01DESKTOPS & ACCESSORIES
Quiet Power for High Performance Builds
The Seasonic FOCUS GX-850 V4 sits discreetly at the rear of your case, its clean white finish blending seamlessly with modern chassis aesthetics. It is the unsung engine that keeps high-end components running smoothly without visual clutter.
This 850W unit supports the latest graphics cards and processors, offering full modularity for tidy cable management. It suits builders who value efficiency, silence and a refined interior look in their desktop setup.


02DESIGN
Clean Lines and Compact Depth
Housed in a compact 140mm deep enclosure, the unit maintains a low profile suitable for most mid-tower cases. The exterior features a matte white finish that complements light-themed builds, while the internal layout prioritises airflow and component accessibility.

04ACOUSTICS
Silent Operation via Hybrid Fan
A 135mm fan on a fluid dynamic bearing runs quietly thanks to digital hybrid control. This system adjusts speed based on load, keeping noise levels low during idle states while providing sufficient airflow under heavy duty, extending the fan’s life expectancy to 50,000 hours.
05DETAILS
Braided Cables and Full Modularity
Every connection uses individual white cables with a braided pattern, reducing bulk and improving visual cohesion within the case. Fully modular connectors allow you to plug in only what you need, simplifying assembly and enhancing internal airflow by eliminating unused cable loops.


06AT A GLANCE
The key points
- 850W continuous output compliant with ATX 3.1 and PCIe 5.1 standards
- Fully modular design with individual white braided cables
- 135mm fluid dynamic bearing fan with digital hybrid control
- Compact 140mm depth fits standard mid-tower cases
- 10-year warranty covers long-term reliability
07
FOCUS GX White ATX 3
Following the well-established legacy of the Seasonic FOCUS Series, the FOCUS GX White Series has been upgraded to comply with the ATX 3.1 and PCIe 5.1 standards. It offers a complete range of power supplies from 750W to 1000W, all within a compact 140mm depth. Each unit features a 135mm fan, a 12V-2 6 cable, our new OptiSink technology and a stunning white finish. These units are designed to be perfect allies in powering the latest high-power graphics cards and processors available on the market.

SPECIFICATIONS
- Platinum
- Technical Specifications
- 80PLUS
- Gold
- Cybenetics Efficiency Level
- TBA
- Cybenetics Noise Level
- TBA
- Form Factor
- ATX/EPS
- Fan Information · Fan Size · 135 mm
- Fan Control
- Digital Hybrid Fan Control
- Fan Bearing
- Fluid Dynamic Bearing
- Life Expectancy
- 50,000 hours at 40 C, 15 % – 65 % RH
- Cable Information · Modularity · Fully Modular
- Cable type
- Individual White Cables with Braided Pattern
- Electrical Features · Operating Temperature · 0 – 50 C
- MTBF @ 25 C, excl. fan
- 100,000 hours
- AC Input
- Full Range
- Protection
- OCP, OPP, OTP, OVP, SCP, UVP
- Safety and Environmental · Safety and EMC · BSMI, CB, CCC, CE, cTUVus, EAC, FCC, TUV
- Environmental Compliance
- Energy Star, ErP Lot 6, REACH, RoHS, WEEE
- Warranty
- 10 Years
- Power Output
- AC Input
- Voltage: 100 V – 240 V
- Current
- 11 – 5.5 A
- Frequency
- 50 Hz – 60 Hz
- DC Output · Rail · +3.3 V · +5 V · +12 V · -12 V · +5 VSB
- Maximum Power · 20 A · 20 A · 70 A · 0.3 A · 3 A
- 100 W · 840 W · 3.6 W · 15 W
- Total continuous power
- 850 W














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