{"product_id":"40mm-dc-mini-cooling-fan-5v-12v-24v-3d-printer-cpu-exhaust-fan","title":"40mm DC 5V\/12V\/24V Mini Cooling Fan for 3D Printer \u0026 CPU","description":"\n\u003ch2\u003eHUXUAN 40mm DC Mini Cooling Fan – Versatile Exhaust Fan for 3D Printers \u0026amp; Electronics\u003c\/h2\u003e\n\u003cp\u003eKeep your 3D printer, CPU, or electronic components running at optimal temperatures with this compact and reliable \u003cstrong\u003e40x40x20mm DC cooling fan\u003c\/strong\u003e from HUXUAN. Available in 5V, 12V, and 24V configurations, this mini exhaust fan is perfectly sized for use in Ender 3, CR10, and other popular 3D printers, as well as compact computer builds and electronics enclosures. Its quiet, efficient operation and standard 2-pin connector make installation quick and easy.\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 Voltage Options:\u003c\/strong\u003e Available in DC 5V, 12V, and 24V to suit a wide range of applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact 40mm Form Factor:\u003c\/strong\u003e 40x40x20mm size fits perfectly in 3D printers (Ender 3, CR10) and small electronics enclosures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard 2-Pin Connector:\u003c\/strong\u003e 2.54mm interface (red positive, black negative) for easy plug-and-play installation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e30cm Cable Length:\u003c\/strong\u003e Generous cable length provides flexible routing within your build\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEfficient Airflow:\u003c\/strong\u003e Thermotube radiator-style design delivers effective heat dissipation to protect your components\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Safe materials with no hazardous chemical substances\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHUXUAN\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e40 x 40 x 20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5V \/ 12V \/ 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2-Pin, 2.54mm Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRed (Positive), Black (Negative)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x Cooling Fan\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatible With\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCreality Ender 3 \/ Ender 3 Pro \/ Ender 3 V2\u003c\/li\u003e\n  \u003cli\u003eCreality CR10 \/ CR10S\u003c\/li\u003e\n  \u003cli\u003eComputer CPU heatsinks and small electronics\u003c\/li\u003e\n  \u003cli\u003eDIY electronics projects and enclosure cooling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-wooden-handle-nylon-bristle-paint-brush-for-oil-painting-dusting-and-cleaning-unrechargeable-hand-tool-set-without-batt-2\"\u003e10Pcs Wooden Handle Nylon Bristle Paint Brush Set – Ideal for DIY Projects\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-precision-japanese-double-edged-hand-saw-sk5-steel-fine-toothed-for-carpentry-and-gardening-6-inch-blade-portable-mini-1\"\u003e1pc Precision Japanese Double-Edged Hand Saw – SK5 Steel for Precision Work\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-professional-heavy-duty-pruning-shears-with-anti-slip-handle-design-suitable-for-trimming-thick-and-sturdy-branches\"\u003e1pc Professional Heavy-Duty Pruning Shears with Anti-Slip Handle Design\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 voltage should I choose for my Creality Ender 3 or CR10 3D printer?\u003c\/h4\u003e\n\u003cp\u003eA: Most Creality Ender 3 and CR10 printers use a \u003cstrong\u003e24V\u003c\/strong\u003e power supply, so the 24V version is typically the correct choice for direct board or PSU connection. However, if your printer has a dedicated 12V rail or you are powering the fan from a separate supply, select accordingly. Always confirm your printer's fan voltage before ordering.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this fan compatible with other 3D printers besides Ender 3 and CR10?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The standard \u003cstrong\u003e40x40x20mm\u003c\/strong\u003e size and 2.54mm 2-pin connector are widely used across many 3D printer brands and models, as well as in small computer builds, electronics enclosures, and DIY electronics projects. As long as your application requires a 40mm DC fan at 5V, 12V, or 24V, this fan should be compatible.\u003c\/p\u003e\n\u003ch4\u003eQ: How loud is this cooling fan during operation?\u003c\/h4\u003e\n\u003cp\u003eA: The HUXUAN DC4020 mini cooling fan is designed for efficient, low-noise airflow suitable for desktop and workshop environments. While exact decibel ratings vary by voltage and load, the compact blade design prioritizes steady airflow while keeping operational noise to a minimum.\u003c\/p\u003e\n\u003ch4\u003eQ: What is included in the package?\u003c\/h4\u003e\n\u003cp\u003eA: Each order includes \u003cstrong\u003e1 x 40mm DC cooling fan\u003c\/strong\u003e with a 30cm pre-attached cable and a 2.54mm 2-pin connector. No additional accessories or mounting hardware are included.\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 voltage should I choose for my Creality Ender 3 or CR10 3D printer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Most Creality Ender 3 and CR10 printers use a 24V power supply, so the 24V version is typically the correct choice for direct board or PSU connection. However, if your printer has a dedicated 12V rail or you are powering the fan from a separate supply, select accordingly. Always confirm your printer's fan voltage before ordering.\"}}, {\"@type\": \"Question\", \"name\": \"Is this fan compatible with other 3D printers besides Ender 3 and CR10?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The standard 40x40x20mm size and 2.54mm 2-pin connector are widely used across many 3D printer brands and models, as well as in small computer builds, electronics enclosures, and DIY electronics projects. As long as your application requires a 40mm DC fan at 5V, 12V, or 24V, this fan should be compatible.\"}}, {\"@type\": \"Question\", \"name\": \"How loud is this cooling fan during operation?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The HUXUAN DC4020 mini cooling fan is designed for efficient, low-noise airflow suitable for desktop and workshop environments. 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