Thermaltake
Thermaltake Toughpower GF A3 850W
Bottom line: The Thermaltake Toughpower GF A3 850W ($129.99 on Amazon as of 2026-10-06): Native 12V-2x6 16-pin delivers 450W to RTX 50 GPUs, no adapter needed; main trade-off: 850W ceiling limits headroom for 600W flagship or dual-GPU rigs.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Native 12V-2x6 16-pin delivers 450W to RTX 50 GPUs, no adapter needed
- ✓ 80 Plus Gold certified for efficient, low-heat power delivery
- ✓ ATX 3.1 and PCIe 5.1 compliant for next-gen graphics cards
- ✓ 10-year warranty backs long-term reliability
- ✓ Fully modular low-profile flat cables simplify routing and airflow
Cons
- ✗ 850W ceiling limits headroom for 600W flagship or dual-GPU rigs
- ✗ Single 450W 16-pin falls short of the full 600W PCIe 5.1 spec
- ✗ Gold efficiency sits below Platinum and Titanium tiers
- ✗ Recommended-wattage design leaves less overclocking margin
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’s connector is the recommended wattage. (Ref. Intel design guideline) The native 16 PIN (12V-2x6) PCIe connector of the GF A3 850W can deliver up to 450W 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…
SpecPicks Verdict
SpecPicks scored Thermaltake Toughpower GF A3 850W 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
- 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
| Brand | Thermaltake |
|---|---|
| Wattage | 850 watts |
| Model Name | GF A3 850 |
| Unit Count | 1 Count |
| Form Factor | ATX |
| Model Number | PS-TPD-0850FNFAGU-L |
| Connector Type | ATX, PCI Express |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 850 watts |
| Item Dimensions | 5.9 x 3.4 x 5.5 inches |
| Mfr Part Number | PS-TPD-0850FNFAGU-L |
| 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 |
| Connector Type Used on Cable | ATX, PCI Express |
| Full listing title | Thermaltake Toughpower GF A3 850W, True 450W 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-0850FNFAGU-L, 10 Year Warranty |
Ready to buy?
Thermaltake Toughpower GF A3 850W, True 450W 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-0850FNFAGU-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.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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