{"product_id":"asrock-pro-850b-850w-80-plus-bronze-atx-3-1-psu-1","title":"ASRock PRO-850B 850W 80 Plus Bronze ATX 3.1 PSU","description":"\u003cp\u003eThe ASRock PRO-850B 850W 80 Plus Bronze ATX 3.1 PSU is designed for value-focused PC builders who need a dependable power supply with modern connector standards without overspending. It carries 80 PLUS Bronze efficiency certification and is compliant with ATX 3.1 and PCIe 5.1, making it ready for current-generation graphics cards via its native 12V-2x6 connector. A full suite of protection circuits and a 3-year warranty back everyday builds from standard desktop use through more demanding configurations.\u003c\/p\u003e\u003ch5\u003eWhy This Product\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eATX 3.1 and PCIe 5.1 compliant\u003c\/strong\u003e — It meets the ATX 3.1 specification and is PCIe 5.1 ready, so it can handle the power delivery requirements of current-generation GPUs without adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNative 12V-2x6 connector included\u003c\/strong\u003e — A native 12+4-pin 12V-2x6 connector is built in, eliminating the need for bundled adapter cables and reducing connection risk with high-draw graphics cards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e80 PLUS Bronze efficiency certified\u003c\/strong\u003e — The 80 PLUS Bronze certification means it meets a recognised standard for energy conversion efficiency across its operating load range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSix hardware protection circuits\u003c\/strong\u003e — It includes OCP, OVP, UVP, OPP, OTP, and SCP protections to guard components against overcurrent, overvoltage, undervoltage, overpower, overtemperature, and short-circuit events.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-noise 120mm fan\u003c\/strong\u003e — A 120mm low-noise fan handles thermal management, keeping the unit quiet during typical desktop workloads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-year warranty\u003c\/strong\u003e — ASRock backs this unit with a 3-year warranty, providing long-term assurance for a core system component.\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%;\"\u003eWattage\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 Bronze\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 Version\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 Connector\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eNative 12V-2x6 (12+4-pin)\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%;\"\u003eModular\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eNon-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%;\"\u003eFan\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e120mm Low Noise Fan\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 × 86mm\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;\"\u003e3 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch5\u003eCompatibility\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e✓ Compatible with ATX 3.1 motherboard and case form factors.\u003c\/li\u003e\n\u003cli\u003e✓ Works with PCIe 5.1 graphics cards via the included native 12V-2x6 (12+4-pin) connector.\u003c\/li\u003e\n\u003cli\u003e✓ Accepts a wide AC input range of 100–240V at 50–60Hz, suitable for use in most countries.\u003c\/li\u003e\n\u003cli\u003eNote: Non-modular design: all cables are permanently attached, so case compatibility and cable management space should be confirmed before purchase.\u003c\/li\u003e\n\u003cli\u003eNote: Dimensions are 140 × 150 × 86mm — verify your case supports this depth before ordering.\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\u003eValue-focused desktop builders\u003c\/b\u003e who want a certified, modern-standard PSU at a competitive price point — the PRO series is explicitly positioned for this audience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCurrent-generation GPU users\u003c\/b\u003e who need a native 12V-2x6 connector without relying on adapter cables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuilders prioritising protection coverage\u003c\/b\u003e — six independent protection circuits address the most common fault scenarios in a desktop system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e850W system builds\u003c\/b\u003e where mid-to-high-power CPUs and GPUs are in use but full modular cable management is not a priority.\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\u003eCable-management-sensitive builds\u003c\/b\u003e where a fully modular or semi-modular PSU is preferred — this unit is non-modular and all cables remain attached.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEfficiency-priority builds\u003c\/b\u003e requiring 80 PLUS Gold or higher certification — this unit is rated Bronze.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSystems requiring more than 850W\u003c\/b\u003e — this is the highest wattage in the PRO series as listed, and it should not be run beyond its rated output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWorkstation or server environments\u003c\/b\u003e expecting extended warranty coverage beyond 3 years or hot-swap redundancy — this is a standard ATX desktop PSU.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eDescription\u003c\/h5\u003e\u003cp\u003eWith ASRock Classic Green connectors, users can easily see if the connector has been plugged properly.\u003c\/p\u003e\u003cp\u003eThe PRO series is created for value-focused users, offering 80 PLUS Bronze models in 850W, 750W, and 650W options.\u003c\/p\u003e\u003cp\u003eFull suite of protections to keep all components safe during normal to extreme power levels.\u003c\/p\u003e\u003cp\u003eASRock offers an outstanding 3 –Year warranty, guaranteeing long term reliable and peace of mind operation.\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;\"\u003eASRock\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;\"\u003ePRO-850B\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%;\"\u003eWattage\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%;\"\u003eModular\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eNon-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%;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e140 × 150 × 86mm\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;\"\u003e3 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eStandards \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%;\"\u003e80 PLUS Certification\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eBronze\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 Version\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 Compliance\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003ePCIe 5.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003ePower \u0026amp; Connectivity\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%;\"\u003eAC Input\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e100–240V~, 50–60Hz, 12–6A\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 Connector\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eNative 12V-2x6 (12+4-pin)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eCooling \u0026amp; Protection\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\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e120mm Low Noise Fan\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%;\"\u003eProtections\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eOCP, OVP, UVP, OPP, OTP, SCP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"ASRock","offers":[{"title":"Default Title","offer_id":55689398583672,"sku":"ASR-3348","price":78.9,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/9119\/7218\/files\/6116HPSoJ6L._AC_SL1280.jpg?v=1791199931","url":"https:\/\/tech-syndicate.co.uk\/products\/asrock-pro-850b-850w-80-plus-bronze-atx-3-1-psu-1","provider":"Tech Syndicate","version":"1.0","type":"link"}