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🆒 Stay cool, stay quiet — the ultimate stealth fan for your tech sanctuary.
The AC Infinity MULTIFAN S7 is a UL-certified, ultra-quiet USB cooling fan delivering 104 CFM airflow at just 19 dBA noise. Featuring a multi-speed controller and durable dual-ball bearings rated for 67,000 hours, it offers flexible placement and reliable cooling for AV electronics, gaming consoles, and more. Powered via USB, it’s designed to reduce heat buildup discreetly while maintaining whisper-quiet operation.











| ASIN | B00JLV4BWC |
| Air Flow Capacity | 104 Cubic Feet Per Minute |
| Best Sellers Rank | 1,137 in Computers & Accessories ( See Top 100 in Computers & Accessories ) 9 in USB Fans |
| Brand | AC Infinity |
| Compatible Devices | Digital Video Recorder, Receiver |
| Cooling Method | Air |
| Cooling method | Air |
| Country Of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 7,226 Reviews |
| Included Components | Cord |
| Item Dimensions L x W x H | 15L x 10W x 2H centimetres |
| Manufacturer | AC Infinity |
| Manufacturer Part Number | ACAIMPF120A2 |
| Material | Rubber |
| Max Rotational Speed | 1300 RPM |
| Model Number | AI-MPF120A2 |
| Noise Level | 19 Decibels |
| Number of Items | 1 |
| Power Connector Type | USB |
| Power connector type | USB |
| Product dimensions | 15L x 10W x 2H centimetres |
| UPC | 854759004341 |
| Unit Count | 1.0 count |
| Voltage | 12 Volts |
| Wattage | 5 watts |
K**Y
Excellent cooling power
These fans were brilliant. Using them freestanding to cool a cabinet shelf with a PS5 and there was a massive drop in the temperature. Quiet and solidly built.
T**M
Great fans for the price
Great fans, great price and quiet! I only need the lowest setting and it`s nice and cool in my arcade cabinet
C**Y
Perfect for heat buildup/AV unit
I buy a fair amount of pretty good products from Amazon and am generally too lazy to be enthusiastic enough to leave a review. This however, was worth doing one for. I fitted this to my wall built media cabinet, which has existing fans but was suffering heat buildup around the Devon AV unit. This has completely fixed the issue - the AV unit runs cold now, even turned the main cabinet fans down. Zero vibration or noise. Great, simple solution. Highly recommended (also can run in tandem with the other AC products I already use: controller/thermostat, case fans)
C**S
They're quiet but definitely audible even on the lowest setting.
The fans work fine although you can definitely hear them. I had to remove one side of the grills on both as they were resonating with the fans and causing a sine wave sound which was annoying until I figured it out. They move a good amount of air and are keeping my AVR cool which is all I wanted them for.
K**R
Rack mount cooling
I bought this to cool my switch rack, fits perfectly and is configurable fan speeds and temperature control is great, the display is clear and easy to use, great bit of kit
M**A
Quite and efferctive
This is a day 5 review so keep that in mind. Should anything go wrong I will try and update. I bought these fans to try and cool the inside of my PC, Specifically my 2 fan MSI armour gtx 1080. Playing Assassin's Creed Odyssey on ultra was running the temperature up to an average of 79 peaking at 82 degrees. Still within acceptable limits but high for my liking. Fans arrived and where unboxed, attached and running within 5 minutes of arrival. Running straight from PC USB port. One at front for air in one at rear for exhaust. Set speed to Medium. Game now runs at an average of 74/5 peaks at 78 degrees so greatly improved airflow. Even on high the fans are Super quiet. With one fan at the rear and one at the fron I still had a good amount of cable for further separation should it be needed. Makers state the fans should last up to 67,000 hours and have a two year warranty so more than enough life in them for the money. I would advise buying 120 mm Dust covers should you wish to use these for air intake. I was so impressed I bought another two within days.
G**C
Cooling Denon AVR
I have an aging Denon X4200 and it’s started to cut out after about 30 minutes. It’s always run hot but with the new fans even on low speed it runs very cool and no longer cuts out.
B**R
Great fans!
Used to help get rid of hot air from the PS5 and series x. Does its job. Mounted with about a 2 inch gap behind to help push the air out. Powered from a USB mains adapter so I could hide all the cabling behind my unit. The on/off switch is in the middle of both consoles for ease of access. Only visible in the picture because of camera flash, even tho their quite big their discrete and the noise is minimal. They are not silent, because the only thing you can hear when either console is on are these two running. Not noisy by any means but louder than the next gen.. Would recommend as they do their job 😊.
C**5
AC Infinity Fun
Acquistate assieme al suo controller per il raffreddamento di un sito amplificatore all'interno di un mobile. Davvero sorprendente la differenza di temperatura all'interno, si accendono automaticamente al raggiungimento di una determinata a temperatura. Consiglio assolutamente questo prodotto.
S**V
Good Quality Product
Deliver the function as promised . I have been using them over a month now. Silent and quality product. You need extra usb power supplier .
E**K
Sessiz ve etkili
Ürünü ses sistemime ilave soğutma sağlaması için aldım ve gerçekten etkisini hemen gösterdi. Çift fanlı versiyonu en hızlı kademede bile rahatsız etmiyor ve üfleme hızları da gayet tatmin edici. Mataryel tasarımları kalitesini belli ediyor.
S**S
Quiet and effective
Probably the most efficient USB fans out there. Good to cool AV or server racks that are not in their dedicated rooms (which is really what most people have to work with). There should be more AC Infinitys!
M**K
Much more than I expected! Silent and very effective!
Extremely silent and very very well built cooling fans. They have vibration dampening rubber feeti very clever. I created my own cooling box for my external ssd enclosures. The fan at the bottom blows air to the box and the one on the top of the box extracts hot air from the box. This system works perfectly. I put my external ssds in this box and I was able to reduce the temperature more than 10 celcius when using my external ssds at their peak performances when editing multiple photos and especially videos. They are attached to each other and both of them are powered by one usb-a connecter. I plug my iPads charger or I connect to my usb-c hub and it works perfectly. You can adjust the speed but I generally use it at low or medium speed. At these speeds, you do not hear it running. I am so happy with my purchase. One wish; they are connected to each other permanently, I wish I could use them separately when needed.
Trustpilot
3 weeks ago
2 months ago