{"product_id":"asrock-steel-legend-sl-850g-850w-80-gold-modular-psu","title":"ASRock Steel Legend SL-850G 850W 80+ Gold Modular PSU","description":"\u003cp\u003eThe ASRock Steel Legend SL-850G is an 850W modular power supply designed for mainstream gaming and workstation builds. It combines 80 PLUS Gold efficiency with Cybenetics Platinum rating and Lambda A+ acoustic certification, delivering both energy savings and quiet operation without sacrificing performance.\u003c\/p\u003e\u003ch5\u003eWhy This Product\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e80 PLUS Gold efficiency\u003c\/strong\u003e — Certified for high energy conversion, reducing power waste and electricity costs during daily operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLess than 20 dB average noise\u003c\/strong\u003e — Cybenetics Lambda A+ certified, this supply operates quietly enough for silent-focused builds even under moderate loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully modular cables\u003c\/strong\u003e — Only connect the connectors you need, making cable management cleaner and airflow less obstructed in your case.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATX3.1 and PCIe5.1 ready\u003c\/strong\u003e — Future-proofed for next-generation graphics cards and CPU architectures with native 12V-2x6 connector support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eiCOOL intelligent fan control\u003c\/strong\u003e — Fan stays off during light workloads to reduce noise and heat, automatically activating when the system demands more power.\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 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%;\"\u003eModular\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%;\"\u003eNoise Level\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eLess than 20 dB (average)\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;\"\u003e10 Years\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;\"\u003e150mm × 150mm × 86mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch5\u003eCompatibility\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e✓ Works with all standard ATX power distribution, including modern graphics cards with PCIe5.1 power requirements.\u003c\/li\u003e\n\u003cli\u003e✓ Fully modular design fits cases of various sizes and supports custom cable configurations.\u003c\/li\u003e\n\u003cli\u003eNote: Fan operation mode (iCOOL ON or OFF) can be toggled: OFF mode provides continuous cooling but increases noise, ON mode reduces noise but relies on load-dependent activation.\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\u003eBuilders prioritising quiet operation\u003c\/li\u003e\n\u003cli\u003eMid-range gaming and workstation systems requiring 850W capacity\u003c\/li\u003e\n\u003cli\u003eCable-conscious builds needing clean case aesthetics\u003c\/li\u003e\n\u003cli\u003eUsers concerned with electricity costs and heat output\u003c\/li\u003e\n\u003cli\u003eFuture-focused systems targeting ATX3.1 or PCIe5.1 platforms\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\u003eHigh-end dual-GPU or extreme overclocking systems\u003c\/b\u003e requiring more than 850W continuous output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompact ITX builds\u003c\/b\u003e where the 150 × 150 × 86mm footprint may not fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBudget builds\u003c\/b\u003e where a lower-wattage or non-modular PSU is sufficient.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch5\u003eDescription\u003c\/h5\u003e\u003cp\u003eThe Steel Legend series power supply unit offers options of 1200W, 1000W, 850W, 750W, and 650W, available in \"Steel Black\" and \"Steel White\" ideal for mainstream systems.\u003c\/p\u003e\u003cp\u003eCertified for 80 PLUS Gold efficiency and Cybenetics Platinum rating, along with LAMBDA A+\/A acoustic certification, it ensures outstanding energy performance. The Cybenetics certification on the packaging has been updated. Some earlier units may not show the badge. For the latest certification details, please visit the official Cybenetics website. Product specifications and performance remain unchanged.\u003c\/p\u003e\u003cp\u003eThe Steel Legend series power operates at less than 20 dB of noise on average, earning the prestigious Cybenetics Lambda A+ certification. This recognition underscores the Steel Legend series' outstanding noise control performance, making it an exceptional choice for users seeking ultra-quiet operation.\u003c\/p\u003e\u003cp\u003eWith ASRock Classic Green connectors, users can easily see if the connector has been plugged properly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eiCOOL Mode ON: The power supply runs more efficiently. The fan stays off during low to medium loads, reducing noise and improving energy efficiency. The fan only activates when the load or temperature increases.\u003c\/li\u003e\n\u003cli\u003eiCOOL Mode OFF: The fan runs continuously, regardless of load. This may increase noise slightly but provides consistent cooling and better performance under heavy loads.\u003c\/li\u003e\n\u003c\/ul\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;\"\u003eSL-850G\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%;\"\u003eColor\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eSteel Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eEfficiency \u0026amp; Certification\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;\"\u003eGOLD\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%;\"\u003eCybenetics Efficiency Rating\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003ePLATINUM\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%;\"\u003eCybenetics Acoustic Rating\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eLAMBDA A+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003ePower Rails \u0026amp; Connectors\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%;\"\u003e+12V Rail\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e70.9A\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%;\"\u003e+5V Rail\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e20A\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%;\"\u003e+3.3V Rail\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e20A\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%;\"\u003eCombined +3.3V \u0026amp; +5V\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e120W\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%;\"\u003eNative Connector\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e12V-2x6\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 Design\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eFully Modular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eDesign \u0026amp; Features\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;\"\u003e135mm Striped Axial FDB 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%;\"\u003eNoise Level\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eLess than 20 dB (average)\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%;\"\u003eCapacitors\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e100% Highly Reliable Japanese Capacitors\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;\"\u003eATX3.1 \u0026amp; PCIe5.1 Ready\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 (L × W × H)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e150mm × 150mm × 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;\"\u003e10 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"ASRock","offers":[{"title":"Default Title","offer_id":55666102600056,"sku":"ASR-746","price":128.45,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/9119\/7218\/files\/PSASR-SL850G.jpg?v=1790214048","url":"https:\/\/tech-syndicate.co.uk\/products\/asrock-steel-legend-sl-850g-850w-80-gold-modular-psu","provider":"Tech Syndicate","version":"1.0","type":"link"}