{"product_id":"seasonic-core-gx-850w-atx-3-1-80-plus-gold-modular-psu-black","title":"Seasonic CORE GX 850W ATX 3.1 80 Plus Gold Modular PSU Black","description":"\u003cp\u003eThe Seasonic CORE GX 850W ATX 3.1 80 Plus Gold Modular PSU is designed for PC enthusiasts and system builders who need reliable, efficient power without overpaying for features they don't use. It delivers 850W of fully modular output with 80 PLUS Gold certification, making it a practical choice for high-performance builds that demand clean power and easy cable management. Native PCIe 5.1 support and a bundled legacy adapter mean it works with both current-generation and older graphics cards.\u003c\/p\u003e\u003ch5\u003eWhy This Product\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eATX 3.1 and PCIe 5.1 ready\u003c\/strong\u003e — Compliant with the latest ATX 3.1 and PCIe 5.1 standards, it includes a native 12V-2x6 cable for next-generation graphics cards out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e90% efficiency at 50% load\u003c\/strong\u003e — 80 PLUS Gold certification means it achieves 90% efficiency at 50% system load, reducing waste heat and keeping electricity costs down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully modular cable design\u003c\/strong\u003e — Every cable detaches completely, so unused connectors stay out of the case entirely, simplifying builds and improving airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet Hydro Dynamic Bearing fan\u003c\/strong\u003e — The 120 mm fan uses a Hydro Dynamic Bearing rated for 25,000 hours at 40 °C and pairs with Smart and Silent Fan Control to minimise noise during light loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLegacy GPU support included\u003c\/strong\u003e — A 12V-2x6 to 2× 8-pin PCIe adapter cable is included, so older graphics cards remain fully supported without buying extra accessories.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7-year worldwide warranty\u003c\/strong\u003e — Backed by Sea Sonic's 7-year worldwide manufacturer's warranty, giving long-term assurance for a component that sits at the heart of any build.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eAt a Glance\u003c\/h5\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePower Output\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e850W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eEfficiency\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e80 PLUS Gold (90% at 50% load)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eModularity\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eFully Modular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eATX Standard\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eATX 3.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePCIe Standard\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003ePCIe 5.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e7-year worldwide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e140 × 150 × 86 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eColour\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch5\u003eCompatibility\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e✓ Compatible with ATX and EPS form-factor motherboards and cases.\u003c\/li\u003e\n\u003cli\u003e✓ Supports PCIe 5.1 graphics cards via the included native 12V-2x6 cable.\u003c\/li\u003e\n\u003cli\u003e✓ Compatible with legacy GPUs using the included 12V-2x6 to 2× 8-pin PCIe adapter cable.\u003c\/li\u003e\n\u003cli\u003eNote: Fully modular design — all cables must be sourced from the included set or verified Seasonic-compatible replacements, as pin layouts vary between brands.\u003c\/li\u003e\n\u003cli\u003eNote: Measures 140 × 150 × 86 mm; verify your case supports a standard ATX PSU at this depth before purchasing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eBest For \/ Trade-offs\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-end GPU builds:\u003c\/b\u003e 850W headroom and native PCIe 5.1 support make it suitable for systems running current-generation discrete graphics cards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuilders upgrading their PSU without changing their GPU:\u003c\/b\u003e The included legacy adapter removes the need to buy a separate cable when pairing this unit with an older graphics card.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNoise-sensitive builds:\u003c\/b\u003e Smart and Silent Fan Control reduces fan activity at low loads, making it well-suited to quiet workstation or gaming setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLong-term ownership:\u003c\/b\u003e The 7-year worldwide warranty and 25,000-hour fan life rating suit buyers who keep components for many years.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eClean cable-management builds:\u003c\/b\u003e Full modularity means only the cables actually needed are installed, keeping the interior tidy.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eTrade-offs:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVery high-wattage workloads:\u003c\/b\u003e The range tops out at 850W in this configuration; builds requiring more than that should consider a higher-output unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhite-themed builds:\u003c\/b\u003e This variant is black only; a white colour option exists in the CORE GX ATX 3.1 range but is a separate product.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBudget-priority builders:\u003c\/b\u003e 80 PLUS Gold efficiency and a 7-year warranty carry a cost premium over Bronze-rated alternatives; buyers with strict budget constraints may find lower-tier options more appropriate.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eDescription\u003c\/h5\u003e\u003cp\u003eThe updated Seasonic CORE GX ATX 3.1 Series complies with the latest ATX 3.1 and PCIe 5.1 standards and includes four output ranges from 1000 W to 650 W in both black and white colors. Catering to a broad spectrum of PC enthusiasts and system builders, these power supplies provide a fine balance between cost and performance. The 80 PLUS® Gold certified Seasonic's Core GX line is a fully modular design equipped with black cables featuring a braided pattern. These power supplies are solid performers for a large range of applications, where a 120 mm Hydro Dynamic Bearing fan is combined with Seasonic's Smart and Silent Fan Control to ensure the optimal cooling performance at the lowest possible noise level.\u003c\/p\u003e\u003cp\u003eThese quality power supplies are backed up by Sea Sonic's 7-year worldwide manufacturer's warranty. The CORE GX ATX 3.1 (2024) Series achieves 80 PLUS® Gold certification with its 90 % efficiency at 50 % system load.\u003c\/p\u003e\u003cp\u003eTo ensure compatibility with older GPUs, the CORE GX ATX 3.1 includes a 12V-2x6 to 2× 8-pin PCIe adapter cable. It delivers reliable power up and works seamlessly with graphics cards from previous generations. This cable makes it easy to upgrade your PSU without changing your GPU—perfect for users who want next-gen power with legacy support.\u003c\/p\u003e\u003cp\u003eIn Sea Sonic's patented design feature full modularity comes hand-in-hand with the extensive use of SMD technology to increase the overall performance and reliability of this power supply. The simple and inventive layout scheme helps to attain unsurpassed quality and performance, where efficiency is further enhanced by minimized line resistance, reduced voltage drop and lower impedance.\u003c\/p\u003e\u003ch5\u003eSpecifications\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eGeneral\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eSeasonic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eSRP-CGX851-A5A32SF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eColour\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eForm Factor\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eATX\/EPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e140 × 150 × 86 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003ePower \u0026amp; Efficiency\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePower Output\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e850W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eEfficiency Rating\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e80 PLUS Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eEfficiency at 50% Load\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eATX Standard\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eATX 3.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003ePCIe Standard\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003ePCIe 5.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eModularity\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eFully Modular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eCable Type\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eIndividual Black Cables with Braided Pattern\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eFan Size\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eFan Bearing\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eHydro Dynamic Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eFan Control\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eSmart and Silent Fan Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eFan Life Expectancy\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e25,000 hours at 40 °C, 15%–65% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWarranty \u0026amp; Compliance\u003c\/strong\u003e\u003c\/p\u003e\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;margin-bottom:10px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e7-year worldwide manufacturer's warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;font-weight:bold;width:35%;\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e80 PLUS Gold, ATX 3.1, PCIe 5.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Seasonic","offers":[{"title":"Default Title","offer_id":55666105647480,"sku":"SEA-755","price":134.03,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/9119\/7218\/files\/PSSEA-COREGX85V2.jpg?v=1790263430","url":"https:\/\/tech-syndicate.co.uk\/products\/seasonic-core-gx-850w-atx-3-1-80-plus-gold-modular-psu-black","provider":"Tech Syndicate","version":"1.0","type":"link"}