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Thermaltake Toughpower GF3 750W, True 300W 12VHPWR Connectors on PSU & NVIDIA RTX 40 series, ATX 3.0/PCI-E 5.0 Ready, 80+ Gold, SLI/Crossfire Ready Power Supply, PS-TPD-0750FNFAGU-4, 10 Year Warranty
Thermaltake

Thermaltake Toughpower GF3 750W

Status: Thermaltake Toughpower GF3 750W (750W 80 Plus Gold ATX power supply): Unavailable on Amazon as of . Closest in-stock match (same 750W 80 Plus Gold ATX power supply): Thermaltake Toughpower PF3 ATX 3.0 750W 80+…, $151.38 on Amazon as of 2026-10-21 22:23 UTC (price may vary). eBay sellers may still list this model new or used.

Bottom line: The Thermaltake Toughpower GF3 750W: Native 12VHPWR connector on the PSU for RTX 40 series cards, no adapter needed; main trade-off: 750W leaves little headroom for an RTX 4090-class card paired with a high-end CPU.

Unavailable on Amazon as of

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

Same 750W 80 Plus Gold ATX power supply: Thermaltake Toughpower PF3 ATX 3.0 750W 80+… — $151.38 on Amazon as of 2026-10-21 22:23 UTC (price may vary).

Same 750W 80 Plus Gold ATX power supply: be Quiet! Straight Power 12 750W Power Supply — $327.90 on Amazon as of 2026-10-21 22:29 UTC (price may vary).

Same 750W 80 Plus Gold ATX power supply: Thermaltake Toughpower iRGB Plus 750W 80+ Gold… — $149.99 on Amazon as of 2026-10-21 16:26 UTC (price may vary).

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 12VHPWR connector on the PSU for RTX 40 series cards, no adapter needed
  • ✓ Intel ATX 3.0 compliant and PCIe Gen 5.0 ready for next-gen graphics cards
  • ✓ 100% Japanese 105°C-rated capacitors for better heat tolerance under load
  • ✓ Fully modular low-profile flat cables make routing and airflow easier
  • ✓ 80 Plus Gold efficiency, Smart Zero Fan quiet mode and a 10-year warranty

Cons

  • ✗ 750W leaves little headroom for an RTX 4090-class card paired with a high-end CPU
  • ✗ 12VHPWR cable is rated for 300W, well below the connector's 600W spec ceiling
  • ✗ 160mm depth runs longer than compact 140mm ATX units, so check fit in tight cases
  • ✗ Flat ribbon cables can be stiffer to fold than individually sleeved wires

Manufacturer description

Designed with a native PCIe 12+4pin connector, the Toughpower GF3 series is compatible with Intel ‘s ATX 3.0 specification and is built for next-gen PCIe 5.0 graphics cards. Capable of delivering up to 600W of power to PCIe 5.0 graphics cards. •P/N: PS-TPD-0750FNFAGU-4 •WATTS: 750W •MODEL: TPD-0750AH3FCG •MAX. OUTPUT CAPACITY: 750W •COLOR: Black •DIMENSION ( W / H / D ): 150mm(W) x 86mm(H) x 160mm(D) •WEIGHT: 1.63 KG •PFC (POWER FACTOR CORRECTION): Active PFC •POWER GOOD SIGNAL: 100-150 msec •HOLD UP TIME: > 17msec at 100% of full load •INPUT CURRENT: 10.0A / 5.0A •INPUT FREQUENCY RANGE…

SpecPicks Verdict

SpecPicks scored Thermaltake Toughpower GF3 750W 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

  • Fully Compatible With Intel PSDG ATX 3.0 Specifications
  • PCIe Gen 5.0 Ready
  • 100% High Quality Japanese 105°C/221°F Capacitors
  • Fully Modular Low-Profile Flat Cable
  • Ultra Quiet Smart Zero Fan

Full Specifications

BrandThermaltake
Wattage750 watts
Fan Size14 centimeters
Model NameToughpower GF3
Form FactorATX
Model NumberPS-TPD-0750FNFAGU-4
Connector TypeATX, PCI Express
Cooling MethodAir
Item Type NamePower Supply
Number of Fans1
Output Wattage750
Item Dimensions6.3 x 5.9 x 3.4 inches
Mfr Part NumberPS-TPD-0750FNFAGU-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+4 Pin
Full listing titleThermaltake Toughpower GF3 750W, True 300W 12VHPWR Connectors on PSU & NVIDIA RTX 40 series, ATX 3.0/PCI-E 5.0 Ready, 80+ Gold, SLI/Crossfire Ready Power Supply, PS-TPD-0750FNFAGU-4, 10 Year Warranty

Ready to buy?

Amazon shows no buyable offer for Thermaltake Toughpower GF3 750W at the last check. The closest in-stock match with the same 750W 80 Plus Gold ATX power supply is Thermaltake Toughpower PF3 ATX 3.0 750W 80+…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $151.38

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