---
product_id: 63275470
title: "AC Infinity MULTIFAN Mini, Compact 40mm x 20mm USB Fan, UL-Certified for VR Gear, Aquarium, Roku, Router, Raspberry Pi, Cosplay, Helmet Cooling Ventilation"
brand: "ac infinity"
price: "10851 Ft"
currency: HUF
in_stock: true
reviews_count: 5
url: https://www.desertcart.hu/products/63275470-ac-infinity-multifan-mini-compact-40mm-x-20mm-usb-fan
store_origin: HU
region: Hungary
---

# 67,000-hour dual ball bearing lifespan 12 CFM airflow for powerful cooling Ultra-quiet 18 dBA noise level AC Infinity MULTIFAN Mini, Compact 40mm x 20mm USB Fan, UL-Certified for VR Gear, Aquarium, Roku, Router, Raspberry Pi, Cosplay, Helmet Cooling Ventilation

**Brand:** ac infinity
**Price:** 10851 Ft
**Availability:** ✅ In Stock

## Summary

> 🆒 Stay cool, stay ahead — mini fan, mega impact!

## Quick Answers

- **What is this?** AC Infinity MULTIFAN Mini, Compact 40mm x 20mm USB Fan, UL-Certified for VR Gear, Aquarium, Roku, Router, Raspberry Pi, Cosplay, Helmet Cooling Ventilation by ac infinity
- **How much does it cost?** 10851 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/63275470-ac-infinity-multifan-mini-compact-40mm-x-20mm-usb-fan)

## Best For

- ac infinity enthusiasts

## Why This Product

- Trusted ac infinity brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Durable dual ball bearings ensure 67,000 hours of reliable, maintenance-free performance.
- • **Compact Powerhouse:** Sleek 40mm x 20mm design fits anywhere, from VR gear to Raspberry Pi setups.
- • **Customizable Airflow:** Multi-speed controller lets you dial in the perfect balance of breeze and silence.
- • **Whisper-Quiet Cooling:** Operate in peace with ultra-low 18 dBA noise—perfect for work or play.
- • **Plug & Play Convenience:** USB-powered for effortless integration with your gadgets and portable power banks.

## Overview

The AC InfinityMULTIFAN Mini is a compact, UL-certified USB fan delivering 12 CFM airflow at whisper-quiet 18 dBA noise. Its durable dual ball bearings guarantee up to 67,000 hours of operation, while the multi-speed controller offers customizable cooling. Perfect for VR gear, routers, Raspberry Pi, and cosplay, this sleek 40mm x 20mm fan plugs into any USB port for instant, reliable ventilation.

## Description

Multi-speed controller The power switch allows you to adjust the fan speed to optimal noise and airflow levels for different applications and noise environments.

## 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Product Dimensions | 0.8"L x 1.6"W x 1.6"H |
| Brand | AC Infinity |
| Power Connector Type | 4-Pin |
| Voltage | 12 Volts |
| Wattage | 18 watts |
| Cooling Method | Forced air, forced convection |
| Compatible Devices | Devices with USB port |
| Noise Level | 18 dB |
| Material | Rubber |
| Maximum Rotational Speed | 6000 RPM |
| Air Flow Capacity | 12 Cubic Feet Per Minute |
| UPC | 819137020559 |
| Manufacturer | AC Infinity |
| Number of Items | 1 |
| Part Number | AI-MPF40A |
| Item Weight | 0.32 ounces |
| Item model number | AI-MPF40A |
| Is Discontinued By Manufacturer | No |
| Size | 40mm |
| Color | Black |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Product Dimensions:** 0.8"L x 1.6"W x 1.6"H
- **Brand:** AC Infinity
- **Power Connector Type:** 4-Pin
- **Voltage:** 12 Volts
- **Wattage:** 18 watts
- **Cooling Method:** Forced air, forced convection
- **Compatible Devices:** Devices with USB port
- **Noise Level:** 18 Decibels
- **Material:** Rubber
- **Maximum Rotational Speed:** 6000 RPM

## Images

![AC Infinity MULTIFAN Mini, Compact 40mm x 20mm USB Fan, UL-Certified for VR Gear, Aquarium, Roku, Router, Raspberry Pi, Cosplay, Helmet Cooling Ventilation - Image 1](https://m.media-amazon.com/images/I/51xuX9D1r-L.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ This Fan Will Make Your Electronics Last Longer!
*by S***T on September 26, 2018*

This isn't the first AC Infinity fan I've bought. On electronics that put out alot of heat, quite often the manufacturer doesn't provide for adequate ventalation so you have to replace your equipment more often, and they make more money. These fans help to remove that electronic destroying heat and extend the life of your investment! I used this particular fan to cool my D-Link Router, which puts out alot of heat, but yet has no cooling fans. Because of the small size of this AC Infinity fan, it is perfect for the improved removal of heat from the router. Plus, since it sets adjacent to my computer, there are plenty of USB ports handy. In the past I have also used AC Infinity fans for cooling my TiVo Bolt and my television. The fan is described as ultra quiet, which I feel is an exaggeration. It's quiet, but not ultra quiet. If I had one complaint, it would be that the cord is so long for MY router application. It would be nice if the cord length was adjustable. This item is designed in California, but it's MADE IN Communist CHINA. Despite being made in China however, the quality seems to be very good. I recommend this item.

### ⭐⭐⭐⭐⭐ Awesome product
*by C***E on April 16, 2024*

This fan is awesome! I didn’t expect much but it actually is a quality product, silent and very effective.I was searching for a cooling fan for Nintendo switch, there’re a lot of aftermarket products; most reviews on those that they’re either too loud, broke down too soon, or of cheap quality. Also, most cooling solutions aimed for the Nintendo switch would require to be either attached to the duck or to the console itself which would deplete its charge.This fan has the option to connect independently to a power supply or the dock, yet stay detached and mounted conveniently where you could place anywhere around the device you want to cool down or help in exhaust air suction.

### ⭐⭐⭐⭐ Really puts the FAN in fantastic!
*by J***R on February 20, 2020*

I bought four of the 4" fans to squeeze into the rear slots in my entertainment cabinet. I suspected that I could use the silicone rubber feet to mount the fans, and it worked! The fans are held in place solely by the tight fit of the silicone washers against the edges of the cable cut-outs in the back of the cabinet.Since they are tight, and the rear of the cabinets are thin wood, at their highest RPMs, the fans make noise louder than the Xbox One X in the cabinet. However, at the "Medium" settings, the fans are no louder than the game console, and at the "Low" settings, the fans in the game console are louder.They really move a lot of air at the highest setting. I could feel quite warm air exiting the cabinet from the fans directly behind the Xbox One X, which vents heat out the rear of its housing. The other fans that were pulling air from mostly empty space were blowing out cool air.You can daisy-chain these together, but the speed control seems to affects all the other fans downstream. I had four of these connected together, with only one of them plugged into USB power. When I set the fan plugged into power to Low, the fan at the end of the chain stopped. Presumably, the other fans slowed down.

## Frequently Bought Together

- AC Infinity MULTIFAN Mini, Compact 40mm x 20mm USB Fan, UL-Certified for VR Gear, Aquarium, Roku, Router, Raspberry Pi, Cosplay, Helmet Cooling Ventilation
- AC Infinity MULTIFAN S1, Quiet 80mm USB Fan, UL-Certified for Receiver DVR PlayStation Xbox Computer Cabinet Cooling
- AC Infinity Turbo Fan Power Adapter, for MULTIFAN Series USB Fans

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-01-30*