Thermaltake Toughpower PF3 750W PSU Review

The Thermaltake Toughpower PF3 750W is a Platinum certified power supply, featuring ATX v3.0 and PCIe 5.0 compatibility. As the other PF3 models, this is one is also way more expensive than the similar capacity Toughpower GF A3 750W which is made by the same OEM, HKC, but does it worth the extra money? You know the drill, read the full review to find out! 

The Thermaltake Toughpower PF3 750W is included in my best ATX v3.x & PCIe 5.x PSU picks article.

I have already evaluated two members of the Toughpower PF3 family:

Thermaltake assigned the manufacturing of the PF3 units to two OEMs, HKC and CE Link. The latter has a manufacturing line in Vietnam, so its products won’t have as high US importation tariffs as the ones made in China. Still, the PF3 750 has a much higher price tag than the GF A3, which has a similar capacity. I will try to determine if the high price is justified by performance and build quality or if you will be better with the more affordable unit, which is covered by the same ten-year warranty.


The PF3 750 is Platinum certified by Cybenetics, and it has a Cybenetics Α- (25-30 dB[A]) noise rating, meaning that its fan noise is kept relatively low. Regarding the cooling fan, TT speaks of a fluid dynamic bearing, which might be true, but the fan is not from a known OEM, which doesn’t align with the PSU’s stiff price. I expected to find at least a Hong Hua fan in this price range.



Technical Specifications:
  • Manufacturer (OEM): HKC
  • Max Power: 750W
  • Cybenetics Efficiency: [115V] Cybenetics Platinum (89-91%)
  • 80 Plus Efficiency: Platinum
  • Noise [115V]: Cybenetics Α- (25-30 dB[A])
  • Compliance: ATX v3.0, EPS 2.92
  • Operating Temperature (Continuous Full Load): 0 – 40°C
  • Alternative Low Power Mode support: Yes
  • Power 12V combined: 750W
  • Number of 12V rails: 1
  • Power 5V + 3.3v: 100W
  • Power 5VSB: 15W
  • Cooling: 120mm Fluid Dynamic Bearing Fan [TT-1225 (BDK12025MS)]
  • Semi-Passive Operation: ✓ (Selectable)
  • Modular Design: Yes (Fully)
  • High Power Connectors: 2x EPS (single cable), 4x PCIe 6+2 pin (2x cables), 1x PCIe 12+4 pin (600W)
  • Peripheral Connectors: 8x SATA (2x cables), 4x 4-pin Molex (single cable)
  • ATX Cable Length: 600mm
  • EPS Cable Length: 650 (+150mm)
  • 6+2 pin PCIe Cable Length: 500mm (+150mm)
  • 12+4 pin PCIe Cable Length: 600mm
  • Distance between SATA / 4-pin Molex: 145/150mm
  • In-cable capacitors: No
  • Dimensions (W x H x D): 150 mm x 85 mm x 140mm
  • Weight: 1.56 kg (3.44 lb)
  • Warranty: ten years
  • Street price (excluding VAT): $165

Power Specifications

Rail 3.3V 5V 12V 5VSB -12V
Max. Power Amps 20 20 62.5 3 0.3
Watts 100 750 15 3.6
Total Max. Power (W) 750
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