Seasonic FOCUS GX-850 White ATX 3.1 850W 80 Plus Gold PSU

Premium White Power for High-Performance Gaming and Creator PCs

The Seasonic FOCUS GX-850 White ATX 3.1 combines premium aesthetics, industry-leading reliability and next-generation power delivery in a compact, fully modular design. Built for enthusiasts, gamers, content creators and professional users, this 850W power supply provides the performance and efficiency needed for today's powerful graphics cards and processors while supporting the latest ATX 3.1 and PCIe 5.1 standards.

Finished in a striking white colour scheme and supplied with premium white braided cables, the FOCUS GX-850 White is the perfect choice for modern showcase builds, high-end gaming PCs and professional workstations.

Key Features & Benefits

Reliable 850W Continuous Power

The FOCUS GX-850 White delivers 850W of stable continuous power, making it ideal for demanding gaming systems and productivity workstations.

Perfect for:

• High-performance gaming PCs
• Content creation workstations
• Streaming systems
• AMD Ryzen 7 & Ryzen 9 builds
• Intel Core i7 & i9 platforms
• High-end graphics cards
• Future hardware upgrades

The powerful +12V rail provides up to 840W, ensuring stable performance under heavy workloads.

ATX 3.1 & PCIe 5.1 Ready

Built to support the latest PC hardware standards.

Features include:

• ATX 3.1 Compliance
• PCIe 5.1 Compatibility
• Enhanced Power Excursion Support
• Improved GPU Stability
• Future-Ready Design

Designed to handle the demanding power requirements of current and next-generation graphics cards.

80 Plus Gold Certified Efficiency

The FOCUS GX-850 White is 80 Plus Gold certified, providing highly efficient power conversion and reducing wasted energy.

Benefits include:

• Lower electricity consumption
• Reduced heat output
• Improved PSU efficiency
• Lower operating costs
• Better long-term reliability

Perfect for systems that are used heavily for gaming, rendering or productivity tasks.

Fully Modular Cable Design

Connect only the cables your system requires.

Advantages:

• Cleaner cable management
• Improved internal airflow
• Easier installation
• Reduced clutter
• Simpler upgrades and maintenance

An ideal solution for custom-built systems.

Premium White Braided Cables

The individually sleeved white braided cables complement modern white-themed builds and create a professional finish.

Ideal for:

• White gaming PCs
• RGB showcase builds
• Creator workstations
• Premium custom systems

The high-quality braided finish enhances both durability and appearance.

Hybrid Silent Fan Control

Seasonic's patented Hybrid Silent Fan Control intelligently balances cooling and acoustics.

Fanless Mode

The fan remains off at low loads for completely silent operation.

Silent Mode

The fan spins slowly during moderate workloads to minimise noise.

Cooling Mode

The fan automatically increases speed under heavy loads to maintain optimal temperatures.

This three-stage system delivers exceptional cooling while keeping noise levels to a minimum.

Premium Fluid Dynamic Bearing Fan

The integrated Fluid Dynamic Bearing (FDB) fan provides reliable cooling with excellent longevity and low acoustic output.

Benefits include:

• Reduced vibration
• Quieter operation
• Improved cooling efficiency
• Longer service life
• Enhanced overall durability

The fan is rated for up to 50,000 hours of operation.

Proven Seasonic Engineering

The FOCUS series has become one of the most respected power supply ranges available thanks to its quality construction and dependable performance.

Key advantages include:

• Excellent voltage regulation
• Premium internal components
• Long-term reliability
• High-quality manufacturing
• Consistent power delivery

Comprehensive Protection Features

Advanced protection circuitry helps protect both the PSU and connected components.

Protection Systems Include:

• OPP (Over Power Protection)
• OVP (Over Voltage Protection)
• UVP (Under Voltage Protection)
• OCP (Over Current Protection)
• OTP (Over Temperature Protection)
• SCP (Short Circuit Protection)

Providing peace of mind for high-value PC hardware.

Ideal For

✅ White Gaming PC Builds
✅ RTX 4070 Ti / RTX 4080 / RTX 5080 Systems
✅ AMD Ryzen 7 & Ryzen 9 Platforms
✅ Intel Core i7 & i9 Systems
✅ Content Creation Workstations
✅ Streaming PCs
✅ Productivity Systems
✅ Future PCIe 5.1 Upgrades

Technical Specifications

General

• Brand: Seasonic
• Model: FOCUS GX-850 White
• Part Number: FOCUS-GX-850-V4-WHITE
• Colour: White
• Form Factor: ATX / EPS

Power

• Total Continuous Power: 850W
• 80 Plus Gold Certified

Electrical Specifications

• Input Voltage: 100V - 240V
• Input Current: 12A - 6A
• Frequency Range: 50Hz - 60Hz
• Full Range AC Input

Cooling

• 120mm Fan
• Fluid Dynamic Bearing (FDB)
• S3FC Hybrid Silent Fan Control
• Fanless Mode Support
• Fan Life Expectancy: 50,000 Hours

Reliability

• MTBF: 100,000 Hours

Cable Design

• Fully Modular
• Individual White Braided Cables

Protection Features

• OPP
• OVP
• UVP
• OCP
• OTP
• SCP

Power Distribution

Total Continuous Power: 850W

Dimensions

• 140 × 150 × 86mm

Operating Temperature

• 0°C to 40°C

Certifications

• 80 Plus Gold
• CE
• CB
• TUV
• cTUVus
• CCC
• BSMI
• EAC

Environmental Compliance

• Energy Star
• RoHS
• WEEE
• REACH
• ErP Lot 6

Warranty

• Manufacturer Warranty: 10 Years*

*The product title references a 12-year warranty; however, the supplied manufacturer specifications list a 10-year warranty.

What's in the Box?

• Seasonic FOCUS GX-850 White Power Supply
• Fully Modular White Cable Set
• Motherboard Power Cable
• CPU Power Cables
• PCIe Power Cables
• Mounting Screws
• User Documentation

Why Choose the Seasonic FOCUS GX-850 White?

The Seasonic FOCUS GX-850 White ATX 3.1 delivers premium efficiency, exceptional reliability and stunning aesthetics for enthusiasts building a high-performance white-themed PC. Featuring 850W of continuous power, 80 Plus Gold certification, ATX 3.1 and PCIe 5.1 compatibility, premium white braided modular cables, and advanced Hybrid Silent Fan Control, it provides everything needed for modern gaming and workstation systems. Backed by Seasonic's renowned engineering expertise and long-term durability, the FOCUS GX-850 White is an outstanding choice for builders who want powerful performance without compromising style.