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

Premium White Power for Modern Gaming and Creator PC Builds

The Seasonic CORE GX-850 White ATX 3.1 combines premium efficiency, future-ready connectivity and stunning white aesthetics in a fully modular power supply built for gaming, content creation and high-performance PC builds. Delivering 850W of continuous power, this PSU offers the stability and reliability required by modern CPUs and graphics cards while meeting the latest ATX 3.1 and PCIe 5.1 standards.

Featuring 80 Plus Gold certification, a native 12V-2x6 connector, premium white braided cables, Seasonic's advanced OptiSink thermal design, and intelligent Smart & Silent Fan Control (S²FC) technology, the CORE GX-850 White is the ideal foundation for powerful white-themed PC builds.

Key Features & Benefits

Reliable 850W Continuous Power

The CORE GX-850 White provides 850W of stable continuous power, making it an excellent choice for demanding gaming and workstation systems.

Perfect for:

• High-performance gaming PCs
• Content creation systems
• Video editing workstations
• Streaming setups
• AMD Ryzen platforms
• Intel Core i7 and i9 builds
• Future hardware upgrades

Its powerful +12V rail delivers up to 840W, ensuring dependable performance under heavy workloads.

ATX 3.1 & PCIe 5.1 Ready

Built around the latest industry standards, the CORE GX-850 White delivers excellent compatibility with current and future hardware.

Key benefits include:

• ATX 3.1 compliance
• PCIe 5.1 compatibility
• Enhanced transient power handling
• Improved GPU stability
• Future-ready platform support

Native 12V-2x6 GPU Connection

The included native 12V-2x6 cable supports modern graphics cards requiring up to 600W power delivery.

Advantages include:

• Direct GPU connectivity
• Cleaner installations
• Improved power delivery
• Reduced cable clutter
• Full PCIe 5.1 compliance

Compatible with:

• NVIDIA GeForce RTX 40 Series
• NVIDIA GeForce RTX 50 Series
• Future PCIe 5.1 graphics cards

Legacy GPU Compatibility

For users upgrading existing systems, the PSU includes a 12V-2x6 to dual 8-pin PCIe adapter cable.

This provides:

• Backward compatibility
• Easier system upgrades
• Support for previous-generation GPUs
• Greater build flexibility

80 Plus Gold Certified Efficiency

The CORE GX-850 White is certified to the 80 Plus Gold standard, delivering excellent energy efficiency.

Benefits include:

• Lower electricity consumption
• Reduced heat generation
• Improved performance efficiency
• Lower operating costs
• Increased reliability

Cybenetics Platinum Efficiency Rating

Beyond the 80 Plus Gold certification, this model also achieves a Cybenetics Platinum Efficiency Rating, demonstrating excellent real-world power efficiency.

Cybenetics A- Noise Rating

The PSU's Cybenetics A- Noise Rating confirms low-noise operation, making it suitable for quiet gaming and professional environments.

Fully Modular Cable Design

The fully modular architecture allows users to install only the necessary cables.

Benefits:

• Cleaner cable management
• Improved airflow
• Easier installation
• Reduced clutter
• Simplified upgrades

Ideal for showcase systems and premium custom builds.

Premium White Braided Cables

The individually sleeved white cables complement modern white PC components and premium build themes.

Perfect for:

• White gaming PCs
• RGB showcase systems
• Creator workstations
• Minimalist desktop builds

The braided finish provides both durability and excellent aesthetics.

Advanced Seasonic OptiSink Design

Seasonic's innovative OptiSink thermal architecture significantly improves cooling efficiency and heat dissipation.

Advantages include:

• Improved airflow
• Lower internal temperatures
• Enhanced durability
• Increased efficiency
• Better long-term reliability

The refined internal layout also supports installation in various orientations.

Smart & Silent Fan Control (S²FC)

The intelligent S²FC cooling system dynamically adjusts fan speeds according to system temperatures.

Benefits include:

• Quiet low-load operation
• Efficient cooling under stress
• Reduced acoustic output
• Improved thermal performance

120mm Hydro Dynamic Bearing Fan

Cooling is provided by a premium 120mm Hydro Dynamic Bearing (HDB) fan designed for reliability and low noise.

Features:

• Smooth operation
• Reduced vibration
• Long service life
• Stable airflow
• Quiet performance

Rated for approximately 25,000 hours of operation.

Comprehensive Protection Features

Advanced protection circuitry safeguards both the PSU and connected hardware.

Protection Technologies Include:

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

Ideal For

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

Technical Specifications

General

• Brand: Seasonic
• Model: CORE GX-850 White ATX 3.1
• Part Number: SRP-CGX851-A5A32SF-W
• Colour: White
• Form Factor: ATX / EPS

Power

• Total Continuous Power: 850W
• 80 Plus Gold Certified
• Cybenetics Platinum Efficiency Rating
• Cybenetics A- Noise Rating

Electrical Specifications

• Input Voltage: 100V - 240V
• Input Current: 11A - 5.5A
• Frequency Range: 50Hz - 60Hz
• Full Range AC Input

Cooling

• 120mm Fan
• Hydro Dynamic Bearing (HDB)
• Smart & Silent Fan Control (S²FC)
• Fan Life Expectancy: 25,000 Hours

Reliability

• MTBF: 100,000 Hours

Cable Design

• Fully Modular
• Individual White Braided Cables

Protection Features

• OCP
• OPP
• OTP
• OVP
• UVP
• SCP

Power Distribution

Total Continuous Power: 850W

Dimensions

• 140 × 150 × 86mm

Operating Temperature

• 0°C to 50°C

Certifications

• CE
• FCC
• CB
• CCC
• cTUVus
• TUV
• UKCA
• EAC
• BSMI

Environmental Compliance

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

Warranty

• 7-Year Manufacturer Warranty

What's in the Box?

• Seasonic CORE GX-850 White Power Supply
• Fully Modular White Cable Set
• Native 12V-2x6 PCIe Cable
• 12V-2x6 to Dual 8-Pin PCIe Adapter
• Mounting Screws
• User Documentation

Why Choose the Seasonic CORE GX-850 White?

The Seasonic CORE GX-850 White ATX 3.1 is a premium power supply that combines outstanding efficiency, modern connectivity and elegant aesthetics. Featuring 850W of continuous power, 80 Plus Gold certification, ATX 3.1 and PCIe 5.1 compliance, a fully modular cable design, premium white braided cables, and Seasonic's advanced OptiSink cooling architecture, it provides the performance and reliability required for modern gaming systems and professional workstations. Backed by a 7-year manufacturer warranty, the CORE GX-850 White is the perfect choice for builders seeking dependable power and a clean, high-end white build.