Focus GX V4 850W Power Supply ATX 3.1 Modular 80 Plus Gold

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Tracked since 27th Oct 2026About this product
The Seasonic Focus GX V4 850W Power Supply ATX 3.1 Modular 80 Plus Gold is stocked by 2 shops we compare on Shopperazzi. Listed prices start at £118.53 and go up to £147.90.
The Seasonic FOCUS GX V4 850W White is a premium fully modular ATX 3.1 power supply designed for modern gaming PCs, workstations and high-performance systems. It combines 80 PLUS Gold efficiency with PCIe 5.1 support, native 12V-2x6 connectivity and Seasonic's OptiSink thermal design. A large 135mm Fluid Dynamic Bearing fan works with Digital Hybrid Fan Control to provide an excellent balance of quiet operation and thermal performance, while the compact 140mm chassis simplifies installation.Key Features80 PLUS Gold (90% efficiency at 50% system load).ATX 3.1 and PCIe 5.1 support.Native 12V-2x6 connectivity for modern graphics cards.Fully Modular cable design.135mm Fluid Dynamic Bearing (FDB) fan.Digital Hybrid Fan Control with Fanless, Silent and Cooling modes.Seasonic OptiSink thermal design for improved heat dissipation.Comprehensive OCP, OPP, OTP, OVP, SCP and UVP protection.10-year manufacturer's warranty.Full SpecificationModel: FOCUS GX V4 850W White ATX 3.1Manufacturer Part Number: FOCUS-GX-850-V4-WHITEOutput Power: 850W continuous powerEfficiency: 80 PLUS Gold (90% efficiency at 50% system load)Voltage Rails: Single +12V rail+12V Output: 70A / 840WATX Form Factor: ATX/EPSATX Standard: ATX 3.1PCIe Standard: PCIe 5.1Cabling: Fully ModularConnectors:1 x 20+4-pin ATX2 x 4+4-pin CPU/EPS1 x 12V-2x6 (12+4-pin)3 x 6+2-pin PCIe8 x SATA3 x 4-pin MolexFan: 135mm Fluid Dynamic Bearing (FDB) fanFan Speed Control: Digital Hybrid Fan Control with Fanless, Silent and Cooling modesPower Input: 100-240V AC, 50/60HzOperating Temperature: 0-50CPower Output: DC outputs: +12V, +5V, +3.3V, -12V and +5VSBCable Set: Individual white cables with braided patternProtection:OCP - Over Current ProtectionOPP - Over Power ProtectionOTP - Over Temperature ProtectionOVP - Over Voltage ProtectionSCP - Short Circuit ProtectionUVP - Under Voltage ProtectionSpecial Features: Seasonic OptiSink thermal design, native PCIe 5.1 12V-2x6 connectivity, compact 140mm chassis
Specifications
- pa_mpn
- 3365, pa_sku: 3552, pa_gtin-ean: 3366, pa_manufacturer: 3534
Product details
- Brand
- Seasonic
- Model
- FOCUS-GX-850-V4-WHITE
- GTIN
- 04711173878568
- Condition
- new
- Category
- Power Supplies











