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Seasonic focus gx-1000 v4 atx 3.1 1000w fully modular power supply 80 plus gold 12v-2x6 black

Product image: Seasonic focus gx-1000 v4 atx 3.1 1000w fully modular power supply 80 plus gold 12v-2x6 black-null
Product image: Seasonic focus gx-1000 v4 atx 3.1 1000w fully modular power supply 80 plus gold 12v-2x6 black-null
Product image: Seasonic focus gx-1000 v4 atx 3.1 1000w fully modular power supply 80 plus gold 12v-2x6 black-null
Product image: Seasonic focus gx-1000 v4 atx 3.1 1000w fully modular power supply 80 plus gold 12v-2x6 black-null
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Seasonic focus gx-1000 v4 atx 3.1 1000w fully modular power supply 80 plus gold 12v-2x6 black

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Description

Item No. 1b1db8c5-c028-4c26-bba0-3d42257d5c26
Seasonic Focus GX-1000 V4 ATX 3.1 Power Supply 1000W80 Plus GoldATX 3.1 / 12V-2x6OptiSink + Fanless The Seasonic Focus GX-1000 V4 is a fully modular ATX 3.1 power supply with 80 Plus Gold (and Cybenetics Gold) efficiency, built for high-end gaming PCs and workstations running PCIe 5.1 graphics cards. It carries part number FOCUS-GX-1000-V4 (EAN 4711173878421) and includes a native 12V-2x6 cable that powers current-generation GPUs directly. This 2024 V4 revision adds Seasonic's OptiSink thermal

Details

Seasonic Focus GX-1000 V4 ATX 3.1 Power Supply

1000W80 Plus GoldATX 3.1 / 12V-2x6OptiSink + Fanless
The Seasonic Focus GX-1000 V4 is a fully modular ATX 3.1 power supply with 80 Plus Gold (and Cybenetics Gold) efficiency, built for high-end gaming PCs and workstations running PCIe 5.1 graphics cards. It carries part number FOCUS-GX-1000-V4 (EAN 4711173878421) and includes a native 12V-2x6 cable that powers current-generation GPUs directly. This 2024 V4 revision adds Seasonic's OptiSink thermal design and a 135mm Digital Hybrid Fan with a true fanless mode, all in a compact 140 mm body and backed by a 10-year warranty. Typically in stock with fast delivery across Cyprus.
Compatibility & installation
Complies with ATX 3.1 and PCIe 5.1. The included native 12V-2x6 (12+4 pin, both ends) cable connects directly to current-generation GPUs — ensure both ends are fully inserted and click-locked, and do not bend the cable near the connector. OptiSink allows safe installation in any orientation. Two CPU 8/4-pin cables cover modern motherboards. Fits any case taking a standard ATX PSU at a compact 140 mm depth (140 × 150 × 86 mm). Use only the Seasonic-supplied modular cables — third-party cables can differ in pin configuration and damage your hardware even if the connector physically fits.

Best For

✓High-end gaming builds with RTX 50-series or Radeon GPUs
✓Silent PCs — fanless mode + Cybenetics A- noise
✓Overclocked rigs needing 1000W headroom
✓Compact cases — 140 mm short depth, any orientation
✓Creator and workstation systems needing stable 1000W
✓Long-term reliability seekers (10-year warranty)

Key Features

 
ATX 3.1 & Native 12V-2x6
Ships with a native 12V-2x6 (12+4 pin) cable for PCIe 5.1 GPUs plus three PCIe 8/6-pin cables for current-gen cards — no adapter needed.
 
80 Plus / Cybenetics Gold
80 Plus Gold and Cybenetics Gold certified for high efficiency (90% at 50% load), with less waste heat and lower running costs.
 
OptiSink Thermal Design
A redesigned PCB with smaller MOSFETs and heatsinks gives an eightfold increase in heat dissipation, improving reliability and allowing any-orientation installation.
 
135mm Digital Hybrid Fan
A fluid-dynamic-bearing fan with three-stage Digital Hybrid control — fanless, silent and cooling modes — stays completely silent at low loads (Cybenetics A-).

Technical Specifications

Identification
Part Number FOCUS-GX-1000-V4
EAN / GTIN 4711173878421
MPN FOCUS-GX-1000-V4
Brand / Series Seasonic / Focus GX ATX 3.1 (V4, 2024)
Power
Rated OuTPUt Power 1000W (continuous)
Efficiency 80 Plus Gold + Cybenetics Gold (90% @ 50% load)
Noise Rating Cybenetics A-
+12V Rail Single rail, 83A (996W)
+3.3V / +5V 25A / 25A (125W combined)
AC Input 100–240V, 13–6.5A, 50–60Hz (full range)
Connectors (fully modular)
Motherboard 1 × 24/20 pin
CPU / EPS 2 × 8/4 pin
12V-2x6 (12+4) 1 — native Gen 5, 12+4 to 12+4, no adapter
PCIe 8/6 pin 3
SATA 8
Peripheral (Molex) 3
Design & Cooling
Form Factor ATX/EPS (ATX 3.1 / PCIe 5.1)
Cabling Fully modular — individual black braided cables
Cooling 135mm FDB fan, Digital Hybrid Fan Control (fanless/silent/cooling)
Thermal OptiSink design — up to 8× better heat dissipation, any orientation
MTBF 100,000 hours @ 25°C (excl. fan)
Operating Temperature 0–50°C
Protection & Physical
Protections OCP, OPP, OTP, OVP, SCP, UVP
Dimensions (L×W×H) 140 × 150 × 86 mm
Colour Black
Warranty 10 years

Frequently Asked Questions

Does the Focus GX-1000 V4 support the latest RTX graphics cards?
Yes. It includes a native 12V-2x6 (12+4 pin) cable that connects directly to current-generation PCIe 5.1 GPUs without an adapter. Make sure both ends are fully seated and click-locked before powering on.
Is 1000W enough for a high-end build?
Yes. For a high-end single-GPU build with an overclocked CPU, 1000W gives comfortable headroom and keeps the PSU in its efficient, near-silent load band. It also suits demanding creator and workstation systems.
What does the Digital Hybrid Fan Control do?
It runs the 135mm fan in three stages — Fanless, Silent and Cooling. At low to moderate loads the fan stops entirely for silent operation, only spinning up when extra cooling is needed, which also extends fan life.
What is new in the V4 (2024) version?
The V4 revision introduces Seasonic's OptiSink thermal design with a redesigned PCB for roughly eightfold better heat dissipation, plus full ATX 3.1 / PCIe 5.1 compliance with a native 12V-2x6 cable, while keeping the compact 140 mm body and 10-year warranty.
Singular Expert Insight
Seasonic is one of the most respected names in power supplies, and the Focus GX-1000 V4 shows why: 80 Plus and Cybenetics Gold efficiency, a true fanless mode, the new OptiSink thermal design and a 10-year warranty in a compact 140 mm body. It is an excellent all-round choice for a high-end single-GPU or lightly overclocked build. If your system draws less, the 850W or 750W models (which actually reach Cybenetics Platinum) save money, while the Focus PX steps up to 80 Plus Platinum. Browse the full range of PC power supplies to compare wattages and efficiency tiers.

Buyer's Guide

Buy it if
You want a quiet, high-efficiency 1000W ATX 3.1 PSU from a top-tier brand with a native 12V-2x6 cable and a 10-year warranty.
Skip it if
Your build draws well under ~650W — a smaller unit will run nearer its efficiency sweet spot for less.
Also consider
The Focus GX-850 V4 (Cybenetics Platinum) for lighter builds, or the Focus PX for 80 Plus Platinum.