Deepcool PQ750G ATX v3.1 PSU Review

The Deepcool PQ750G is compatible with the ATX v3.1 and PCIe CEM 5.1 standards, so it can deliver up to 1500W for short periods. To be able to do so, it is equipped with a 12V-2×6 cable which has its connector set at 600W max power, which is way too high for an 750W unit. 

The Deepcool PQ750G will be included in my best ATX v3.x & PCIe 5.x PSU picks article.

The Deepcool recently released the PQ-G line, and I have already reviewed the 1200W, 1000W, and 850W models. In this review, I will look at the 750W unit. The PQ-G line will be first available in the Chinese market, with the rest of the markets following soon. All PQ-G members use Helly platforms. This is a fully modular power supply with compact dimensions, thanks to its 140mm depth, and it is equipped with a 12V-2×6 cable that can deliver up to 600W of power, supporting all high-end graphics cards. Such a high-power setting is overkill for a 750W unit. AMD still hasn’t jumped on the 12V-2×6 connector wagon. AMD is probably waiting for when it will be mature enough to do so. At the same time, NVIDIA supported it from the start, dealing with several problems during its development.


I have evaluated so far the following Deepcool PSUs:

Technical Specifications:
  • Manufacturer (OEM): Helly Technology
  • Max Power: 750W
  • Cybenetics Efficiency: [115V] Cybenetics Gold (87-89%) [230V] Cybenetics Gold (89-91%)
  • Noise: Cybenetics Standard++ (30-35 dB[A])
  • Compliance: ATX v3.1, EPS 2.92
  • Operating Temperature (Continuous Full Load): 0 – 40 °C
  • Alternative Low Power Mode support: Yes
  • Power 12V combined: 744W
  • Number of 12V rails: 1
  • Power 5V + 3.3v: 100W
  • Power 5VSB: 12.5W
  • Cooling: 120mm Rifle Bearing Fan (D12SH-12)
  • Semi-Passive Operation: ✗
  • Modular Design: Yes (Fully)
  • High Power Connectors: 2x EPS (2x cables), 3x PCIe 6+2 pin (3x cables), 1x PCIe 12+4 pin (600W)
  • Peripheral Connectors: 8x SATA (2x cables), 4x 4-pin Molex (1x cables)
  • ATX Cable Length: 595mm
  • EPS Cable Length: 610mm
  • 6+2 pin PCIe Cable Length: 600mm
  • 12+4 pin PCIe Cable Length: 650mm
  • Distance between SATA / 4-pin Molex: 120mm
  • In-cable capacitors: No
  • Dimensions (W x H x D): 150 mm x 85 mm x 140mm
  • Weight: 1.36 kg (3 lb)
  • Warranty: No Info
  • Street price (excluding VAT): Only available in the Chinese market for the moment

Power Specifications

Rail 3.3V 5V 12V 5VSB -12V
Max. Power Amps 20 20 62 2.5 0.3
Watts 100 744 12.5 3.6
Total Max. Power (W) 750
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