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Black rectangular ATX power supply with RGB fan visible through mesh grille

Thermaltake

Thermaltake Toughpower GT 850W power supply PS-TPT-0850FNFAGU-3

SKU CH-YN1E-3MG27 MPN PS-TPT-0850FNFAGU-3

Fully modular 850 W ATX 3.1 unit with 80 PLUS Gold efficiency and native PCIe 5.1 12V-2x6 connector for modern GPUs

  • Max wattage850 W
  • Power efficiency> 85%
  • Modular cablingNo
  • Fan configuration12 cm Hydraulic bearing fan
  • Fan LEDRGB
  • Power factor correctionActive

Model ATX 3.1 80+ Gold (850W) Black

  • 850 W output powers demanding builds
  • 80 PLUS Gold rated for up to 90 % efficiency
  • ATX 3.1 standard with native PCIe 5.1 connector
  • Smart Zero Fan stops at low load for silent running
  • Fully modular flat cables simplify routing and airflow

Power and standard compliance

The Thermaltake Toughpower GT delivers 850 W through an ATX 3.1 design that includes native PCIe 5.1 support. A single 12V rail supplies stable current for high-end gaming and workstation builds. 80 PLUS Gold certification confirms efficiency above 85% at typical loads.

Cable layout and case fit

The unit is fully modular with low-profile flat black cables and provides 16 SATA power connectors for storage arrays. Maximum PSU length is 140 mm, so verify that your chassis accommodates this depth before ordering. The main board connector uses a 20+4 pin arrangement.

Thermal behaviour under load

Smart Zero Fan technology keeps the 12 cm hydraulic bearing fan stationary during light workloads, then ramps speed as power draw rises. Hold-up time exceeds 17 ms at 80% load, while protection circuits cover OVP, UVP, OCP, OPP, OTP and SCP for sustained operation.

How it compares

Measured against everything we stock in ATX Desktop Power Supplies, at today’s prices. Recalculated every night.

Price $86.99
Cheaper than about 73% of the 10,869 comparable items (median $142.99).
Max wattage 850 W
Typical for this category: the median of 930 items is 850 W.

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Specifications

Product
Brand nameThermaltake
Product lineGold (ATX 3.1)
Model namePS-TPT-0850FNFAGU-3
Part numberPS-TPT-0850FNFAGU-3
Product colorBlack
Product typeATX 12 V
Performance
Frequency50/60 Hz
Graphics
SLI supportCertified
Ports & slots
SATA power connectors16
Output type+3.3 V@20A, +5 V@20A, +5VSB@3A
Connection types1 × 12VHPWR (12+4) PCIe / 1 × 24 pin (20+4) ATX / 4 × 4 pin Peripheral / 4 × 8 pin (6+2) PCIe
12V power connector1 × 4 Pin ATX 12 V
Peripheral connector1
Power
Max wattage850 W
Power efficiency> 85%
Modular cablingNo
Power factor correctionActive
Main power connector20+4 Pin
12V rails2
Power good signal100-250 msec
Power hold-up time> 17msec at 80% load
Efficiency certificationMeet 80 PLUS Gold at 115Vac input.
Built-in protectionOVP/UVP/OCP/OPP/OTP/SCP
Supply voltage120 V
AC input frequency50/60 Hz
Rated input current10A @ 115 V, 5A @ 230 V
Rated power600 W
Peak wattage850 W
+3.3V max. current8A
+12V1 max. current9A
+12V2 max. current10A
+12V3 max. current30A
+12V4 max. current28A
+12V5 max. current29A
+12V6 max. current28A
+5VSB max. current5A
Size & build
Size or dimensions5.9 in × 3.4 in × 5.5 in
Product dimensions20'
Product weight2.431 kg
Top fans size120 mm
Rear fans size120 mm
Shipping weight2.40 kg
Package size279 × 216 × 127 mm
Compatibility
PSU length limit140 mm
In the box
Included itemsToughpoewr GT 850, PS-TPT-0850FNFAGU-3, 1, false
Fans total quantity1
Environment & compliance
Top fans noise levelAir
More details
Fan configuration12 cm Hydraulic bearing fan
Fan LEDRGB
Mean time between failures>100,000 h
Top fans LEDBlue
Rear fans LEDBlue

Other versions of this model

3 more in the same range

Questions about this item

Does the Toughpower GT 850W come with all cables attached or do I need to buy any separately?

The unit is fully modular so only the cables you need are connected; the package includes the low-profile flat black cable set and the native 12V-2x6 (12+4 pin) GPU connector, nothing extra is required.

Should I choose this 850W model or a higher wattage for a GPU that draws up to 450W?

An 850W Gold-rated supply with a single high-amperage +12V rail covers a 450W graphics card plus CPU and peripherals with headroom for transient spikes.

What does the 80 PLUS Gold rating actually deliver once the PSU is inside my PC?

It guarantees at least 85% efficiency at typical loads and up to 90% at 115V input, meaning less waste heat and lower electricity draw during gaming or workstation tasks.

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