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White ATX power supply unit, fully modular, 140 mm fan, compact 150 mm depth

Corn Electronics

Corn Electronics GX 850 850 W White Limited Edition Power Supply

SKU CH-F3NN-3W14E

Full-modular 850 W ATX unit with 140 mm fan, 0.01 ms response, active PFC and 90 % efficiency

  • ColorWhite
  • TypeATX
  • Maximum Power850 W
  • Fans1 x 140 mm
  • PFCActive
  • Main Connector20+4Pin
  • 850 W output powers demanding builds including 4090 graphics cards
  • 80 Plus Gold efficiency above 90 % cuts heat and noise
  • 140 mm fan with 0.01 ms response and automatic start-stop keeps noise low
  • Full modular design with 9 SATA connectors simplifies cable routing
  • Active PFC and DC-DC topology with >120,000 hour MTBF ensure stable long-term operation

White 850 W ATX Power Supply

The Corn Electronics GX 850 delivers 850 W of continuous power in a white ATX form factor. It targets builders who want a fully modular unit with a clean aesthetic for mid-to-high-end systems. The single +12 V rail design simplifies load balancing across components. This unit suits gaming rigs and workstations that demand stable, efficient delivery.

80 Plus Gold Efficiency and Protection

Rated at 80 Plus Gold, the supply exceeds 90 % efficiency at typical loads, reducing waste heat and electricity draw. Active PFC corrects the power factor across a 100–240 V, 50/60 Hz input range. Over-voltage and overload protection circuits guard connected hardware. The LLC resonant topology with synchronous rectification and DC-DC conversion maintains tight regulation.

850 W Capacity With 4090-Class Headroom

Four 6+2-pin PCIe connectors support modern graphics cards including the 4090 tier, while nine SATA connectors handle multiple drives. The 140 mm fan stays off below 20 % load for silent idle operation. At 150 mm depth the unit fits most standard ATX cases. Builds requiring more than 850 W or additional PCIe cables will need a higher-rated platform.

Points forts

  • 850 W output powers demanding builds including 4090 graphics cards
  • 80 Plus Gold efficiency above 90 % cuts heat and noise
  • 140 mm fan with 0.01 ms response and automatic start-stop keeps noise low
  • Full modular design with 9 SATA connectors simplifies cable routing
  • Active PFC and DC-DC topology with >120,000 hour MTBF ensure stable long-term operation

Caractéristiques

Series80 Plus
ModelGX 850
ColorWhite
TypeATX
Maximum Power850 W
Fans1 x 140 mm
PFCActive
Main Connector20+4Pin
+12V RailsYes
PCI-Express Connector4 x 6+2-Pin
SATA Power Connector9
SLIYes
Max PSU Length150 mm
ModularFull Modular
Over Voltage ProtectionYes
Overload ProtectionYes
Input Voltage100 - 240 V
Input Frequency Range50/60 Hz
MTBF>120,000 Hours
Efficiency> 90%
Energy-Efficient80 PLUS GOLD Certified
Size/Dimensions150 × 150 × 86mm
Weight2.88 kg

Questions sur cet article

Should I pick the 850 W version or look for a different capacity?

This model is offered only as an 850 W unit, so there is no alternative capacity to compare.

What does the 850 W rating actually deliver inside my PC?

The 850 W figure is the maximum continuous output the supply can sustain across all rails while staying within its 90 % efficiency target.

Does the ATX form factor and active PFC limit what I can connect?

The ATX layout with active PFC fits standard cases and works on 100-240 V mains, while the full-modular cables let you attach only the connectors your build needs.

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