---
product_id: 257774381
title: "AC Infinity MULTIFAN S3, Quiet 120mm USB Fan, UL-Certified for Receiver DVR Playstation Xbox Computer Cabinet Cooling"
brand: "ac infinity"
price: "¥6092"
currency: JPY
in_stock: true
reviews_count: 13
category: "Ac Infinity"
url: https://www.desertcart.jp/products/257774381-ac-infinity-multifan-s3-quiet-120mm-usb-fan-ul-certified
store_origin: JP
region: Japan
---

# 52 CFM airflow 18 dBA ultra-quiet noise 67,000 hrs dual-ball bearing life AC Infinity MULTIFAN S3, Quiet 120mm USB Fan, UL-Certified for Receiver DVR Playstation Xbox Computer Cabinet Cooling

**Brand:** ac infinity
**Price:** ¥6092
**Availability:** ✅ In Stock

## Summary

> 🆒 Stay cool, stay ahead — silent power for your tech sanctuary.

## Quick Answers

- **What is this?** AC Infinity MULTIFAN S3, Quiet 120mm USB Fan, UL-Certified for Receiver DVR Playstation Xbox Computer Cabinet Cooling by ac infinity
- **How much does it cost?** ¥6092 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/257774381-ac-infinity-multifan-s3-quiet-120mm-usb-fan-ul-certified)

## 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

- • **Customizable Airflow:** Multi-speed controller lets you dial in the perfect balance of noise and cooling.
- • **Plug & Play USB Power:** Powered directly from your device’s USB port—no extra adapters needed.
- • **Whisper-Quiet Cooling:** Ultra-quiet 18 dBA operation keeps your workspace distraction-free.
- • **Expandable Cooling Network:** Daisy chain up to 4 fans for scalable airflow tailored to your setup.
- • **Durability Meets Flexibility:** Premium dual-ball bearings ensure 67,000 hours of reliable performance, whether laid flat or standing upright.

## Overview

The AC Infinity MULTIFAN S3 is a UL-certified, ultra-quiet 120mm USB fan delivering 52 CFM airflow at just 18 dBA noise. Featuring a multi-speed controller and durable dual-ball bearings rated for 67,000 hours, it offers flexible horizontal or vertical mounting. Powered via USB, it supports daisy chaining up to four units, making it the perfect cooling solution for gaming consoles, DVRs, receivers, and computer cabinets.

## Description

Ultra-quiet UL-certified USB fan designed to cool various electronics and components. 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 popular AV electronics and game consoles. Fan Size: 4.7 x 4.7 x 1 in. | Airflow: 52 CFM | Noise: 18 dBA | Bearings: Dual Ball Product Description The ultra-quiet cooling fan can be positioned to stand upright or laid flat to cool various electronics and components. Features a multi-speed controller with power switch. Includes eight large anti-vibration rubber feet and a 6-foot power cord. The USB plug can be plugged into the USB ports found behind popular electronics such as receivers and video game consoles. Each unit contains an additional USB port, up to four fans can be daisy chained together to share the same power source. This fan system is CE and RoHS certified and contains premium dual-ball bearings, allowing it to be mounted horizontally or vertically. Contains AC Infinity axial fans ACX-FD1225(B)05W5 which meet UL-507 standards for safety under Underwriters Laboratories certificate E503903. 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 electronics and components that requires 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 and S4 contains one fan, and MULTIFAN S5 and S7 contains two fans. Applications This ultra-quiet cooling fan is popular in a variety of electronics and components such as receivers, DVRs, video game consoles, modems, computers, amplifiers, and other audio video equipment. Product Identification Manufacturer AC Infinity Inc. Product Name MULTIFAN S3 Product Model AI-MPF120A UPC Code 854759004310 Product Dimensions Total Dimensions 4.7 x 4.7 x 1.0 in. (12.0 x 12.0 x 2.5 cm) Hole to Hole Distance 4.14 x 4.14 in. (10.5 x 10.5 cm) Screw Hole Size Ø 0.17 in. (Ø 0.4 cm) Cord Length 72 in. (6 feet) Product Performance and Technical Specs Total Airflow 52 CFM Total Noise 18 dBA Speed 1300 RPM Operating Voltage 3 to 7V DC Power 1.6 W Current 0.32 A Wall Adapter Input 100 to 240V AC Static Pressure 1 mm-H2O Operating Humidity 35 to 85% RH Operating Temperature 0 to 158°F Fan Bearings Dual Ball Mounting Positions Horizontal or Vertical L10 Life Expectancy 67,000 Hours UL Certification (Fans Only) PDF CE Certification (Whole Product) PDF RoHS Cert. (Whole Product) PDF Product Manuals Fan Unit Manual PDF

Review: great - great, installed in a PC cabinet. works perfectly
Review: High end product - Brand name with great selection. Became a fan

## Features

- Ultra-quiet UL-certified USB fan designed to cool various electronics and components.
- 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 popular AV electronics and game consoles.
- Fan Size: 12 x 12 x 2.5 cm | Airflow: 52 CFM | Noise: 18 dBA | Bearings: Dual Ball

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00G05A2MU |
| Best Sellers Rank | #7,639 in Computers ( See Top 100 in Computers ) #25 in Computer Case Fans |
| Item model number | FBA_AI-MPF120A |
| Manufacturer | AC Infinity |
| Product Dimensions | 11.94 x 2.54 x 11.94 cm; 9.07 g |

## Product Details

- **Brand:** AC Infinity
- **Power connector type:** USB
- **Product dimensions:** 11.9L x 2.5W x 11.9H centimeters
- **Voltage:** 5 Volts
- **Wattage:** 5 watts

## Images

![AC Infinity MULTIFAN S3, Quiet 120mm USB Fan, UL-Certified for Receiver DVR Playstation Xbox Computer Cabinet Cooling - Image 1](https://m.media-amazon.com/images/I/61YhqqovKjL.jpg)

## Questions & Answers

**Q: Its work 24/7/365.?**
A: Hey Waleed, mine had been running for 2.5 years without a problem. Probably the best fans on the market at the moment.

## Customer Reviews

### ⭐⭐⭐⭐⭐ great
*by T***R on 25 February 2025*

great, installed in a PC cabinet. works perfectly

### ⭐⭐⭐⭐⭐ High end product
*by S***Y on 5 November 2024*

Brand name with great selection. Became a fan

### ⭐⭐⭐⭐⭐ Cooling fans control temp for PC case
*by A***R on 21 August 2024*

Excellent, they do what they are supposed to do at keeping the temperature inside the pc unit cool. Running 6 small internal fans.

## Frequently Bought Together

- AC Infinity MULTIFAN S3, Quiet 120mm USB Fan, UL-Certified for Receiver DVR PlayStation Xbox Computer Cabinet Cooling
- AC Infinity MULTIFAN S7, Quiet Dual 120mm 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 Japan*
*Store origin: JP*
*Last updated: 2026-02-18*