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Thermaltake Toughpower GF A3 ATX 3.0 Gold 850W Power Supply

PS-TPD-0850FNFAGA-H | Thermaltake
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The Thermaltake Toughpower GF A3 850W power supply is 80PLUS Gold certified, is built for next-gen PCIe 5.0 graphics cards and is compatible with Intel's ATX 3.0 specification. It features a quiet 120mm fluid bearing fan for increased airflow throughout, a high-quality Japanese electrolytic capacitor, low-profile, flat cables and a fully modular design.


Toughpower GF A3 Gold 850W - PCIe 5 ATX 3.0 Compatible

80 PLUS Gold certified, compatible with Intel’s ATX 3.0 specifications and includes 12VHPWR connector.

The Toughpower GF A3 is ready to power your next-gen hardware. The wattage marked on the 12VHPWR’s connector is the recommended wattage. (Ref. Intel design guideline).

The native 16 PIN (12VHPWR) PCIe connector of the GF A3 850W can deliver up to 450W for PCIe 5.0 graphics cards.

Thermaltake Toughpower GF A3 850W 80+ Gold PCIe Gen5 ATX 3.0 Power Supply - Black Feature 1

It's Got the Power!

Able to fully support next-gen hardware, Toughpower GF A3 Gold Series (650W/750W/850W/1050W/1200W) is designed to meet ATX 3.0 standards, including a PCIe Gen 5.0 12VHPWR connector. The GF A3 Gold series delivers 80 PLUS Gold efficiency offering reliable, stable power.

Thermaltake Toughpower GF A3 850W 80+ Gold PCIe Gen5 ATX 3.0 Power Supply - Black Feature 2

Fully Compatible with Intel ATX 3.0 Standards

The Toughpower GF A3 Gold series is fully compatible with Intel ATX 3.0 Specifications which supports up to 200% power excursion, reaches 60% low load efficiency and complies with required power supply timing standards.

  • 2X Total Power Excursion
  • 3X GPU Power Excursion

Thermaltake Toughpower GF A3 850W 80+ Gold PCIe Gen5 ATX 3.0 Power Supply - Black Feature 3

PCIe Gen 5.0 Ready

The Toughpower GF A3 Gold series comes with a 16pin connector to offer powerful and stable performance, allowing your PSU to natively run next-generation graphic cards.


  • Recommended wattage is an estimation of system power demand. Actual power demands may vary based on specific components, usage, and many other factors.
  • Please follow the recommended power requirements from the GPU manufactures before using the 12VHPWR cable.

Made to Work with the Latest Graphics Cards

As the minimum power requirements of graphics cards grows, it’s vital to have a power supply that can support them. The GF A3 series have been meticulously designed to support both NVIDIA and AMD graphics cards, able to accommodate their different connections.

  • 1 GPU Power Connector
  • 2 GPU Power Connector
  • 3 GPU Power Connector
  • 16 pin GPU Power Connector

Be Smart, Stay Quiet

The Toughpower GF A3 features a 120mm fluid bearing fan to deliver excellent airflow. Furthermore, the Smart Zero Fan does spin until the load exceeds 40% of the power supply, minimizing any undesired noise.

Thermaltake Toughpower GF A3 850W 80+ Gold PCIe Gen5 ATX 3.0 Power Supply - Black Feature 4

High Quality Japanese Main Electrolytic Capacitor

The Toughpower GF A3’s high quality Japanese main electrolytic capacitor greatly improves durability and ensures the Toughpower GF A3 series is stable when you need it most.

Thermaltake Toughpower GF A3 850W 80+ Gold PCIe Gen5 ATX 3.0 Power Supply - Black Feature 5

High Amperage Single +12V Rail & High-Class Technologies

Featuring a powerful single +12V rail, the Toughpower GF A3 can deliver ideal power across all your components. The use of LLC and DC to DC circuit design additionally provides incredibly stable operation and enhanced voltage regulation.

Built-In Industrial Grade Protection

To protect the hardware, GF A3 is built with industry grade protections: OCP(Over Current Protection), OVP (Over Voltage Protection), UVP(Under Voltage Protection), OPP(Over Power Protection), SCP(Short Circuit Protection), OTP(Over Temperature Protection).

Fully Modular Low-Profile Flat Cables

The Toughpower GF A3 series features low-profile black cables. This helps make cable management easier and reduces clutter, therefore helping to increase airflow inside the chassis.

80 Plus Gold Certified and Lake C6/C7 States Ready

Toughpower GF A3 Gold series saves energy through its high energy efficiency up to 90% and is certified to 80 PLUS® Gold. It has been optimized to work with all generations of Intel’s processors to achieve maximum energy saving.


General Data

Model Number PS-TPD-0850FNFAGA-H
Watts 850 W
Model TTP-850AH2FKG
Max. Output Capacity 850 W
Colour Black
Dimension ( W x H x D ) 150 mm (W) x 86 mm (H) x 140 mm (D)
PFC (Power Factor Correction) Active PFC
Power Good Signal 100 - 250 msec
Hold Up Time > 17 msec
Input Current 10 A Max.
Input Frequency Range 50 Hz - 60 Hz
Input Voltage 100 - 240 Vac
Operating Temperature 0°C to + 45°C
Operating Humidity 5% to 85%, non-condensing
Storage Temperature -40°C to + 70°C
Storage Humidity 5% to 95%, non-condensing
Cooling System 12 cm FDB Fan
Efficiency Meet 80 PLUS® Gold at 115 Vac input
MTBF 100,000 hrs minimum
Safety Approval CE / FCC / UKCA / ICES / LVD / TUV / cTUVus / CB / CCC / BSMI
PCIe 6+2pin 4
PCIe 12+4pin 1 (450 W)
Warranty 10 Years

Load Range

DC Output +3.3 V +5 V +12 V -12 V +5 VSB
Max Output Current 20 A 20 A 70.8 A 0.3 A 3 A
Max Output Power 100 W 100 W 849.6 W 3.6 W 15 W
Total Power 850 W 850 W 850 W 850 W 850 W
Backed by a 10-year Thermaltake warranty.

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