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; Black; PS-TPT-1200FNFAGU-3

Name: Thermaltake Toughpower GT 1200W; ATX 3.1; x2 Native PCIe 5.1 12V-2x6; Full Modular; Flat Cables; Color Matched Connectors; Japanese Main Capacitors
Brand: Unbranded
SKU: B0FK36N2T3

Status: Thermaltake Toughpower GT 1200W; ATX 3.1; x2…: Unavailable on Amazon as of 2026-10-06 22:20 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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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.

Unavailable on Amazon as of 2026-10-06 22:20 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: MSI MAG A850GL PCIE5 — $109.99 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

View Current Price — $109.99

Similar: Thermaltake Toughpower GT 1000W; ATX 3.1; Native… — $139.99 on Amazon as of 2026-10-07 04:20 UTC (price may vary).

View Current Price — $139.99

Similar: Thermaltake Toughpower GF3 1200W; ATX 3.1; x2… — $194.99 on Amazon as of 2026-10-06 12:20 UTC (price may vary).

View Current Price — $194.99

Original listing (currently unavailable) → Compare to similar power supplies

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

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. About the author →

Before you buy

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 Black 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

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. 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 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

Brand	Thermaltake
Wattage	1200 watts
Model Name	Toughpower GT 1200W
Unit Count	1 Count
Form Factor	ATX
Model Number	PS-TPT-1200FNFAGU-3
Connector Type	ATX
Cooling Method	Fan
Number of Fans	1
Output Wattage	1200 watts
Item Dimensions	5.9 x 5.5 x 3.4 inches
Mfr Part Number	PS-TPT-1200FNFAGU-3
Compatible Devices	PC
Power Supply Design	Full Modular
Warranty Description	5 Year Manufacturer
Maximum Input Voltage	240 volts_of_alternating_current
Item dimensions L x W x H	5.9 x 5.5 x 3.4 inches
System Bus Connector Type	20 Pin
Connector Type Used on Cable	ATX

Ready to buy?

Amazon shows no buyable offer for Thermaltake Toughpower GT 1200W; ATX 3.1; x2… at the last check. A similar in-stock product is MSI MAG A850GL PCIE5. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $109.99