{"product_id":"sfx-l-700w-power-supply-quiet-fully-modular-unit","title":"SFX-L 700W Power Supply - Quiet, Fully Modular Unit","description":"\u003cp\u003eOur review of the SFX-L 700W power supply looks at whether this compact unit is the right choice for small form factor builders who need reliable continuous power and low noise. The key reason to consider it is its combination of \u003cstrong\u003e700W continuous output\u003c\/strong\u003e and \u003cstrong\u003e80 PLUS Platinum efficiency\u003c\/strong\u003e, which together provide stable, efficient power for demanding mini-ITX systems while keeping operating temperatures and energy waste down. For users who value modular cable management and quieter operation than typical SFX units, this model is a strong candidate.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e700W Continuous Output:\u003c\/strong\u003e Provides reliable power for 24\/7 operation, suitable for sustained loads in compact builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e80 PLUS Platinum Efficiency:\u003c\/strong\u003e Reduces wasted energy and heat, improving system stability and lowering electricity draw under typical loads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSFX-L Form Factor:\u003c\/strong\u003e The lengthened SFX-L chassis allows a 120mm fan, improving cooling capacity and enabling lower fan speeds for quieter operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilent 120mm Fan:\u003c\/strong\u003e Advanced semi-fanless operation and a large fan reduce audible noise at moderate loads for users sensitive to high-pitch sounds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Modular Cables:\u003c\/strong\u003e 100% modular short, flexible flat cable arrays simplify routing in tight mini cases and improve airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuad PCI-E Support:\u003c\/strong\u003e Multiple 8\/6pin PCI-E connectors allow powering mid- to high-range GPUs in space-constrained systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe SFX-L 700W PSU is best for small form factor enthusiasts building mini-ITX or other compact systems who need \u003cstrong\u003econtinuous, high-efficiency power\u003c\/strong\u003e and prefer tidy cable runs. It suits those using fairly powerful graphics cards that require multiple PCI-E connectors while still needing a quieter operating profile than standard SFX units can typically offer.\u003c\/p\u003e\n\u003cp\u003eUsers who must adhere to strict absolute size limits for SFX (100mm deep) or who need very long cables for unusual case layouts should look elsewhere; some buyers note the SFX-L is slightly larger than standard SFX and modular cable lengths are compact by design.\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 continuous power and \u003cstrong\u003ePlatinum efficiency\u003c\/strong\u003e deliver stable performance and lower waste heat.\u003c\/li\u003e\n\u003cli\u003eQuiet operation thanks to the larger 120mm semi-fanless fan at most loads.\u003c\/li\u003e\n\u003cli\u003eFully modular flat cables make cable management in tight cases much easier.\u003c\/li\u003e\n\u003cli\u003eGood fit and modularity for many mini cases that accept SFX-L length.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot as small as standard SFX; the extra 30mm depth may be too large for some tiny cases.\u003c\/li\u003e\n\u003cli\u003eSome customers reported intermittent startup issues and occasional high-pitch noises under certain conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSilverStone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Type\u003c\/td\u003e\n\u003ctd\u003eSFX-L form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContinuous Power\u003c\/td\u003e\n\u003ctd\u003e700W (rated for 24\/7 operation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e80 PLUS Platinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan\u003c\/td\u003e\n\u003ctd\u003e120mm silent fan with semi-fanless operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCabling\u003c\/td\u003e\n\u003ctd\u003e100% modular short flexible flat cables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCI-E Connectors\u003c\/td\u003e\n\u003ctd\u003eQuad 8\/6pin PCI-E support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor SFF builders who need a reliable \u003cstrong\u003e700W continuous\u003c\/strong\u003e supply with top-tier efficiency and quieter cooling than standard SFX units, this SFX-L PSU is a compelling choice. It pairs strong sustained power and modular convenience with reduced noise, offering good value for compact gaming or workstation builds that can accept the slightly longer SFX-L depth.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this PSU suitable for full-time use?\u003c\/strong\u003e\u003cbr\u003eYes. It is rated for 700W continuous operation and intended for 24\/7 use with high efficiency.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it fit regular SFX mounts?\u003c\/strong\u003e\u003cbr\u003eIt fits SFX-L compatible mounts; it is longer than standard SFX by about 30mm, so confirm case SFX-L support.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the cables long enough for mini-ITX builds?\u003c\/strong\u003e\u003cbr\u003eThe unit uses short, flat modular cables designed for tidy routing in compact cases, but very large or unusual layouts may require extensions.\u003c\/p\u003e","brand":"SilverStone","offers":[{"title":"Default Title","offer_id":48259920527579,"sku":"B07WJSH3PK","price":196.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81pkAa1qCIL._AC_SL1500.jpg?v=1778290522","url":"https:\/\/gearmusthave.com\/products\/sfx-l-700w-power-supply-quiet-fully-modular-unit","provider":"GearMustHave","version":"1.0","type":"link"}