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Thermaltake TPD-850AH2FXG-3 850W Snow White ATX 3.1 Power Supply — main product image
Thermaltake TPD-850AH2FXG-3 850W Snow White ATX 3.1 Power Supply
Thermaltake TPD-850AH2FXG-3 850W Snow White ATX 3.1 Power Supply
Thermaltake TPD-850AH2FXG-3 850W Snow White ATX 3.1 Power Supply
Thermaltake TPD-850AH2FXG-3 850W Snow White ATX 3.1 Power Supply
Thermaltake TPD-850AH2FXG-3 850W Snow White ATX 3.1 Power Supply
Thermaltake TPD-850AH2FXG-3 850W Snow White ATX 3.1 Power Supply
Thermaltake

Thermaltake TPD-850AH2FXG-3 850W Snow White ATX 3.1 Power Supply

★★★★★4.3 (111 reviews)
850W80 PLUS Gold

Thermaltake Toughpower GT 850W Snow delivers 80 PLUS Gold efficiency with ATX 3.1 and native PCIe 5.1 support for next-gen builds.

$116.78*
✓ In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jun 28, 2026.Price and availability are subject to change.

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Overview

The Thermaltake Toughpower GT 850W Snow is a fully modular power supply built around the ATX 3.1 standard, making it a forward-looking choice for modern gaming and workstation PCs. Its 80 PLUS Gold certification means it operates at up to 90% efficiency, translating to less wasted energy as heat and lower electricity costs over time. The all-white design extends to the low-profile modular cables, making it an ideal pairing for white-themed builds where visual consistency matters.

A standout feature is the native 600W PCIe 5.1 connector using the 12V-2x6 (12+4 pin) standard, which provides direct power delivery to next-generation graphics cards without relying on adapter cables. The 120mm hydraulic bearing fan incorporates Smart Zero Fan technology, shutting off entirely at low loads for completely silent operation and spinning up only when thermal demands require it. Comprehensive protection circuitry — including OCP, OVP, UVP, OPP, OTP, and SCP — helps safeguard your components against electrical faults, and the unit is backed by a 5-year warranty.

Key Features

80 PLUS Gold Efficiency & ATX 3.1 Compliant: Up to 90% efficiency with ATX 3.1 compliance for reliable power and reduced energy use.

Fully Modular Design: Low-profile white cables simplify cable management and improve airflow.

Native PCIe 5.1 Connector: Equipped with 12V-2x6 (12+4 pin) for next-gen GPU compatibility.

Smart Zero Fan with Quiet Operation: 120mm hydraulic bearing fan with Smart Zero Fan function ensures silent performance at low loads.

Comprehensive Safety Protections: Includes OCP, OVP, UVP, OPP, OTP, and SCP for system safety.

Specifications

Brand
Thermaltake
Model
TPD-850AH2FXG-3
Series
Toughpower GT Snow
Wattage
850W
Efficiency
80 PLUS Gold
ATX Standard
ATX 3.1
Modularity
Fully Modular
PCIe Connector
Native 600W PCIe 5.1 (12V-2x6 / 12+4 pin)
Fan
120mm Hydraulic Bearing with Smart Zero Fan
Protections
OCP, OVP, UVP, OPP, OTP, SCP
Color
Snow White
Warranty
5 Years

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Pros & Cons

👍 Pros

  • Fully modular white cables blend seamlessly into white-themed builds and reduce clutter
  • Native PCIe 5.1 12V-2x6 connector eliminates the need for adapter cables on modern GPUs
  • Smart Zero Fan mode provides completely silent operation at low loads
  • 80 PLUS Gold certification delivers up to 90% efficiency, reducing heat and electricity costs
  • ATX 3.1 compliance ensures compatibility with current and upcoming platform standards

👎 Cons

  • 850W may be limiting for high-end dual-GPU or extreme overclocking configurations
  • 5-year warranty is shorter than some competing units that offer 7 to 10 years
  • White color option may not suit darker-themed builds without mixing aesthetics
  • 5400 RPM hydraulic bearing fan, while quiet, may not cool as aggressively as dual-fan designs under sustained full load

Frequently Asked Questions

Yes, it comes with a native 12V-2x6 (12+4 pin) PCIe 5.1 connector rated for up to 600W, so no adapters are needed for compatible next-gen graphics cards.
Yes, the Toughpower GT 850W Snow is fully modular, meaning every cable can be detached when not in use, which simplifies cable management and improves airflow inside your case.
The 120mm hydraulic bearing fan features a Smart Zero Fan mode that stops the fan entirely at low loads. Under typical use the fan runs quietly, and at idle it produces no noise at all.
It includes six protections: over-current (OCP), over-voltage (OVP), under-voltage (UVP), over-power (OPP), over-temperature (OTP), and short-circuit (SCP).
Thermaltake backs this power supply with a 5-year warranty.

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