Thermaltake

Thermaltake Toughpower GF A3 750W

Name: Thermaltake Toughpower GF A3 750W, True 300W 12VHPWR Connectors on PSU & NVIDIA RTX 40 Series, ATX 3.0/PCI-E 5.0, 80+ Gold, SLI/Crossfire Ready Power
Brand: Thermaltake
SKU: B0C1JKB652

Status: Thermaltake Toughpower GF A3 750W (750W 80 Plus Gold ATX power supply): Unavailable on Amazon as of 2026-10-21 16:26 UTC. Closest in-stock match (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). eBay sellers may still list this model new or used.

View Current Price — $149.99 🛒 Search eBay for this model

Bottom line: The Thermaltake Toughpower GF A3 750W: Native 16-pin 12VHPWR cable delivers up to 300W, no adapter needed; main trade-off: 12VHPWR cable is capped at 300W, not enough for 450W-class flagship GPUs.

Unavailable on Amazon as of 2026-10-21 16:26 UTC

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

View Current Price — $149.99

Same 750W 80 Plus Gold ATX power supply: Rosewill VMG 750W 80+ Gold — $66.46 on Amazon as of 2026-10-21 12:20 UTC (price may vary).

View Current Price — $66.46

Same 750W 80 Plus Gold ATX power supply: Thermaltake GF1 Fully Modular ATX 750W Power… — $69.99 on Amazon as of 2026-10-21 12:20 UTC (price may vary).

View Current Price — $69.99

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

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-21

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 →

Pros & Cons

Pros

✓ Native 16-pin 12VHPWR cable delivers up to 300W, no adapter needed
✓ ATX 3.0 and PCIe 5.0 compliant for current-generation GPUs
✓ 80 Plus Gold certified efficiency at a 750W capacity
✓ Fully modular, low-profile flat cables make routing easier in tight cases
✓ 10-year warranty, plus a single high-amperage +12V rail

Cons

✗ 12VHPWR cable is capped at 300W, not enough for 450W-class flagship GPUs
✗ 750W leaves limited headroom for a high-end CPU and GPU together
✗ Gold rating, not Platinum or Titanium efficiency
✗ Built to ATX 3.0, not the newer ATX 3.1 revision

Manufacturer description

The Thermaltake Toughpower GF A3 750W is an 80 Plus Gold, fully modular power supply built for the Intel ATX 3.0 and PCIe 5.0 standards. Its main feature is a native 16-pin 12VHPWR connector, so a current-generation graphics card connects to the PSU with one cable instead of a bundle of 8-pin adapters. That connector delivers up to 300W for PCIe 5.0 graphics cards, which Thermaltake lists as the recommended wattage under Intel's design guideline. Power comes from a high-amperage single +12V rail, so you don't have to balance the load across multiple rails when you add a hungry GPU and CPU…

SpecPicks Verdict

SpecPicks scored Thermaltake Toughpower GF A3 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.

Frequently Asked Questions

Does the Thermaltake Toughpower GF A3 750W need an adapter for an RTX 40 series card?

No. It has a native 16-pin 12VHPWR connector that plugs straight into PCIe 5.0 graphics cards such as the RTX 40 series. That connector delivers up to 300W.

Can this 750W PSU power a GPU that draws 450W?

Not through the native connector. The 12VHPWR cable on this unit is rated at 300W under Intel's design guideline. If your card is rated for a 450W connector, follow your GPU maker's power requirements, which usually means a higher-wattage PSU.

Is the Toughpower GF A3 750W fully modular?

Yes. Every cable is detachable, and the cables are low-profile flat cables, so you only install the leads your build uses.

What warranty comes with the Thermaltake GF A3 750W?

The product listing states a 10-year warranty for model PS-TPD-0750FNFAGU-L. Check Thermaltake's warranty page for registration and claim terms.

Is the Toughpower GF A3 750W ATX 3.0 compliant?

Yes. It is fully compatible with the Intel ATX 3.0 standard and PCIe Gen 5.0 ready, and it carries 80 Plus Gold certification.

Key Features

80 Plus Gold Certified and Fully Compatible with Intel ATX 3.0 Standards
PCIe Gen 5.0 Ready
Made to Comply with the Latest Graphics Cards
High Amperage Single plus 12V Rail and High-Class Technologies
Fully Modular Low-Profile Flat Cables

Full Specifications

Brand	Thermaltake
Wattage	750 watts
Model Name	GF A3 750
Unit Count	1 Count
Form Factor	ATX
Model Number	TTP-0750AH2FLG
Connector Type	ATX, PCI Express
Cooling Method	Air
Number of Fans	1
Output Wattage	750 watts
Item Dimensions	5.9 x 3.4 x 5.5 inches
Mfr Part Number	PS-TPD-0750FNFAGU-L
Number of Items	1
Compatible Devices	Personal Computer
Power Supply Design	Full Modular
Warranty Description	10 Year Manufacturer
Maximum Input Voltage	240 volts_of_alternating_current
Minimum Input Voltage	100 volts_of_alternating_current
Item dimensions L x W x H	5.9 x 3.4 x 5.5 inches
System Bus Connector Type	16 pin,16pin
Full listing title	Thermaltake Toughpower GF A3 750W, True 300W 12VHPWR Connectors on PSU & NVIDIA RTX 40 Series, ATX 3.0/PCI-E 5.0, 80+ Gold, SLI/Crossfire Ready Power Supply, PS-TPD-0750FNFAGU-L, 10 Year Warranty

Ready to buy?

Amazon shows no buyable offer for Thermaltake Toughpower GF A3 750W at the last check. The closest in-stock match with the same 750W 80 Plus Gold ATX power supply is Thermaltake Toughpower iRGB Plus 750W 80+ Gold…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $149.99