{"product_id":"ac-infinity-multifan-s3-quiet-usb-cooling-fan-120mm","title":"AC Infinity Multifan S3, Quiet USB Cooling Fan, 120MM","description":"\u003ch1\u003eAC Infinity MULTIFAN S3 Quiet USB Cooling Fan – 120mm\u003c\/h1\u003e\n\u003cp\u003eKeep electronics, controllers and other heat-producing equipment cool with the \u003cstrong\u003eAC Infinity MULTIFAN S3 Quiet USB Cooling Fan\u003c\/strong\u003e. This compact 120mm fan delivers up to \u003cstrong\u003e52 CFM of airflow\u003c\/strong\u003e while producing just \u003cstrong\u003e18 dBA of noise\u003c\/strong\u003e, making it an excellent choice for applications where effective cooling and quiet operation are equally important.\u003c\/p\u003e\n\u003cp\u003eThe MULTIFAN S3 features an \u003cstrong\u003ein-line multi-speed controller\u003c\/strong\u003e, allowing you to adjust the fan speed to achieve the ideal balance between airflow and noise. Premium dual-ball bearings provide a rated lifespan of up to \u003cstrong\u003e67,000 hours\u003c\/strong\u003e and allow the fan to operate either horizontally or vertically.\u003c\/p\u003e\n\u003cp\u003eUSB-powered operation, a generous 6ft cable and anti-vibration rubber feet make the MULTIFAN S3 a simple and versatile cooling solution for grow room equipment, controllers, computers, AV equipment, games consoles, amplifiers, routers and other electronics.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e120mm ultra-quiet USB cooling fan\u003c\/li\u003e\n\u003cli\u003eDelivers up to 52 CFM airflow\u003c\/li\u003e\n\u003cli\u003eQuiet operation at just 18 dBA\u003c\/li\u003e\n\u003cli\u003eIn-line multi-speed controller with power switch\u003c\/li\u003e\n\u003cli\u003eAdjust airflow and noise levels to suit your application\u003c\/li\u003e\n\u003cli\u003ePremium dual-ball bearing system\u003c\/li\u003e\n\u003cli\u003eRated lifespan of up to 67,000 hours\u003c\/li\u003e\n\u003cli\u003eCan operate horizontally or vertically\u003c\/li\u003e\n\u003cli\u003eUSB powered for simple installation\u003c\/li\u003e\n\u003cli\u003e6ft \/ 1.8m power cable\u003c\/li\u003e\n\u003cli\u003eEight anti-vibration rubber feet\u003c\/li\u003e\n\u003cli\u003eAdditional USB port for connecting compatible MULTIFAN units\u003c\/li\u003e\n\u003cli\u003eUp to four compatible fans can share a suitable USB power source\u003c\/li\u003e\n\u003cli\u003eLow 1.6W power consumption\u003c\/li\u003e\n\u003cli\u003eCE and RoHS certified\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePowerful 52 CFM Airflow\u003c\/h2\u003e\n\u003cp\u003eThe larger 120mm fan delivers up to \u003cstrong\u003e52 CFM of airflow\u003c\/strong\u003e, providing significantly more air movement than smaller compact USB fans while maintaining exceptionally quiet operation.\u003c\/p\u003e\n\u003cp\u003eThis makes the MULTIFAN S3 particularly useful for cooling larger pieces of electronic equipment or installations where additional airflow is required to prevent heat build-up.\u003c\/p\u003e\n\u003ch2\u003eUltra-Quiet 18 dBA Operation\u003c\/h2\u003e\n\u003cp\u003eDesigned with noise-sensitive environments in mind, the MULTIFAN S3 operates at just \u003cstrong\u003e18 dBA\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThis provides effective continuous cooling without introducing excessive background noise, making it ideal for grow rooms, home entertainment systems, offices, bedrooms and other areas where quiet operation is important.\u003c\/p\u003e\n\u003ch2\u003eAdjustable Multi-Speed Controller\u003c\/h2\u003e\n\u003cp\u003eThe included in-line multi-speed controller allows you to adjust the fan's performance depending on the amount of cooling required.\u003c\/p\u003e\n\u003cp\u003eIncrease the fan speed when equipment temperatures rise or reduce the speed when only gentle airflow is needed. This allows you to achieve the ideal balance between cooling performance and operating noise.\u003c\/p\u003e\n\u003cp\u003eAn integrated power switch also allows the fan to be switched off without disconnecting the USB cable.\u003c\/p\u003e\n\u003ch2\u003ePremium Dual-Ball Bearings\u003c\/h2\u003e\n\u003cp\u003eThe MULTIFAN S3 features premium \u003cstrong\u003edual-ball bearings\u003c\/strong\u003e designed for reliable long-term operation.\u003c\/p\u003e\n\u003cp\u003eWith a rated lifespan of up to \u003cstrong\u003e67,000 hours\u003c\/strong\u003e, the fan is well suited to applications where regular or continuous cooling is required.\u003c\/p\u003e\n\u003cp\u003eThe dual-ball bearing design also allows the fan to operate in either a horizontal or vertical position, giving you much greater flexibility when positioning it around your equipment.\u003c\/p\u003e\n\u003ch2\u003eUSB Powered for Easy Installation\u003c\/h2\u003e\n\u003cp\u003eThe MULTIFAN S3 uses a USB power connection, allowing it to be powered from compatible USB ports commonly found on computers, games consoles, AV equipment and other electronic devices.\u003c\/p\u003e\n\u003cp\u003eThe generous \u003cstrong\u003e6ft \/ 1.8m power cable\u003c\/strong\u003e provides plenty of flexibility when positioning the fan around cabinets, equipment racks and grow room electronics.\u003c\/p\u003e\n\u003ch2\u003eDaisy Chain Multiple MULTIFAN Units\u003c\/h2\u003e\n\u003cp\u003eIf additional airflow is required, compatible MULTIFAN S Series fans can be connected together.\u003c\/p\u003e\n\u003cp\u003eEach fan features an additional USB connection, allowing \u003cstrong\u003eup to four compatible MULTIFAN units to share a suitable USB power source\u003c\/strong\u003e. This makes it easy to expand your cooling setup without requiring individual power connections for every fan.\u003c\/p\u003e\n\u003ch2\u003eAnti-Vibration Rubber Feet\u003c\/h2\u003e\n\u003cp\u003eEight large anti-vibration rubber feet help minimise movement and reduce vibration transferred between the fan and surrounding surfaces.\u003c\/p\u003e\n\u003cp\u003eThis further reduces operating noise and allows the MULTIFAN S3 to be positioned directly on top of or beside compatible equipment without unnecessary rattling or vibration.\u003c\/p\u003e\n\u003ch2\u003eCompact \u0026amp; Versatile Design\u003c\/h2\u003e\n\u003cp\u003eMeasuring approximately \u003cstrong\u003e120 × 120 × 25mm\u003c\/strong\u003e, the MULTIFAN S3 provides impressive airflow from a relatively compact footprint.\u003c\/p\u003e\n\u003cp\u003eThe ability to position the fan either flat or upright makes it suitable for a wide variety of cooling applications, including areas where conventional equipment fans may be difficult to install.\u003c\/p\u003e\n\u003ch2\u003eIdeal for Grow Room Equipment\u003c\/h2\u003e\n\u003cp\u003eElectronic equipment inside grow rooms can generate considerable heat, particularly when multiple controllers, power supplies and other devices are positioned close together.\u003c\/p\u003e\n\u003cp\u003eThe MULTIFAN S3 provides targeted airflow that can help move warm air away from sensitive electronics without requiring a larger circulation fan.\u003c\/p\u003e\n\u003cp\u003eIts compact dimensions, USB power and quiet operation make it particularly useful for adding extra airflow around grow room controllers and other electronic equipment.\u003c\/p\u003e\n\u003ch2\u003ePopular Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGrow room controllers and electronic equipment\u003c\/li\u003e\n\u003cli\u003eComputers and computer components\u003c\/li\u003e\n\u003cli\u003eAV receivers\u003c\/li\u003e\n\u003cli\u003eAmplifiers\u003c\/li\u003e\n\u003cli\u003eGames consoles\u003c\/li\u003e\n\u003cli\u003eDVRs and media equipment\u003c\/li\u003e\n\u003cli\u003eRouters and modems\u003c\/li\u003e\n\u003cli\u003eElectronic cabinets\u003c\/li\u003e\n\u003cli\u003eEquipment racks\u003c\/li\u003e\n\u003cli\u003eHome entertainment systems\u003c\/li\u003e\n\u003cli\u003eOther heat-producing electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC Infinity MULTIFAN S3 Quiet USB Cooling Fan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAI-MPF120A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFan Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e120 × 120 × 25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Airflow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e52 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\u003e18 dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,300 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatic Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 mm-H2O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3–7V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.6W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.32A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6ft \/ 1.8m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBearings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual Ball\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Lifespan\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e67,000 Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting Position\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHorizontal or Vertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE \u0026amp; RoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eMULTIFAN S1 or MULTIFAN S3?\u003c\/h2\u003e\n\u003cp\u003eBoth models provide quiet USB-powered equipment cooling, but the main difference is their size and airflow capacity.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMULTIFAN S1\u003c\/strong\u003e – Compact 80mm fan delivering up to 26 CFM, ideal for smaller electronics and restricted spaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMULTIFAN S3\u003c\/strong\u003e – Larger 120mm fan delivering up to 52 CFM, ideal when more powerful equipment cooling is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor larger electronics or applications where greater airflow is required, the MULTIFAN S3 provides the additional cooling capacity while remaining exceptionally quiet.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow much airflow does the MULTIFAN S3 produce?\u003c\/h3\u003e\n\u003cp\u003eThe MULTIFAN S3 delivers up to \u003cstrong\u003e52 CFM of airflow\u003c\/strong\u003e from its 120mm fan.\u003c\/p\u003e\n\u003ch3\u003eHow quiet is the MULTIFAN S3?\u003c\/h3\u003e\n\u003cp\u003eThe fan has a rated noise level of just \u003cstrong\u003e18 dBA\u003c\/strong\u003e, making it suitable for applications where continuous quiet operation is important.\u003c\/p\u003e\n\u003ch3\u003eCan I adjust the fan speed?\u003c\/h3\u003e\n\u003cp\u003eYes. The included in-line multi-speed controller allows you to adjust the fan speed to achieve the preferred balance between airflow and noise.\u003c\/p\u003e\n\u003ch3\u003eCan the fan be positioned flat?\u003c\/h3\u003e\n\u003cp\u003eYes. Premium dual-ball bearings allow the MULTIFAN S3 to operate either horizontally or vertically, so it can be laid flat or positioned upright depending on the application.\u003c\/p\u003e\n\u003ch3\u003eCan multiple MULTIFAN units be connected together?\u003c\/h3\u003e\n\u003cp\u003eYes. Compatible MULTIFAN S Series fans can be daisy chained together, with up to four compatible units sharing a suitable USB power source.\u003c\/p\u003e\n\u003ch3\u003eIs it suitable for continuous use?\u003c\/h3\u003e\n\u003cp\u003eYes. The premium dual-ball bearing system has a rated lifespan of up to \u003cstrong\u003e67,000 hours\u003c\/strong\u003e, making the MULTIFAN S3 suitable for applications requiring extended or regular operation.\u003c\/p\u003e\n\u003ch2\u003ePowerful, Quiet \u0026amp; Compact Equipment Cooling\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAC Infinity MULTIFAN S3 Quiet USB Cooling Fan\u003c\/strong\u003e provides an excellent balance of powerful airflow, low noise and compact design. With up to 52 CFM airflow, 18 dBA operation, adjustable speed control and long-life dual-ball bearings, it provides reliable targeted cooling for grow room equipment, computers, AV systems and other heat-producing electronics.\u003c\/p\u003e\n\u003cp\u003eUSB-powered operation, flexible horizontal or vertical positioning and the ability to connect multiple MULTIFAN units make the S3 an easy and effective way to improve airflow and help protect valuable equipment from excessive heat.\u003c\/p\u003e","brand":"AC INFINITY","offers":[{"title":"Default Title","offer_id":58266206962047,"sku":null,"price":16.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/0571\/1635\/files\/StorePhoto1__95201_1800x1800_9e3e3581-affb-4c23-8600-f72bb8cb32ca.webp?v=1787660536","url":"https:\/\/greenspirit-hydroponics.com\/products\/ac-infinity-multifan-s3-quiet-usb-cooling-fan-120mm","provider":"Green Spirit Horticulture","version":"1.0","type":"link"}