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White ATX power supply unit with modular cable sockets and a 120mm fan grille

Thermaltake

Thermaltake PS-TPD-0850FNFAGU-N 850W power supply

SKU CH-NNSP-9YMK8 MPN PS-TPD-0850FNFAGU-N

An 850W ATX 3.0 power supply with 80 Plus Gold efficiency, full modular cables, a 120mm fluid dynamic bearing fan and a native 12VHPWR connector for PCIe Gen 5 graphics cards

  • TypeATX / ATX 3.0 Compatible
  • Maximum Power850 W
  • Fans120mm Fluid Dynamic Bearing Fan
  • PFCActive
  • Main Connector24Pin
  • +12V RailsSingle

Options 850W (White)

  • 850 W continuous power meets demanding builds
  • 80 Plus Gold certification reduces wasted energy
  • Fully modular flat cables simplify routing
  • 120 mm fluid-dynamic fan runs quietly
  • PCIe 12VHPWR connector supports modern graphics cards

850W ATX 3.0 Power Supply

The Thermaltake Toughpower GF A3 Snow Edition delivers 850W of continuous power with 80 PLUS Gold certification. A fully modular design uses low-profile flat black cables for clean routing. The unit meets ATX 3.0 specifications and includes a native PCIe 12+4pin connector rated for 450W.

Built for Modern GPU Builds

This unit suits builders installing current-generation graphics cards that require the 12VHPWR connection. The single +12V rail design and four 6+2-pin PCIe connectors support multi-GPU configurations. Systems needing higher wattage or a different form factor should consider other models.

150mm Chassis Depth

The power supply measures 150mm in length, a critical dimension for case compatibility. Verify that your chassis accommodates this depth before purchase. The compact size fits most mid-tower and full-tower cases designed for standard ATX units.

Highlights

  • 850 W continuous power meets demanding builds
  • 80 Plus Gold certification reduces wasted energy
  • Fully modular flat cables simplify routing
  • 120 mm fluid-dynamic fan runs quietly
  • PCIe 12VHPWR connector supports modern graphics cards

Specifications

BrandThermaltake
SeriesToughpower GF A3 Snow Series
ModelPS-TPD-0850FNFAGU-N
TypeATX / ATX 3.0 Compatible
Maximum Power850 W
Fans120mm Fluid Dynamic Bearing Fan
PFCActive
Main Connector24Pin
+12V RailsSingle
PCI-Express Connector4 x 6+2-Pin
SATA Power Connector8
Haswell SupportYes
Max PSU Length150 mm
ModularFull Modular
Energy-Efficient80 PLUS GOLD Certified
ProtectionOVP / UVP / OCP / OPP / OTP / SCP
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz
Input Current15A-8A
Output+3.3V@20A; +5V@20A; [email protected] ; [email protected] ; +5VSB@3A
MTBF100,000 Hours Minimum
ApprovalsFCC/ICES/CB/cTUVus
ConnectorsMain Power Connector (24pin) x 1
ATX 12V / EPS 12V (8pin/4+4pin) x 2
PCIe 12VHPWR 450W (12+4pin) x 1
PCI-E (6+2pin) x 4
SATA (5pin) x 8
Peripheral (4pin) x 4
Floppy x 1
FeaturesPCIe Gen 5 ready, designed with native PCIe 12+4pin modular interface.
Compatible with Intel ATX 3.0 specification, providing sufficient and stable power delivery
PCIe Gen.5 600W 12VHPWR cable included
850W continuous output at 45°C/113°F operating environment
High quality Japanese 105°C/221°F main capacitors
Fully modular with black low-profile flat cables
Smart Zero Fan: auto-regulated fan speed based on power consumption for a quiet and efficient operation
High amperage single +12V rail design
Ultra-quiet 120mm fluid dynamic bearing fan
Dimensions5.9"(W) x 3.4"(H) x 5.5"(D) in.
Weight3.6 lbs
Shipping weight2.86 kg
Package size318 × 229 × 152 mm

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Questions about this item

How do I connect the 12VHPWR cable and which orientation error should I avoid?

Plug the native 12+4pin modular cable into the PSU port marked PCIe 12VHPWR 450W and seat it fully until the latch clicks; the notch only fits one way so forcing it backwards bends pins.

What component will likely need attention first and what is its rated life?

The 120mm fluid dynamic bearing fan carries a minimum 100,000 hour MTBF; dust buildup on its blades is the first maintenance item, so clean it with compressed air when noise rises.

Which protection trips first during a long full-load session?

Over-temperature protection (OTP) monitors internal heat and will shut the unit down before sustained load pushes components past safe limits.

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