What is the rpm on these?

I am not sure of the exact rpm. I can tell you that I have 7 of these. 1 80mm, 4 120mm, 2 140 mm. I use them on top of my receiver, under my laptop, router and on my nas. Very quiet while still pushing or pulling a good cfm number. Sorry I do not know the exact rpm speed but if your looking at a home theatre application I think these will work great. If you want cfm and some noise is OK you can probably do better.

How many watts does it consume?

With the a/c adapter used, 1.8 watts. Used without the a/c adapter (as usb powered) .80 of a watt.

14 months ago I purchased 3 140mm units for 24x7 usage; all 3 now fail to spin and just jiggle when plugged in. Anyone else have high failure rate?

Out of three 140mm and four 120mm units, that I own and have been running for approximately 24 months... One failure. Sent it back and got a replacement with no issues; blade broke.

I see the power cord has a usb connector on one side. is the cord hard wired to the fan or is there a connector? if a connector what type?

It is a full powered USB port? Or does the fan speed switch also affect the power coming out of the USB female attached to the fan?

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AC Infinity MULTIFAN S4, Quiet 140mm USB Fan, UL-Certified for Receiver DVR Playstation Xbox Computer Cabinet Cooling

Product ID: 254325798

Details

Brand
AC Infinity
Power connector type
USB
Product dimensions
25L x 140W x
Voltage
5 Volts
Wattage
1.5 watts

🌀57 CFM airflow

🔇18 dBA ultra-quiet

🔋67,000 hrs dual-ball bearing lifespan

€ 88.58

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Description

🌀 Stay cool, stay ahead—silence and power in perfect harmony.

COMPACT YET POWERFUL - Sleek 140mm design delivers a robust 57 CFM airflow, keeping your electronics cool and performing at their peak.
DURABILITY THAT LASTS - Dual-ball bearings rated for 67,000 hours keep your fan running strong, whether flat or upright.
PLUG PLAY USB POWER - Easily powers from any USB port on your consoles or receivers—no extra adapters needed.
WHISPER QUIET COOLING - Operate your gaming and AV gear without the noise distraction—just 18 dBA for stealthy airflow.
PRECISION SPEED CONTROL - Multi-speed controller lets you dial in the perfect balance of airflow and silence for any setup.

The AC Infinity MULTIFAN S4 is a UL-certified, ultra-quiet 140mm USB fan engineered for optimal cooling of gaming consoles, DVRs, and computer cabinets. Featuring a multi-speed controller, dual-ball bearings with a 67,000-hour lifespan, and a powerful 57 CFM airflow at just 18 dBA noise, it ensures your electronics stay cool and silent. USB-powered for effortless integration, this fan is a must-have for professionals and gamers seeking reliable, whisper-quiet performance.

Specifications

ASIN	B00MWH4FL4
Air Flow Capacity	57 Cubic Feet Per Minute
Best Sellers Rank	#47,381 in Computers ( See Top 100 in Computers ) #376 in Computer Case Fans
Brand Name	AC Infinity
Compatible Devices	Amplifier
Cooling Method	Air
Customer Reviews	4.6 4.6 out of 5 stars (3,084)
Global Trade Identification Number	00854759004365
Item Dimensions L x W x H	25L x 140W x 140H millimeters
Item Weight	9 g
Manufacturer	AC Infinity
Material Type	Rubber
Maximum Rotational Speed	2000 RPM
Model	AI-MPF140A
Noise Level	18 Decibels
Number of Items	1
Number of Packs	1
Part Number	FBA_AI-MPF140A
Power Connector Type	USB
UPC	854759004365
Unit Count	1 Count
Voltage	5 Volts
Wattage	1.5 watts

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€ 88.58

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cyprus.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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