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AC Infinity Multifan Mini Spot Cooler 1 x 40mm

In stock

Multifan Mini - 40mm Quiet USB Cooling Fan

This compact cooling fan can be positioned to stand upright or laid flat to cool various electronics and ventilate DIY projects. Features a multi-speed controller with power switch. Includes anti-vibration rubber feet and a 6-foot power cord. The low power-consumption fan can be powered by USB ports found on popular electronics, power adaptors, and on portable power banks. Each unit contains an additional USB port, up to four fans can be daisy-chained together to share the same power source. Certified by CE and RoHS.

Key Features:
- Compact and energy-efficient USB fan designed various DIY cooling and ventilation projects. 
- Features a multi-speed controller to set the fan’s 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 | Power: USB

USB Powered

The Multifan series spot coolers are powered by the connected USB cable with in-line speed controller. Plug this fan into a USB outlet on your AV device, computer, or wall adapter for instant and effective airflow. No external power supplies necessary!

Speed Controller

The fan includes an in-line multi-speed controller with power switch to set the fan’s speed to optimal noise and airflow levels for various environments.

Connecting Additional Units

For applications that require more airflow, each fan unit can daisy chain additional MULTIFAN S series fans. Up to four fans can share the same USB power source, and up to six fans can share the same thermal controller (sold separately). MULTIFAN S1, S2, S3, S4, and Mini contains one fan, and MULTIFAN S5 and S7 contain two fans.


This small and energy-efficient cooling fan is popular in various cooling and ventilation applications including video game consoles, cosplay, helmets, virtual reality gear, aquarium, Roku, router, raspberry pi, and other DIY projects

More Information
Model Number AI-MPF40A
RRP 36.00

Total Dimensions: 40 x 40 x 20 mm
Hole to Hole Distance: 1.26 x 1.26 in. (3.2 x 3.2 cm)
Screw Hole Size: Ø 0.35 cm
Cord Length: 72 in. (6 feet)

Total Airflow: 12 CFM
Total Noise: 18 dBA
Speed: 6000 RPM
Power Supply: USB
Operating Voltage: 3 to 7V DC
Power: 0.6 W
Current: 0.12 A
Static Pressure: 4.2 mm-H2O
Operating Humidity: 35 to 85% RH
Operating Temperature: 0 to 158°F
Fan Bearings: Dual Ball
L10 Life Expectancy: 67,000 Hours

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2 Years
Each AC Infinity product will be free from defects for a period of TWO YEARS from the date of purchase. If a product is found to have a defect in material or performance, you will be entitled to a repair or replacement.

If you experience any issues with this product please don't hesitate to contact us.
How much does delivery cost?
Nothing! We offer free post on all orders to anywhere within the Australian mainland and Tasmania.

Can I pick up my purchase from your store?
Yes. You can usually pick up your order from one of our stores. We recommend that you contact us first to ensure your order is ready for collection.

What happens if I'm not happy with my product when it arrives?
We offer a 30 day 100% satisfaction guarantee on all of our products! If your order arrives damaged, faulty or not quite as you expected, please contact us and we will do everything we can to fix the situation.

Please visit our FAQ page for answers to other frequently asked questions or contact us if you have any other questions or comments.