{"product_id":"silent-pc-case-cooling-fan-8-9-12cm-4-pin-12v-black","title":"Silent 8\/9\/12cm PC Case Cooling Fan 4-Pin 12V – 23dBA Black","description":"\u003ch2\u003eOUYUANSU Silent Computer Case Cooling Fan – 8cm \/ 9cm \/ 12cm\u003c\/h2\u003e\n\u003cp\u003eKeep your PC, home office workstation, or power supply running cool and quiet with the \u003cstrong\u003eOUYUANSU Silent Cooling Fan\u003c\/strong\u003e. Available in 8cm, 9cm, and 12cm sizes, this no-frills black fan delivers steady, efficient airflow without unnecessary RGB lighting — perfect for builds where performance and silence matter most.\u003c\/p\u003e\n\n\u003cp\u003eEngineered with a \u003cstrong\u003efluid bearing\u003c\/strong\u003e for whisper-quiet operation and an impressive \u003cstrong\u003e30,000-hour rated fan life\u003c\/strong\u003e, this fan is built to last. At just \u003cstrong\u003e23 dBA\u003c\/strong\u003e, it operates nearly silently even under sustained use, making it an excellent choice for home offices, media centers, and quiet computing environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Sizes:\u003c\/strong\u003e Available in 8cm, 9cm, and 12cm to fit most standard PC cases and power supplies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFluid Bearing:\u003c\/strong\u003e Smooth, low-friction operation for long-lasting, quiet performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Silent:\u003c\/strong\u003e Operates at just 23 dBA — barely audible during normal use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7-Blade Design:\u003c\/strong\u003e Optimized blade geometry maximizes airflow (29.2 CFM) at minimal noise\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-Pin Power Connector:\u003c\/strong\u003e Standard 4P interface for easy installation in most motherboards and power supplies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVariable Speed:\u003c\/strong\u003e Fan speed ranges from 1,200 to 3,000 RPM for flexible airflow control\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Draw:\u003c\/strong\u003e Only 3W at 12V DC — energy efficient for always-on systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Light Design:\u003c\/strong\u003e Clean, stealth aesthetic — no distracting LEDs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; RoHS Certified:\u003c\/strong\u003e Meets international safety and environmental standards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLong Lifespan:\u003c\/strong\u003e Rated for up to 30,000 hours of continuous operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8cm \/ 9cm \/ 12cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4-Pin (4P)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBearing Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFluid Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlade Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 Blades\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFan Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,200 – 3,000 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAir Volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e29.2 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNoise Level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23 dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFan Life\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30,000 Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-in-1-multi-functional-bone-wrench-hex-socket-spanner-portable-repair-hand-tool-for-bicycle-motorcycle-furniture-assembly\"\u003e10-in-1 Multi-Functional Bone Wrench – Portable Repair Hand Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3-in-1-precision-eyeglass-screwdriver-keychain-portable-mini-screwdriver-for-glasses-watch-spectacles-repair-hand-tool\"\u003e3-in-1 Precision Eyeglass Screwdriver Keychain – Mini Repair Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/16-in-1-multi-function-bike-repair-tool-portable-folding-hex-wrench-set-for-bicycle-motorcycle-furniture-maintenance-hand-tools\"\u003e16-in-1 Multi-Function Bike Repair Tool – Portable Folding Hex Wrench Set\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What sizes does this PC cooling fan come in?\u003c\/h4\u003e\n\u003cp\u003eA: This OUYUANSU silent cooling fan is available in three standard sizes — \u003cstrong\u003e8cm (80mm), 9cm (90mm), and 12cm (120mm)\u003c\/strong\u003e — making it compatible with most standard PC cases, power supplies, and cooling radiator mounts.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this fan compatible with my motherboard's 4-pin header?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The fan uses a standard \u003cstrong\u003e4-pin (4P) power connector\u003c\/strong\u003e, which is compatible with most modern motherboards and power supply units. It operates at 12V DC and draws only 3W.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How quiet is this cooling fan during operation?\u003c\/h4\u003e\n\u003cp\u003eA: This fan runs at just \u003cstrong\u003e23 dBA\u003c\/strong\u003e, which is near-silent in most home and office environments. Combined with a fluid bearing design and 7-blade configuration, it delivers efficient airflow with minimal acoustic output — ideal for quiet builds and home office setups.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this fan have RGB or LED lighting?\u003c\/h4\u003e\n\u003cp\u003eA: No. This fan is specifically designed \u003cstrong\u003ewithout any lighting\u003c\/strong\u003e, providing a clean, sleek black appearance. It is ideal for users who prefer a minimalist build or want to avoid any light distraction.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long will this fan last?\u003c\/h4\u003e\n\u003cp\u003eA: The OUYUANSU cooling fan is rated for up to \u003cstrong\u003e30,000 hours\u003c\/strong\u003e of continuous operation, thanks to its durable fluid bearing mechanism. It is CE and RoHS certified for quality and environmental compliance.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What sizes does this PC cooling fan come in?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This OUYUANSU silent cooling fan is available in three standard sizes — 8cm (80mm), 9cm (90mm), and 12cm (120mm) — making it compatible with most standard PC cases, power supplies, and cooling radiator mounts.\"}}, {\"@type\": \"Question\", \"name\": \"Is this fan compatible with my motherboard's 4-pin header?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The fan uses a standard 4-pin (4P) power connector, which is compatible with most modern motherboards and power supply units. 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