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GAMEMAX

GAMEMAX GX-850 Pro Modular 80 Plus Gold ATX3.0 PCIe 5.0 PSU With 135mm FDB Fan, White

GAMEMAX GX-850 Pro Modular 80 Plus Gold ATX3.0 PCIe 5.0 PSU With 135mm FDB Fan, White

Regular price £100.00 GBP
Regular price Sale price £100.00 GBP
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GameMax GX PRO 850G 80 Plus Gold Modular Power Supply

The GameMax GX PRO 850G is a fully modular 80 Plus Gold power supply built for high efficiency, quiet operation, and premium durability. Designed for next‑generation systems, it delivers stable power, advanced thermal management, and comprehensive protection for your components.


Key Features

80 Plus Gold Efficiency & Quiet Operation

  • 80 Plus Gold certified with conversion efficiency exceeding 90%
  • APFC + LLC + DC-DC design for high efficiency and reduced power waste
  • Minimizes noise for a quieter computing experience

Premium Durability & Reliability

  • Built with high-quality Japanese main capacitors
  • 105°C capacitor tolerance for long-term stability and performance
  • Solid capacitors enhance reliability over extended use

ATX 3.1 & PCIe 5.1 Ready

  • ATX 3.1 ready for the latest platforms
  • Native 12V-2x6 connector for RTX 40/50 series GPUs
  • High-efficiency, low-loss transformer handles 2x power excursions

Advanced Thermal Management

  • 13.5 cm FDB (Fluid Dynamic Bearing) fan
  • Intelligent temperature control slows fan at low loads
  • Optimized heat dissipation with reduced wind noise

Comprehensive Circuit Protection

  • Multiple safety technologies: overload, overvoltage, undervoltage, overcurrent, short circuit, over-temperature protection, and more
  • Helps ensure system stability and prevents damage and interference

EMI Protection & Anti-Burn Circuit

  • Dual-stage EMI filtering for spikes, surges, noise, and interference
  • NTC thermistor and relay help safeguard against short circuits and abnormal currents

Wireless Technology & Modular Design

  • Fully modular design with wireless technology on the PCB
  • Pin and high-density copper pillar connections reduce internal wiring
  • Improved connection reliability, better space utilization, and increased cooling airflow
  • Supports dual CPUs or three 8-pin connectors for flagship GPUs
  • Embossed flat cables for neat, aesthetically pleasing cable management

Specifications

Feature Detail
Model GX PRO 850G WH
Form Factor ATX 3.1 Ready
Power 850W
80 Plus Certification 80 Plus Gold
Dimensions (W x H x D) 160mm x 85mm x 150mm
Input Voltage 110–240 VAC
Input Current 15–8A
Input Frequency Range 50–60Hz
PFC Active PFC (> 0.99)
Power Good Signal 100–150 ms
Hold Up Time > 10ms
Efficiency > 87% (92% max)
MTBF > 100,000 hours
Cooling 135mm ultra-silent fan
Noise Level < 25 dBa
Operating Temperature 0–40°C
Protection OPP / OVP / UVP / OCP / SCP / OTP / NLP / SIP / OLP / NLO
Safety Certifications CE / FCC / CB / ROHS / TUV / cTUVus

The GameMax GX PRO 850G 80 Plus Gold Modular Power Supply combines high efficiency, quiet cooling, and robust protection in a fully modular design, making it a strong choice for modern, performance-focused PC builds.