Skip to main content
Thermaltake Toughpower GF3 850W; ATX 3.1; Native PCIe 5.1 12V-2x6; Flat Cables; Color Matched Connectors; Japanese Main Capacitors; 135mm Fan; 80 Plus Gold Certified; Black; PS-TPD-0850FNFAGU-4
Thermaltake

Thermaltake Toughpower GF3 850W; ATX 3.1; Native PCIe 5.1 12V-2x6; Flat Cables; Color Matched Connectors; Japanese Main Capacitors; 135mm Fan; 80 Plus Gold Certified; Black; PS-TPD-0850FNFAGU-4

Bottom line: The Thermaltake Toughpower GF3 850W; ATX 3.1; Native PCIe 5.1 12V-2x6; ($123.99 on Amazon as of 2026-10-06): Native PCIe 5.1 12V-2x6 cable delivers up to 600W to modern GPUs; main trade-off: 850W ceiling limits RTX 5090-class or dual-GPU headroom.

$123.99

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Buy on Amazon — $123.99 Compare to similar power supplies

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.

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

Pros & Cons

Pros

  • ✓ Native PCIe 5.1 12V-2x6 cable delivers up to 600W to modern GPUs
  • ✓ ATX 3.1 rated for 3x GPU and 2x total power excursions
  • ✓ 80 Plus Gold efficiency with Japanese main capacitors
  • ✓ Fully modular flat cables with color-matched connectors
  • ✓ Matcha H++ connector hides when the plug is fully seated

Cons

  • ✗ 850W ceiling limits RTX 5090-class or dual-GPU headroom
  • ✗ Gold tier, not Platinum or Titanium efficiency
  • ✗ No zero-RPM semi-fanless mode stated for the 135mm fan
  • ✗ Warranty length not listed in the product context

Manufacturer description

A golden choice for your next system the Toughpower GF3 lineup bring plenty of new features while still delivering stable power at 80 Plus Gold Efficiency. Sporting H++ Dual-color Matcha 12V-2x6 Native connectors, ATX 3.1 spec, compact size, and 80 Plus Gold Certification just to name a few. On top of that enjoy industry grade protections like OCP, OVP, UVP, OPP, OTP, and SCP to keep your build safe. As a new added touch we added in a custom 135mm Future Dusk fan to keep things cool.

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored Thermaltake Toughpower GF3 850W; 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. 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

  • 【Future Dusk 135mm Fan】Sporting a unique 135mm Future Dusk colored fan to not only keep the internals running cool and efficiently but also add a bit of style.
  • 【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.
  • 【Matcha H++6】Easily ensure proper connections with the help of the matcha dual-colored H++ connector. Connector is properly seated when matcha is no longer visible.
  • 【ATX 3.1】Built to ATX 3.1 specifications means the Toughpower GT 850W is capable of handling up to 3x GPU power excursions and up to 2x total power excursions, while maintaining low load efficiency as well.
  • 【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.

Full Specifications

BrandThermaltake
Wattage850 watts
Model NameToughpower GF3
Form FactorATX
Model NumberPS-TPD-0850FNFAGU-4
Connector TypeATX, PCI Express
Cooling MethodAir
Item Type NamePower Supply
Number of Fans1
Output Wattage850 watts
Item Dimensions6.3 x 5.9 x 3.4 inches
Mfr Part NumberPS-TPD-0850FNFAGU-4
Compatible DevicesPersonal Computer
Power Supply DesignFull Modular
Warranty Description10 Year Manufacturer
Maximum Input Voltage240 volts
Minimum Input Voltage100 volts
Item dimensions L x W x H6.3 x 5.9 x 3.4 inches
System Bus Connector Type12 Pin
Connector Type Used on CableATX, PCI Express

Ready to buy?

Thermaltake Toughpower GF3 850W; ATX 3.1; Native PCIe 5.1 12V-2x6; Flat Cables; Color Matched Connectors; Japanese Main Capacitors; 135mm Fan; 80 Plus Gold Certified; Black; PS-TPD-0850FNFAGU-4 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 — $123.99

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

Related Power Supplies

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
Thermaltake Toughpower GF3 850W; ATX 3.1; Native PCIe 5.1 12V-2x6; Flat Cables; Color Matched Connectors; Japanese Main Capacitors; 135mm Fan; 80 Plus Gold Certified; Black; PS-TPD-0850FNFAGU-4
$123.99
View on Amazon →