake Toughpower GF A3 1200W

Bottom line: The Thermaltake Toughpower GF A3 1200W ($132.98 on Amazon as of 2026-10-06): Native 12V-2x6 connector delivers 600W to RTX 50 Series GPUs without adapters; main trade-off: 1200W is overkill for mid-range builds drawing under 600W total.

$132.98

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Buy on Amazon — $132.98 Compare to similar power supplies & cables

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Native 12V-2x6 connector delivers 600W to RTX 50 Series GPUs without adapters
  • ✓ ATX 3.1 and PCIe 5.1 compliant, built for current transient power spikes
  • ✓ 80 Plus Gold certified for efficiency under sustained gaming loads
  • ✓ High-amperage single +12V rail simplifies multi-GPU and SLI/Crossfire wiring

Cons

  • ✗ 1200W is overkill for mid-range builds drawing under 600W total
  • ✗ Gold rating trails Platinum and Titanium units in efficiency
  • ✗ Flat modular cables still add bulk in compact SFF cases
  • ✗ Recommended-wattage marking on the connector is an estimate, not a guarantee

Manufacturer description

Toughpower GF A3 Gold series comes with a 16pin connector to offer powerful and stable performance allowing the PSU to natively run next-generation GPUs. The wattage marked on the 12V-2x6 connector is the recommended wattage. (Ref. Intel design guideline) The native 16 PIN (12V-2x6) PCIe connector of the GF A3 1200W can deliver up to 600W for PCIe 5.1 graphics cards. Note: 1. Recommended wattage is an estimation of system power demand. Actual power demands may vary based on specific components, usage, and many other factors. 2. Please follow the recommended power requirements from the GPU…

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SpecPicks Verdict

SpecPicks scored Thermaltake Toughpower GF A3 1200W using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies & cables category. Thermaltake's power supplies & cables 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 & cables 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

  • 80 Plus Gold Certified and Fully Compatible with Intel ATX 3.1 Standards
  • PCIe Gen 5.1 Ready with 12V-2x6 Connector
  • Made to Comply with the Latest Graphics Cards
  • High Amperage Single +12V Rail & High-Class Technologies
  • Fully Modular Low-Profile Flat Cables

Full Specifications

BrandThermaltake
Wattage1200 watts
Model NameGF A3 1200
Unit Count1 Count
Form FactorATX
Model NumberPS-TPD-1200FNFAGU-L
Connector TypeATX, PCI Express
Cooling MethodAir
Number of Fans1
Output Wattage1200 watts
Item Dimensions5.9 x 3.4 x 5.5 inches
Mfr Part NumberPS-TPD-1200FNFAGU-L
Number of Items1
Compatible DevicesPersonal Computer
Power Supply DesignFull Modular
Warranty Description10 Year Manufacturer
Maximum Input Voltage240 volts_of_alternating_current
Minimum Input Voltage100 volts_of_alternating_current
Item dimensions L x W x H5.9 x 3.4 x 5.5 inches
System Bus Connector TypeATX
Full listing titleThermaltake Toughpower GF A3 1200W, True 600W 12V-2x6 Connectors on PSU & NVIDIA RTX 50 Series, ATX 3.1/PCI-E 5.1, 80+ Gold, SLI/Crossfire Ready Power Supply, PS-TPD-1200FNFAGU-L, 10 Year Warranty

Ready to buy?

Thermaltake Toughpower GF A3 1200W, True 600W 12V-2x6 Connectors on PSU & NVIDIA RTX 50 Series, ATX 3.1/PCI-E 5.1, 80+ Gold, SLI/Crossfire Ready Power Supply, PS-TPD-1200FNFAGU-L, 10 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.

Buy on Amazon — $132.98

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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Thermaltake Toughpower GF A3 1200W, True 600W 12V-2x6 Connectors on PSU & NVIDIA RTX 50 Series, ATX 3.1/PCI-E 5.1, 80+ Gold, SLI/Crossfire Ready Power Supply, PS-TPD-1200FNFAGU-L, 10 Year Warranty
$132.98
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