Seasonic Focus GX ATX 3.1 Power Supply 850W White
Seasonic Focus GX ATX 3.1 Power Supply 850W White, photo 2
Seasonic Focus GX ATX 3.1 Power Supply 850W White, photo 3
Seasonic Focus GX ATX 3.1 Power Supply 850W White, photo 4
Seasonic Focus GX ATX 3.1 Power Supply 850W White, photo 5
Seasonic Focus GX ATX 3.1 Power Supply 850W White, photo 6
Seasonic Focus GX ATX 3.1 Power Supply 850W White, photo 7
Seasonic Focus GX ATX 3.1 Power Supply 850W White, photo 8
Seasonic

Seasonic Focus GX ATX 3.1 Power Supply 850W White

SKU HC-331799MPN FOCUS-GX-850-V4-WHITE

  • 850 W
  • 80 Plus Gold
  • ATX

Highlights

  • 850W continuous power on a single +12V rail
  • 80 PLUS Gold certified up to 90% efficiency
  • Native 12VHPWR connector for PCIe 5.1 GPUs
  • 135mm fluid dynamic bearing fan with semi-passive mode
  • OptiSink layout improves airflow and thermals
  • Fully modular white cables included

Key specs

Wattage
850 W
Efficiency
80 Plus Gold
Fully modular
Yes
Form factor
ATX
Fan Size
135 mm
ATX Standard
ATX 3.1
All specifications
$129.99
  • ≈ 0.001685 BTC
  • ≈ 0.05677 ETH
  • ≈ 130.12 USDT

In stock Ships by Tue, Nov 10 when paid today.

  • Delivery to the United States: $39.90 DHL Express Worldwide · arrives Wed, Nov 11 – Mon, Nov 16 if paid today
  • Rate locked at checkout Up to 60 min to send BTC, 30 min for ETH and USDT
  • New, sealed and genuine Full manufacturer warranty
  • 30-day returns Unused items in original packaging
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Overview

A fully modular ATX 3.1 power supply delivering 850W with 80 PLUS Gold efficiency. Built for high-end gaming PCs that need PCIe 5.1 graphics support.

Design and Cooling

The unit uses a compact OptiSink internal layout that frees up space for better airflow. A 135mm fluid dynamic bearing fan runs quietly and stops completely at low loads thanks to semi-passive operation.

Performance and Standards

Rated at 850W with 840W available on the +12V rail, the PSU meets ATX 3.1 and PCIe 5.1 specifications. 80 PLUS Gold certification ensures up to 90% efficiency at typical loads, reducing heat and noise.

Connectivity

One native 12+4-pin 12VHPWR connector powers modern graphics cards directly. Additional outputs include two 4+4-pin CPU, two 6+2-pin PCIe, three SATA, and one Molex connector on fully modular cables.

Included Accessories

The package contains the power supply, a 24-pin motherboard cable, a 12V-2x6 GPU cable, two CPU cables, two PCIe cables, two SATA cables, and one Molex cable.

Focus GX ATX 3.1 Power Supply 850W White specifications

General
BrandSeasonic
Manufacturer part no.FOCUS-GX-850-V4-WHITE
EAN4711173878568
Fan Specifications
Fan Size135 mm
Power Supply
PSU FormatATX
ATX StandardATX 3.1
12V Distributionsingle rail
Modular Power SupplyYes
Power Specifications
Total Power Output850 W
Power Output +12V rails840 W
Cable Specifications
Max. CPU Power Cable Length700 mm
Max. 24-Pin Motherboard Power Cable Length610 mm
Cooling
Semi Passive Power SupplyYes
Internal Ports
CPU Power Connectors 12V ATX/EPS2
12VHPWR PCIe Power Connectors1
8 Pin PCIe Power Connectors3
6+2 Pin PCIe Power Connectors2
SATA Power Connectors3
Efficiency Class
80PLUS Efficiency80 PLUS Gold
Lighting
Lighting / RGBNo
Color
Primary ColorWhite
Dimensions
Length / Depth140 mm
Width150 mm
Height86 mm

Specifications come from the manufacturer and can change without notice. Check the box contents and compatibility before ordering; our team answers questions within one business day.

Shipping & returns

Delivery to the United States: $39.90DHL Express Worldwide · arrives Wed, Nov 11 – Mon, Nov 16 if paid today

Ships from our warehouse in Germany: in stock, it leaves within 1–2 business days, tracked to the door.
ToBusiness daysThis item
GermanyDHL Paket1–2$5.90
Other EU countriesDHL Parcel International2–8$11.90–$15.90
UK, Switzerland and NorwayDHL Parcel International3–7$24.90
United States and CanadaDHL Express Worldwide2–5$39.90
Asia and the Middle EastDHL Express Worldwide2–5$49.90
Australia and New ZealandDHL Express Worldwide3–6$59.90
  • Discreet packaging Plain, unbranded box — no crypto or brand references outside
  • Returns 30 days for unused items in original packaging; faulty items are on us
Rates and delivery times by country

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