Thermaltake
TOUGHPOWER GF A3 Gold 1200W
Best high-wattage power supply for enthusiasts building next-generation gaming rigs.
The Thermaltake Toughpower GF A3 1200W power supply is built for the demands of next-generation hardware. It fully complies with Intel ATX 3.0 standards and includes a native PCIe Gen 5.0 12VHPWR connector, delivering up to 600W for modern graphics cards. This fully modular unit boasts 80 PLUS Gold efficiency for energy savings and stable performance. High-quality Japanese capacitors ensure durability, while the 120mm fluid bearing fan with Smart Zero Fan mode provides quiet operation under light loads. Comprehensive industrial-grade protection features offer peace of mind.
$5590.00
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Owner Satisfaction
4.5
/ 5
Category Rank
321
/ 1062
#321 in Computer Power Supplies
Price vs Category Average
+499%
Above average
Max Output Capacity
1200
/ W
Who it's for
- PC builders prioritizing clean aesthetics and improved internal airflow
- Gamers upgrading to the latest high-performance graphics cards
- Budget-conscious users looking to reduce long-term electricity costs
Who should skip it
- Quiet-computing enthusiasts sensitive to fan noise under heavy loads
- Shoppers seeking maximum warranty coverage or top-tier efficiency ratings
- Overclockers requiring absolute best-in-class ripple suppression and component quality
Performance breakdown
Next-Gen Compatibility
Native 12VHPWR support ensures seamless integration with the latest flagship GPUs.
Power Efficiency
Dual 80 PLUS Gold and Cybenetics Platinum ratings minimize wasted energy.
Build Reliability
High-quality Japanese capacitors provide long-term stability for demanding high-end systems.
Cable Management
Fully modular design allows for a clean, clutter-free interior build.
Acoustic Performance
Smart Zero Fan mode keeps noise levels minimal during light workloads.
Safety Standards
Comprehensive industrial-grade protections safeguard expensive hardware against unexpected electrical faults.
Key Specs
Max Output Capacity
1200W
ATX Version
ATX 3.0
Efficiency Rating
80 Plus Gold, 80 Plus Platinum
Form Factor
ATX
Modularity Type
Fully Modular
Cooling Fan Size
120mm
Cable Type
Flat
Depth
140.0 mm
Features
- Supports NVIDIA and AMD graphics cards.
- Native 12VHPWR connector for 600W delivery.
- CYBENETICS PLATINUM efficiency certified.
- Fully compliant with Intel ATX 3.0.
- Supports PCIe Gen 5.0 for next-gen GPUs.
- Smart Zero Fan for quiet operation.
- High-quality Japanese capacitors for durability.
- Fully modular design for easy cable management.
What customers say
Customers consistently praise the GF A3 1200W for its robust reliability, especially when powering high end graphics cards. The native ATX 3.0 support and the included 12VHPWR cable are major highlights, simplifying modern PC builds and ensuring future proof compatibility. Users appreciate the quiet operation and the fully modular design, confirming its position as a high quality, dependable component that delivers stable power without fuss. This unit offers excellent peace of mind for serious builders.
Know before you buy
Yes. It features a native 12VHPWR connector designed specifically for PCIe Gen 5.0 graphics cards, capable of delivering up to 600W of power to modern high-end GPUs.
The Smart Zero Fan mode stops the 120mm cooling fan from spinning when the power supply is under light loads. This ensures the unit remains completely silent during basic tasks like web browsing or document editing.
Yes, it is fully modular, meaning every cable can be detached from the power supply. This allows you to use only the cables you need, which significantly reduces clutter and improves airflow inside your PC case.
Yes, it follows the standard ATX form factor with a depth of 140mm. Its compact size makes it compatible with most mid-tower and full-tower cases on the market.
The unit includes a full suite of industrial-grade protections, including Over Voltage, Under Voltage, Over Power, Short Circuit, Over Current, and Over Temperature protection to prevent hardware damage during power fluctuations.
ATX 3.0 compliance ensures the power supply can handle the sudden, high-power spikes common with next-generation hardware. It provides better stability and reliability for modern systems compared to older power supply standards.
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$5590