{"product_id":"asus-rog-loki-sfx-l-850w-platinum-compact-high-output-psu","title":"ASUS ROG Loki SFX-L 850W Platinum - Compact High-Output PSU","description":"\u003cp\u003eOur review of the ASUS ROG Loki SFX-L 850W Platinum finds it aimed squarely at small-form-factor gamers and builders who need high, reliable power in a compact package. The single biggest reason to buy is its combination of ATX 3.0 compatibility and a bundled 16-pin PCIe cable that supports modern PCIe Gen 5 graphics, delivering up to 600W to a GPU while keeping noise and temperatures low thanks to the 120mm Axial-tech fan and proprietary ROG heatsinks. This unit balances efficiency, cooling, and build quality for demanding SFF builds.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eATX 3.0 compatible:\u003c\/strong\u003e Supports modern power delivery standards and includes a 16-pin PCIe cable to supply up to 600W to PCIe Gen 5 graphics cards for future-proofed builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e80 PLUS Platinum efficiency:\u003c\/strong\u003e Operates up to 92% efficiency to reduce waste heat, improve stability under load, and lower overall system noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxial-tech 120mm PWM ARGB fan:\u003c\/strong\u003e Delivers controlled airflow with PWM control to keep thermals in check while maintaining quiet operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eROG heatsinks:\u003c\/strong\u003e Cover critical components to lower temperatures, which can extend component lifespan and reduce audible fan activity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLambda A Certification:\u003c\/strong\u003e Certified for low noise under 25 dB, making it a good fit for noise-sensitive systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully modular cabling:\u003c\/strong\u003e Lets builders use only the cables they need for cleaner SFF layouts and easier routing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe ASUS ROG Loki SFX-L 850W Platinum is best for small-form-factor PC builders and gamers who want a compact power supply that can handle high-end GPUs and modern power standards while staying quiet. Its combination of ATX 3.0 compatibility and a bundled 16-pin PCIe cable makes it particularly suitable for users planning PCIe Gen 5 graphics or heavy GPU draws.\u003c\/p\u003e\n\u003cp\u003eIt may be less compelling for casual desktop users who never push GPU or CPU power limits or for those on strict budgets, since the Platinum efficiency and SFX-L form factor target performance and compact builds rather than the lowest possible price.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh efficiency and low heat with \u003cstrong\u003e80 PLUS Platinum\u003c\/strong\u003e performance for sustained loads.\u003c\/li\u003e\n\u003cli\u003eQuiet operation backed by \u003cstrong\u003eLambda A certification\u003c\/strong\u003e and a 120mm PWM fan that keeps noise below 25 dB in many scenarios.\u003c\/li\u003e\n\u003cli\u003eCompact SFX-L design with fully modular cabling and a bundled 16-pin PCIe cable for PCIe 5.0 GPUs.\u003c\/li\u003e\n\u003cli\u003eROG-grade cooling and heatsinks that help extend component longevity under heavy use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customer reports show mixed functionality and variable cable quality, indicating occasional unit or cable issues though many owners report excellent reliability.\u003c\/li\u003e\n\u003cli\u003eHigher upfront cost compared with basic ATX units, reflecting its efficiency and SFX-L engineering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm factor\u003c\/td\u003e\n\u003ctd\u003eSFX-L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWattage\u003c\/td\u003e\n\u003ctd\u003e850W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency rating\u003c\/td\u003e\n\u003ctd\u003e80 PLUS Platinum (up to 92% efficient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan\u003c\/td\u003e\n\u003ctd\u003e120mm Axial-tech PWM ARGB fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eATX 3.0 compatible, PCIe Gen 5 ready\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eLambda A certified (low noise)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e10 year warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe ASUS ROG Loki SFX-L 850W Platinum is a compelling choice for SFF builders who need strong, modern power delivery in a small package and are willing to pay for efficiency, silence, and future-ready GPU support. It offers excellent build quality and cooling, and although some buyers report mixed experiences with cables or individual units, the overall package and 10 year warranty make it a good value for serious compact gaming systems.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this PSU support modern PCIe 5.0 graphics cards?\u003c\/strong\u003e\u003cbr\u003eYes. It includes a bundled 16-pin PCIe cable and is ATX 3.0 compatible to supply up to 600W to PCIe Gen 5 GPUs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow loud is the power supply under load?\u003c\/strong\u003e\u003cbr\u003eThe unit is Lambda A certified for low noise and uses a 120mm PWM fan, keeping noise typically below 25 dB in many operating conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for a high-end small-form-factor gaming PC?\u003c\/strong\u003e\u003cbr\u003eYes. Its 850W output, high efficiency, modular cabling, and ROG cooling features make it well suited for high-performance SFF builds.\u003c\/p\u003e","brand":"ASUS","offers":[{"title":"Default Title","offer_id":48620090228955,"sku":"B0BZFPPT6C","price":239.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71e3CHACtXL._AC_SL1500.jpg?v=1778443683","url":"https:\/\/gearmusthave.com\/products\/asus-rog-loki-sfx-l-850w-platinum-compact-high-output-psu","provider":"GearMustHave","version":"1.0","type":"link"}