Top 10 Best 40mm Usb Fan

Fan size 40x40x10mmLWH Rated Voltage 5V DC, Current 0.21A.. Airflow 3CFM, Speed 42005PRM, Noise 22 DBA.. Bearing Type Oil Bearing.. Lead Wire USB Length Approx.1m 39.37 in.. Package Included 4 DC brushless fans.Notice 'DO NOT GET WET' or 'Put it in a humid environment' Or it will stop working. Any questions, you can contact us and we will help you..

40mm Mini DesignProduct size is 40 40 25mm exclude metal frame. With a design of mini and lightweight, this usb fan can be used in narrow places such as computer hosts, routers, etc. It can also be placed in a small gap on a desk or computer to cool down electronic products. Note the 40mm fan is small and the speed will increase to achieve the heat dissipation effect, so some noise will be generated during use.. 2 in 1 USB FanCompared to a single fan, the latest upgraded 2 in 1 dual usb fans can cool electronic products from different angles at the same time, which is more efficient. With a large air volume design and an external hard disk box, it can also cool electronic devices such as smart phones, game consoles and personal computers in a few seconds.. USB Power Supply, Plug and PlayUSB power cable is plug and play. With a speed adjustment switch, there are 3 wind speeds for you to choose, the speeds are respectively L4000 M4800 H5500rpm - 10 2, noise L23 M25.2 H27.3dB. The noise and air volume can be adjusted according to the use environment. Two fans can be connected to one USB cable and run at the same time to improve efficiency.. Double Ball Bearing Design Long Service LifeAdopt high-quality double ball bearing motor, the service life is twice that of ordinary fans, and it can work continuously for a long time. Equipped with a metal frame and finger safety protection to prevent accidental injury during operation.. Wide ApplicationThis usb pc fan is not only suitable for cooling equipment such as personal computers, routers and HDDs, but also suitable for AV equipment and game consoles. Simply connect to a device equipped with a USB terminal than can start cooling easily without cumbersome wiring..

Compact and energy-efficient USB fan designed various DIY cooling and ventilation projects.. Features a multi-speed controller to set the fans speed to optimal noise and airflow levels.. Dual-ball bearings have a lifespan of 67,000 hours and allows the fans to be laid flat or stand upright.. USB plug can power the fan through USB ports found behind electronics and on portable power banks.. Dimensions 1.6 x 1.6 x 0.8 in. Airflow 12 CFM Noise 18 dBA Bearings Dual Ball.

Mini Cooling Fan ELUTENG 40mm mini USB cooling fan with 3-speed control, size and super lightweight design, perfect fit for DIY cooling and narrow place.. 3 Speed Control Voltage 3.54.25V Air volume 3.53.884.4 CFM, different speed level for different cooling needs.NOTE Input power Max 5V1A. excess may damage the motor. Widely Used Suitable for ventilation of VR glasses TV box Raspberry pie Router Small PC Case and other small electronic equipment ventilation.. High Quality Metal grill on front side, protect cable and your hands High quality bearings, durable 100cm3.3ft USB cable , meet connection needs.Please confirm the size by pics before purchasing.. USB Powered 5V powered, allow you to use it in any places with USB power supply, convenient,perfect for HomeOfficeBusiness trip..

Rated Voltage 5V DC, Current 0.2A. Airflow 7.32CFM, Speed 6000PRM, Noise 26.26dBA. Bearing Type Dual Ball Bearing. Lead Wire USB, length 500mm19.68inch. Warranty two years, Package 2x DC brushless fans.

Rated Voltage 5V DC, Current 0.2A. Airflow 7.52CFM, Speed 6800RPM, Noise 26 dBA. Bearing Type Dual Ball Bearing Dual-ball bearings have a lifespan of 67,000 hours and allows the fans to be laid flat or stand upright. Lead Wire USB, length 500mm19.68inch. USB plug can power the fan through USB ports found behind popular AV electronics and game consoles..

SCCCF 40mm USB Fan with 3 Speed Control USB Ventilator 5V Cooling Fan Compatible for phone flat VR Gear, Aquarium, Roku, Router, Raspberry Pi, Cosplay, Helmet Receiver DVR Playstation Xbox Computer Cabinet Cooling. Mini Cooling Fan SCCCF 40mm mini USB cooling fan with 3-speed control, size and super lightweight design, perfect fit for DIY cooling and narrow place.. High Quality Metal grill on front side, protect cable and your hands High quality bearings, durable 100cm3.3ft USB cable , meet connection needs.Please confirm the size by pics before purchasing. Long LifeDual-ball bearings have a lifespan of 65,000 hours and allows the fans to be laid flat or stand upright.. Widely Used Suitable for ventilation of VR glasses TV box Raspberry pie Router Small PC Case and other small electronic equipment ventilation.

Tiny Cooling USB Fan WINSINN 40mm mini USB fan which micro size and lightweight design, suitable for DIY cooling and narrow place. 5V USB Powered, allow you to use it in any places with USB power supply, convenient, perfect for HomeOfficeBusiness trip.. High quality Hydraulic Bearings, 2-years Warranty. Balance between price and performance, suitable for daily use, life 35,000 Hours.. Rated Voltage DC 5V, Current 0.15A, Power 0.75W, Speed 5100PRM, Air Pressure 2.31mmHO, Airflow 5.56CFM, Noise 22.6dBA. Connector Cable length USB 39in1000mm, meet connection needs Size 40mm x 40mm x 10mm. Widely Used Suitable for ventilation of Small PC Case Router Raspberry pie TV box VR glasses and any small electronic equipment cooling ventilation..

4cm USB cooling fan with 3 level adjustable speed, being designed for cooling various electronics, components, tools and so on.. This variable speed fan with High,M, Low OnOff toggle on the cord sets different level speed to optimal noise and meet different cooling demands.. A small, quiet, and low speed fan can create circulation for a vivarium, cooling electronics, also a way to solve the lens, glass, etc. periodically fog up from breath. Dual-ball bearings have a long lifespan and allows the fans to be laid flat or stand upright. Powered by USB plug and USB ports can be found among most of popular electronics device..

Premium quiet fan, 40x40x10 mm, 5V, 4-pin PWM, max. 5000 RPM, max. 19.6 dBA, 150,000 h MTTF. Award-winning 40x10mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance. 5V 4-pin PWM version 5000rpm maximum speed with polarity protection for 5V applications with PWM speed control. USB power adaptor cable allows the fan to run on devices with USB host ports, power banks or USB power supplies such as those used by smartphones. Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.