{"product_id":"asrock-steel-legend-sl-850p-850w-platinum-modular-psu","title":"ASRock Steel Legend SL-850P 850W Platinum Modular PSU","description":"\u003cp\u003eThe ASRock Steel Legend SL-850P 850W Platinum Modular PSU is designed for enthusiast PC builders who need a high-efficiency, fully modular power supply that can support modern graphics cards and next-generation ATX standards. It solves the problem of noisy, inefficient power delivery by combining 80 PLUS Platinum and Cybenetics Platinum certification with an intelligent fan control mode that keeps the unit silent under light to moderate loads.\u003c\/p\u003e\u003ch5\u003eWhy This Product\u003c\/h5\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e80 PLUS Platinum and Cybenetics Platinum certified\u003c\/strong\u003e — It carries both 80 PLUS Platinum and Cybenetics Platinum efficiency ratings, along with LAMBDA A+ acoustic certification, meaning it wastes less power as heat and runs quieter than units at lower efficiency tiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eATX 3.1 and PCIe 5.1 ready with native 12V-2x6\u003c\/strong\u003e — It ships with a native 12V-2x6 connector built to the PCIe 5.1 specification, so no adapter is needed for current high-end graphics cards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eiCOOL fan mode keeps it silent at low loads\u003c\/strong\u003e — A physical switch lets you choose between semi-passive mode — fan off at low to medium loads — and continuous fan operation for sustained heavy workloads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTempGuard monitors VGA connector temperature\u003c\/strong\u003e — An NTC sensor at the VGA connector tracks temperature in real time and signals the unit to respond before heat becomes a problem.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Japanese capacitors rated to 105 °C\u003c\/strong\u003e — Every capacitor inside is Japanese-made and rated to 105 °C, contributing to the long service life that backs the 10-year warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully modular cabling keeps builds tidy\u003c\/strong\u003e — All cables detach completely, so unused connectors stay out of the case and airflow is unobstructed.\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%;\"\u003eRated Power\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e850 W\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 Platinum \/ 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%;\"\u003eForm Factor\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%;\"\u003eFan\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e135 mm 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%;\"\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%;\"\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%;\"\u003eMTBF\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e100,000 hours @ 25 °C\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;\"\u003e150 mm × 150 mm × 86 mm\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 — 150 mm × 150 mm × 86 mm footprint.\u003c\/li\u003e\n\u003cli\u003e✓ Compatible with ATX 3.1 motherboards and ATX 2.x boards via the 24-pin motherboard connector.\u003c\/li\u003e\n\u003cli\u003e✓ Supplies up to two EPS 12V CPU connectors (one 4+4-pin and one 8-pin), covering dual-CPU and high-end single-CPU boards.\u003c\/li\u003e\n\u003cli\u003e✓ Ready for PCIe 5.1 graphics cards via the native 12V-2x6 (12+4-pin) connector with TempGuard.\u003c\/li\u003e\n\u003cli\u003e✓ Accepts universal AC input (100–240 V, 50–60 Hz), making it suitable for use in most regions worldwide.\u003c\/li\u003e\n\u003cli\u003eNote: Cybenetics LAMBDA A+ acoustic certification is marked with an asterisk in the product listing — verify the final rating on Cybenetics' published database if acoustic compliance is critical.\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 single-GPU desktop builds\u003c\/b\u003e — 850 W of continuous output with a native 12V-2x6 connector covers current enthusiast graphics cards without adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNoise-sensitive workstations\u003c\/b\u003e — iCOOL semi-passive mode and Cybenetics LAMBDA A+ acoustic certification suit users who prioritise quiet operation during everyday tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLong-term ownership\u003c\/b\u003e — a 10-year warranty and 100,000-hour MTBF rating at 25 °C make it suitable for builders who do not want to replace their PSU mid-system-lifecycle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuilders who value clean cable management\u003c\/b\u003e — full modularity means only the cables you actually use go into the case.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternationally mobile users\u003c\/b\u003e — universal 100–240 V input means the unit works across different mains voltages without a separate converter.\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\u003eDual high-end GPU workstations\u003c\/b\u003e — 850 W continuous output and a single 12V-2x6 connector limit multi-GPU configurations that each demand their own high-current connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuilds requiring more than nine SATA devices\u003c\/b\u003e — the connector set tops out at nine SATA 5-pin connectors, which may not cover high-density storage systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExtremely compact ITX chassis\u003c\/b\u003e — at 150 mm depth it is a standard ATX length and will not fit cases that require SFX or SFX-L units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUsers who need only passive cooling at all times\u003c\/b\u003e — iCOOL mode off runs the 135 mm fan continuously, and iCOOL mode on still activates the fan under higher loads.\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. Certified for 80 PLUS Platinum efficiency and Cybenetics Platinum rating, along with LAMBDA A acoustic certification, it ensures outstanding energy performance.\u003c\/p\u003e\u003cp\u003eWith ASRock Classic Green connectors, users can easily see if the connector has been plugged properly. The NTC sensor at the VGA connector monitors the temperature and sends signal the PSU to ensure safe operation.\u003c\/p\u003e\u003cp\u003e●iCOOL 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\/p\u003e\u003cp\u003e●iCOOL 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\/p\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%;\"\u003eForm Factor\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%;\"\u003eTotal Power\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e850 W\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%;\"\u003eMTBF\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e100,000 hours @ 25 °C\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;\"\u003e150 mm × 150 mm × 86 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eEfficiency \u0026amp; Cooling\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 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 Efficiency\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\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eLAMBDA 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%;\"\u003eFan\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e135 mm 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%;\"\u003eFan Control\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eiCOOL Intelligent Mode (Switch)\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%;\"\u003eTotal Power Excursion\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e200%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003ePower Output\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%;\"\u003eContinuous 12V Output\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e70.9 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%;\"\u003eAC Input\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e100–240 V~, 50–60 Hz, 10–5 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%;\"\u003eProtections\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eOCP, SCP, OVP, UVP, OTP, OPP\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%;\"\u003e5V BOOST\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eYes (Built-in)\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 5.1 TempGuard\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003eYes\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, 105 °C rated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eConnectors\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%;\"\u003eMotherboard (24-pin)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e1\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%;\"\u003eEPS 12V CPU (4+4-pin)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e1\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%;\"\u003eEPS 12V CPU (8-pin)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e1\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 5.1 (12+4-pin) Dual Color\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e1\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 (6+2-pin)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e2\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 (8-pin)\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e1\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%;\"\u003e4-pin Peripheral\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e3\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 5-pin\u003c\/td\u003e\n\u003ctd style=\"padding:8px 12px;border:1px solid #ddd;\"\u003e9\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;\"\u003e12+4-pin: Sleeved — Others: Individual Braided Pattern\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"ASRock","offers":[{"title":"Default Title","offer_id":55689402351992,"sku":"ASR-3355","price":184.91,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/9119\/7218\/files\/asrock-sl-850p-1.jpg?v=1791240861","url":"https:\/\/tech-syndicate.co.uk\/products\/asrock-steel-legend-sl-850p-850w-platinum-modular-psu","provider":"Tech Syndicate","version":"1.0","type":"link"}