TheBetterBuy logo
Seasonic Focus GX-850 power supply unit 850 W 20+4 pin ATX ATX White - Image 1
1 / 2

Seasonic Focus GX-850 power supply unit 850 W 20+4 pin ATX ATX White

Seasonic

Compare today's prices on the "Seasonic Focus GX-850 power supply unit 850 W 20+4 pin ATX ATX White".

Available From

(2 stores)
Last Updated: 06/11/2026
Back to the Office logo

Back to the Office

✓In Stock
View Deal
£142.99
★Best Price
Free Shipping 3-5 Days | View More
Quzo UK logo

Quzo UK

✓In Stock
View Deal
£183.51
Free Shipping 5-7 Days | View More
amazon-logo

Amazon

ebay-logo

Ebay

*This site uses affiliate links. If you make a purchase through one of them, we may earn a small commission — at no additional cost to you.

Product Description

Compare today's prices on the "Seasonic Focus GX-850 power supply unit 850 W 20+4 pin ATX ATX White".

Seasonic Focus GX-850 Power Supply Unit 850 W 20+4 pin ATX ATX White

The Seasonic Focus GX-850 delivers rock-solid, ultra-efficient power for demanding gaming and workstation builds, with an 80 PLUS Gold certification guaranteeing up to 90% efficiency under typical loads. This fully modular ATX 3.0 and PCIe 5.0 ready power supply simplifies cable management and supports the latest graphics cards and motherboards with native 12VHPWR connectors. Building on Seasonic's trusted Focus Series legacy, the GX-850 combines premium Japanese capacitors, a quiet 120mm fluid dynamic bearing fan, and advanced circuit protection for long-term reliability. The sleek white finish adds a clean aesthetic to any system build.

- 80 PLUS Gold certified for high efficiency and lower energy costs

- Fully modular cabling for a tidy build and easy installation

- ATX 3.0 and PCIe 5.0 compliant, including a native 12VHPWR cable

- 850W continuous power, ideal for single GPU setups

- 120mm fluid dynamic bearing fan with smart fan control for quiet operation

- Japanese 105°C rated electrolytic capacitors for enhanced durability

- Multiple protection features: OPP, OVP, UVP, OCP, OTP, and SCP

- 10-year manufacturer warranty for long-lasting peace of mind

- Compact 140mm depth fits most mid-tower cases

Upgrade your system with a power supply that balances performance, silence, and future-proof connectivity.

GTIN: 4711173878568