Thermaltake

Thermaltake Toughpower GF A3 Gen5 850W 80+ Gold Fully-Modular ATX 3.0 Black (Boxed)

SKU 16532 Brand Thermaltake EAN13 4713227537513
Thermaltake Toughpower GF A3 850W: 80 PLUS Gold, fully modular ATX 3.0/PCIe 5.0 PSU w/ 1x 12VHPWR (450W), 4x 6+2 PCIe, 70.8A +12V rail, 120mm fan, 10-yr warranty. Compact 140mm depth.
PSU (Power Supplies) - Wattage 800 - 899 W
PSU (Power Supplies) - Efficiency Rating 80 Plus Gold
PSU (Power Supplies) - Color Black
PSU (Power Supplies) - Modularity Fully modular
PSU (Power Supplies) - PCIe GPU Connectors 1x 12VHPWR 16-pin 4x 8/6 pins
PSU (Power Supplies) - Length Up to 140 mm
PSU (Power Supplies) - EPS CPU Connectors 2x 4+4pin EPS/ATX12V

The Thermaltake Toughpower GF A3 850W is a high-performance, fully modular power supply designed for next-gen PC builds. Certified 80 PLUS Gold for excellent efficiency, it complies with Intel ATX 3.0 (and 3.1 in some listings) standards, supporting up to 200% power excursions and featuring a native PCIe Gen 5.0 12VHPWR (12+4 pin) connector rated for 450W—perfect for RTX 40-series GPUs.

With a single powerful +12V rail delivering 849.6W (70.8A), it powers demanding systems reliably. The compact 140mm depth and fully modular cabling make installation easy in small cases. A 120mm hydraulic bearing fan provides quiet, effective cooling with semi-passive mode, and comprehensive protections ensure safety.

  • 80 PLUS Gold certified efficiency
  • 1x 12VHPWR (450W) + 4x 6+2 pin PCIe connectors
  • 2x EPS 4+4 pin for CPU power
  • 8x SATA, 4x Molex peripheral
  • 10-year warranty, OEM: HKC
Total power850 W
AC input voltage100 - 240 V
AC input frequency50/60 Hz
Input current10-15 A
Power Factor Correction (PFC) typeActive
Combined power (+3.3V)100 W
Combined power (+12V)849.6 W
Combined power (+5V)100 W
Combined power (-12V)3.6 W
Combined power (+5Vsb)15 W
Max output current (+3.3V)20 A
Max output current (+12V)70.8 A
Max output current (+5V)20 A
Max output current (-12V)0.3 A
Max output current (+5Vsb)3 A
Hold time17 ms
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Motherboard power connector24-pin ATX
Motherboard power cable length60 cm
Number of SATA power connectors8
SATA power cable length500,650,800,950 mm
Peripheral (Molex) power connectors (4-pin)4
Peripheral (Molex) power cable length500,650,800,950 mm
PCI Express power connectors (6+2 pin)4
PCI Express power connectors (12+4 pin)1 (450W)
EPS/ATX12V connectors2x 4+4 pin
Floppy drive power connector1
Floppy disk drive cable length15 cm
Cabling typeFully-Modular
80 PLUS certification80 PLUS Gold
PurposePC
Power supply unit (PSU) form factorATX
ATX version3.0 / 3.1
Product colourBlack
Cooling typeActive
Fan diameter12 cm
Number of fans1 fan(s)
Fan locationTop
Operating temperature (T-T)0 - 45 °C
Manufacturer (OEM)HKC
Warranty period10 year(s)
Width150 mm
Depth140 mm
Height86 mm
Cybenetics EfficiencyPlatinum
Cybenetics NoiseA-