DeepCool PN850M ATX v3.1 PSU Review

The DeepCool PN850M is an ATX v3.1 compliant power supply, using, a budget oriented platform by CWT, with codename GPX. Its main feature is the ATX v3.1 compliance, meaning that it can deliver 200% of its maximum power for short period (0.1ms), making it compatible with current and future generation GPUs. 

DeepCool is well known for its cooling solutions, but it has also been highly enrolled in the PSU market for quite some time now.

The DeepCool PN850M uses a well-known CWT platform codenamed GPX. It is between CWT’s CSZ and GPW platforms regarding cost and performance. The upgraded GPX platform is compatible with the ATX v3.1 spec, meaning it can repeatedly deliver double its full power for very short periods (0.1ms) without sweating. This is not so important for the current generation GPUs, which don’t have such high power spikes, but nobody can know what the future will bring. Hence, it is better to have a future-proof PSU in your system when you will be forced to change your graphics card if you want to keep up with the new and demanding game titles.



Technical Specifications:
  • Manufacturer (OEM): Channel Well Technology
  • Max Power: 850W
  • Cybenetics Efficiency: [115V] Cybenetics Gold (87-89%)
  • 80 Plus Efficiency: Gold
  • Noise [115V]: Cybenetics Standard+ (35-40 dB[A])
  • Compliance: ATX12V v3.1, EPS 2.92
  • Operating Temperature (Continuous Full Load): 0 – 50°C
  • Alternative Low Power Mode support: Yes
  • Power 12V combined: 846W
  • Number of 12V rails: 1
  • Power 5V + 3.3v: 110W
  • Power 5VSB: 15W
  • Cooling: 120mm Rifle Bearing Fan (DF1202512SEHN)
  • Semi-Passive Operation: ✗
  • Modular Design: ✓ (Fully)
  • High Power Connectors: 2x EPS (2x cables), 3x PCIe 6+2 pin (3x cables),  1x PCIe 12+4 pin (450W)
  • Peripheral Connectors: 8x SATA (2x cables), 2x 4-pin Molex (2x cables)
  • ATX Cable Length: 550mm
  • EPS Cable Length: 700mm
  • 6+2 pin PCIe Cable Length: 550mm
  • 12+4 pin PCIe Cable Length: 600mm
  • 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: 1.47 kg (3.24 lb)
  • Warranty: ten-years
  • MSRP (excluding VAT): $129.45

Power Specifications

Rail 3.3V 5V 12V 5VSB -12V
Max. Power Amps 20 20 70.5 3 0.3
Watts 110 846 15 3.6
Total Max. Power (W) 850
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