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Seasonic core gx-850 850w atx 3.1 psu 80+ gold cybenetics platinum fully modular pcie 5.1 12v-2x6 white

Product image: Seasonic core gx-850 850w atx 3.1 psu 80+ gold cybenetics platinum fully modular pcie 5.1 12v-2x6 white-null
Product image: Seasonic core gx-850 850w atx 3.1 psu 80+ gold cybenetics platinum fully modular pcie 5.1 12v-2x6 white-null
Product image: Seasonic core gx-850 850w atx 3.1 psu 80+ gold cybenetics platinum fully modular pcie 5.1 12v-2x6 white-null
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Seasonic core gx-850 850w atx 3.1 psu 80+ gold cybenetics platinum fully modular pcie 5.1 12v-2x6 white

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From: Singular Computers Systems LTD
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Description

Item No. 9abba3cd-054b-4aaf-9024-905cec74da5f
Seasonic Core GX-850 850W White Power Supply 850W80+ GoldCybenetics PlatinumFully Modular The Seasonic Core GX-850 in white is an 850 watt fully modular ATX power supply that brings trusted Seasonic build quality and modern-GPU compatibility to mainstream-to-high-end and white-themed gaming builds. Supplied under part number SRP-CGX851-A5A32SF-W, it is ATX 3.1 and PCIe 5.1 ready with a 12V-2x6 cable, and pairs 80 PLUS Gold efficiency with a higher Cybenetics Platinum rating plus premium Japanes

Details

Seasonic Core GX-850 850W White Power Supply

850W80+ GoldCybenetics PlatinumFully Modular

The Seasonic Core GX-850 in white is an 850 watt fully modular ATX power supply that brings trusted Seasonic build quality and modern-GPU compatibility to mainstream-to-high-end and white-themed gaming builds. Supplied under part number SRP-CGX851-A5A32SF-W, it is ATX 3.1 and PCIe 5.1 ready with a 12V-2x6 cable, and pairs 80 PLUS Gold efficiency with a higher Cybenetics Platinum rating plus premium Japanese capacitors. Typically in stock with fast delivery across Cyprus.

Before you buy — fit & compatibility
This is a standard ATX-format, fully modular unit in a clean white finish for light-themed builds. The 12V-2x6 cable powers modern ATX 3.1 / PCIe 5.1 graphics cards directly; older cards use the included 8-pin PCIe cables. Note that the Core GX runs its fan continuously with a low-noise curve rather than a fan-off mode.

Best For

✓Mainstream-to-high-end gaming PCs
✓White-themed and showcase builds
✓PCIe 5.1 / 12V-2x6 graphics card builds
✓Single modern GPU + multi-core CPU systems
✓Reliable everyday workstations
✓Builders who trust the Seasonic name

Key Features

 
ATX 3.1 · PCIe 5.1 · 12V-2x6
ATX 3.1 and PCIe 5.1 ready with a 12V-2x6 cable that powers the latest graphics cards directly, plus 8-pin PCIe cables for older cards.
 
80+ Gold · Cybenetics Platinum
Certified 80 PLUS Gold with a higher Cybenetics Platinum efficiency rating, so it wastes less energy as heat and runs cooler under load.
 
Fully Modular · Clean White
Attach only the cables you need for a tidy build, in a fully white finish that blends into light-themed showcase systems.
 
Premium Japanese Capacitors
Built with premium Japanese capacitors and Seasonic engineering for stable, reliable power that lasts in long-term use.

Technical Specifications

Identification
Part Number SRP-CGX851-A5A32SF-W
EAN / GTIN 4711173878728
MPN Core GX-850 White
Power
Maximum OuTPUt 850 W
Form Factor ATX (ATX 3.1)
Rail Design Single +12V rail
Efficiency 80 PLUS Gold · Cybenetics Platinum
Design
Modularity Fully modular
Main GPU Connector 12V-2x6 (12+4 pin) — PCIe 5.1, up to 600 W to one card
Capacitors Premium Japanese
Cooling
Fan 120 mm — continuous low-noise fan curve
Protection
Safety OVP / UVP / OPP / OCP / SCP / OTP
Physical
Colour White
Warranty
Manufacturer Warranty 7-year limited

Frequently Asked Questions

Does the Core GX-850 work with the latest GeForce RTX graphics cards?
Yes. It is ATX 3.1 and PCIe 5.1 ready with a 12V-2x6 cable, the power connector used by modern graphics cards, so you can power a current GPU directly. Traditional PCIe cables are also included for older cards.
Is this power supply modular?
Yes. The Core GX-850 is fully modular, so every cable detaches — install only what your build needs for cleaner cable management and better airflow.
Does it have a fanless / Zero RPM mode?
No. The Core GX runs its 120 mm fan continuously with a low-noise curve that adjusts to load and temperature. If you specifically want a fan-off mode, consider a model that advertises hybrid / Zero RPM operation.
What makes the Core GX different from the Core GC?
The GX is fully modular with a higher Cybenetics Platinum efficiency rating, while the GC is non-modular with fixed cables. Both share 80+ Gold efficiency and Japanese capacitors.
Singular Expert Insight
The white Core GX-850 is a strong pick for a clean single-GPU build: it brings Seasonic reliability, ATX 3.1, a 12V-2x6 cable, fully modular cabling, Japanese capacitors and Cybenetics Platinum efficiency in a finish that suits light-themed cases. The one thing to note is the continuously running fan — quiet, but without a fan-off mode — so if silence at idle is a priority, look at a hybrid-fan model. For most builds it is an excellent, dependable choice. Compare options across our PC power supplies, or pair it with a new graphics card to complete your build.

Buyer’s Guide

Buy it if
You want trusted Seasonic quality with ATX 3.1, a 12V-2x6 cable, fully modular cabling and Cybenetics Platinum efficiency in a clean white finish.
Skip it if
You want a fan-off / Zero RPM mode, prefer a black PSU, or run a flagship GPU that benefits from a larger 1000 W-plus unit.
Also consider
The non-modular Seasonic Core GC-850 for a lower price, or a 1000 W unit if you plan to upgrade to a more power-hungry GPU.