{"product_id":"asrock-steel-legend-sl-850g-850w-80-plus-gold-modular-psu","title":"ASRock Steel Legend SL-850G 850W 80 Plus Gold Modular PSU","description":"\u003cp\u003eThe ASRock Steel Legend SL-850G 850W 80 Plus Gold Modular PSU is a fully modular power supply built for mainstream desktop system builders who want efficient, quiet and long-lasting performance. It delivers 850W with 80 PLUS Gold and Cybenetics Platinum efficiency ratings, native 12V-2x6 GPU connectivity for PCIe 5.1 cards, and a 10-year warranty that removes the usual concern about long-term reliability.\u003c\/p\u003e\u003ch5\u003eWhy This Product\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e80 PLUS Gold and Cybenetics Platinum efficiency\u003c\/strong\u003e — It carries both 80 PLUS Gold and the stricter Cybenetics Platinum efficiency rating, meaning less energy is lost as heat and your electricity bill stays lower under typical loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-quiet: under 20 dB on average\u003c\/strong\u003e — The Cybenetics LAMBDA A+ acoustic certification reflects real-world noise below 20 dB on average, making it one of the quieter options in its class.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eiCool fan stays off at low to medium loads\u003c\/strong\u003e — In iCool Mode, the 135mm FDB fan remains completely off until load or temperature rises, giving silent operation during everyday tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully modular with native 12V-2x6 connector\u003c\/strong\u003e — Only the cables you need go in, keeping airflow clear. The included native 12V-2x6 connector supports the latest PCIe 5.1 GPUs without an adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Japanese capacitors rated to 105°C\u003c\/strong\u003e — Every capacitor is Japanese-made and rated to 105°C, contributing to longevity even in warm chassis environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-year warranty\u003c\/strong\u003e — ASRock backs this unit with a 10-year warranty, one of the longest available in the consumer PSU market.\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 \/ Cybenetics Platinum\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%;\"\u003eNative GPU Connector\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e12V-2x6 (PCIe 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%;\"\u003eFan\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e135mm Striped Axial FDB\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 (L × W × H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch5\u003eCompatibility\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e✓ Fits standard ATX cases — dimensions are 150mm (L) × 150mm (W) × 86mm (H).\u003c\/li\u003e\n\u003cli\u003e✓ Meets ATX 3.1 and PCIe 5.1 standards, compatible with the latest motherboards and GPUs.\u003c\/li\u003e\n\u003cli\u003e✓ Includes a native 16-pin 12VHPWR (12V-2x6) connector for current high-end PCIe 5.1 graphics cards.\u003c\/li\u003e\n\u003cli\u003e✓ Includes CPU power cables for both 4+4-pin (2× 8-pin) motherboard connectors.\u003c\/li\u003e\n\u003cli\u003eNote: Cybenetics certification badge may not appear on earlier packaging units; the official Cybenetics website has the latest certification status.\u003c\/li\u003e\n\u003cli\u003e✗ Not suitable for SFX or TFX small-form-factor cases — this is a full ATX-size unit.\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\u003eMainstream and high-end PC builders\u003c\/b\u003e who want Gold-or-better efficiency without paying for a boutique brand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eQuiet-first builds\u003c\/b\u003e — the sub-20 dB average and zero-RPM iCool mode suit home offices and media systems where noise matters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePCIe 5.1 GPU owners\u003c\/b\u003e who need a native 12V-2x6 connector and want to avoid third-party adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLong-term system keepers\u003c\/b\u003e who value the 10-year warranty and 105°C-rated Japanese capacitors for extended service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCable-management-conscious builders\u003c\/b\u003e who benefit from a fully modular design that keeps unused cables out of the case.\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\u003eSmall-form-factor builds\u003c\/b\u003e — at 150mm × 150mm × 86mm it is a standard ATX unit and will not fit SFX enclosures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNon-modular cable preferences\u003c\/b\u003e — there are no fixed cables; users who prefer a semi-modular unit to avoid losing cables will need to look elsewhere.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWorkstation or server loads above 850W\u003c\/b\u003e — the rated output is 850W; builds requiring 1000W or more should consider higher-wattage options in the Steel Legend range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eContinuous-fan cooling preference\u003c\/b\u003e — iCool Mode ON (default) keeps the fan off under light loads; users who prefer the fan always spinning must switch to iCool Mode OFF.\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. Certified 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\u003cp\u003eThe fluid seal design and the herringbone structure provides an extremely long lifespan and noise minimization. 105 °C Japanese-made Capacitor and Solid Capacitor, makes prolonged life span possible. Full suite of protections to keep all components safe during normal to extreme power levels. ASRock offers an outstanding 10 –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;\"\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%;\"\u003eColor\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eSteel Black\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\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%;\"\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\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 Certification\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%;\"\u003eCybenetics Certification\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eCybenetics Platinum and Lambda A+\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+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%;\"\u003eBuilt-in Feature\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e5V BOOST function\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eCooling \u0026amp; Acoustics\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 \u0026amp; Type\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%;\"\u003eFan Control\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eiCool Intelligent Fan Control (semi-passive)\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% Japanese-made, 105°C rated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eCables \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%;\"\u003eModular Design\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%;\"\u003eNative GPU Connector\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e12V-2x6 (PCIe 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%;\"\u003eMotherboard\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e24-pin ATX\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%;\"\u003eCPU Power\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e2× 8-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%;\"\u003ePCIe Connectors\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e3× 6+2-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%;\"\u003eSATA Connectors\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e3× SATA\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%;\"\u003eMolex Connectors\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e1× Molex\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 (L × W × H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"ASRock","offers":[{"title":"Default Title","offer_id":55666112921976,"sku":"ASR-779","price":138.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/9119\/7218\/files\/PSASR-SL850GW.jpg?v=1790214049","url":"https:\/\/tech-syndicate.co.uk\/products\/asrock-steel-legend-sl-850g-850w-80-plus-gold-modular-psu","provider":"Tech Syndicate","version":"1.0","type":"link"}