{"product_id":"silverstone-flex-atx-350w-power-supply-compact-80-plus-gold","title":"SilverStone Flex ATX 350W Power Supply - Compact 80 PLUS Gold","description":"\u003cp\u003eIn this review of the SilverStone Flex ATX 350W power supply the bottom line is simple: it is a focused choice for small form factor builders and 1U rack applications that need reliable continuous power in a compact package. The FX350-G's single strong +12V rail, 350W continuous rating at 40C, and 80 PLUS Gold efficiency make it particularly useful where steady operation and electrical efficiency matter. For those upgrading embedded systems or tight chassis builds, the review finds the unit delivers practical power and solid efficiency, though cable reach and connector choices require planning.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexATX form factor:\u003c\/strong\u003e Fits compact and 1U rack layouts to expand small form factor build options without wasting space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e80 PLUS Gold efficiency:\u003c\/strong\u003e Reduces wasted heat and power draw under typical loads to improve overall system efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e350W continuous output at 40C:\u003c\/strong\u003e Rated for constant 24\/7 operation, providing reliable performance in warm or always-on environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle +12V rail:\u003c\/strong\u003e Delivers focused power for CPUs and GPUs that use the main rail, simplifying power delivery and stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in auto-adjusting fan:\u003c\/strong\u003e A 40mm fan varies from 4500rpm to 7300rpm to balance cooling and noise based on load and temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncludes PCIe 6pin connector:\u003c\/strong\u003e Offers a direct power option for low-profile GPUs or add-in cards used in SFF systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe FX350-G is aimed at enthusiasts and system integrators building small form factor PCs, embedded systems, or 1U rack-mount servers who need a compact, efficient supply capable of continuous 350W operation. Its sleeved cables and all-black finish also appeal to builders who care about neat interiors and professional looks.\u003c\/p\u003e\n\u003cp\u003eIt is less suited for users who require long cable runs or multiple GPU connectors; customers should check cable length and connector layout before purchase. If ultra-quiet operation is a top priority for a noise-sensitive desktop near the user, consider supplies with larger, slower fans designed for silent operation.\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\u003eCompact FlexATX size that enables builds in constrained chassis and 1U racks.\u003c\/li\u003e\n\u003cli\u003eHigh efficiency with 80 PLUS Gold reduces heat and power waste under load.\u003c\/li\u003e\n\u003cli\u003e350W continuous at 40C and a strong single +12V rail for dependable, sustained performance.\u003c\/li\u003e\n\u003cli\u003eIncludes a PCIe 6pin connector and sleeved cables for cleaner builds and GPU support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSmall 40mm fan can be noisy at higher speeds, with mixed user reports on noise level.\u003c\/li\u003e\n\u003cli\u003eCable length and connector size may limit compatibility in some layouts or require careful planning.\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\u003c\/td\u003e\n\u003ctd\u003eFX350-G (Flex ATX)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003e350W continuous at 40C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e80 PLUS Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan\u003c\/td\u003e\n\u003ctd\u003eBuilt-in auto-adjusting 40mm (4500rpm - 7300rpm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRails\u003c\/td\u003e\n\u003ctd\u003eSingle +12V rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eIncludes PCIe 6pin with fixed sleeved cables\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe SilverStone FX350-G is a smart choice for SFF builders and rack integrators who need a compact, efficient power supply rated for continuous 350W operation. Its combination of \u003cstrong\u003e80 PLUS Gold\u003c\/strong\u003e efficiency, single +12V rail, and PCIe support makes it good value for constrained builds, provided buyers verify cable reach and accept that the small fan can be audible under load.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this suitable for a 1U rack server?\u003c\/strong\u003e\u003cbr\u003eYes. The FlexATX form factor and 350W continuous rating at 40C are designed to support embedded and 1U rack applications that need steady power.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill the fan be quiet in a desktop?\u003c\/strong\u003e\u003cbr\u003eThe 40mm fan auto-adjusts but can become noticeable at higher speeds; noise reports are mixed so placement and tolerance to fan sound should be considered.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support modern GPUs?\u003c\/strong\u003e\u003cbr\u003eIt includes a PCIe 6pin connector for low-power GPUs or add-in cards, but multi-GPU or high-power cards will need a larger supply and additional connectors.\u003c\/p\u003e","brand":"SilverStone","offers":[{"title":"Default Title","offer_id":48631180722395,"sku":"B0B2ZRW27R","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/7149U9NFN5L._AC_SL1500.jpg?v=1778492743","url":"https:\/\/gearmusthave.com\/products\/silverstone-flex-atx-350w-power-supply-compact-80-plus-gold","provider":"GearMustHave","version":"1.0","type":"link"}