Is the daisy chain port full, unswitched usb power, or is it controlled via the speed control? as it's located after the speed switch it wasn't clear.

The port is controlled by the switch. I got 4.9V on H, 4.4V on M, lower than 4V on L and no output on OFF.

can you use with xbox one,what is the USB type?

I put one of these on my Xbox One and it works great. It isn't loud at all and keeps my system cooler. It is a standard usb connection (not a mini or micro USB).

Will this centrifugal fan work better than the equivalent axial version behind a HEPA filter? I heard centrifugal fans work better with pressure drops

centrifugal fans work better when a pressure difference is necessary ie your HEPA filter, this fan will work better than an axle fan and as the filter starts clogging up will continue to pull air longer

Can you power the blower on full speed with the female usb port? i know that it is designed to power an additional fan.

No, the male usb is inline with the switch, that's how you connect it.

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AC Infinity AC Infinity MULTIFAN S2, Quiet 120mm USB Blower Fan with Speed Control, for Receiver DVR Xbox Modem AV Cabinet Cooling

Product ID: 266986238

Details

Brand
AC Infinity
Power connector type
4-Pin
Product dimensions
25L x 119W x
Voltage
5 Volts
Wattage
1.2 watts

🔇17 dBA ultra-quiet

⚙️Multi-speed USB control

🌬️35 CFM airflow

27786 Ft

Duties & taxes included

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Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🌬️ Stay cool, stay ahead — the silent powerhouse your gear deserves!

PLUG PLAY USB POWER - Easily powers from any USB port on your AV gear or consoles—no extra adapters needed.
WHISPER QUIET COOLING - Ultra-low 17 dBA noise keeps your workspace serene while maximizing airflow.
COMPACT SLEEK DESIGN - Low-profile 4.7x4.7x1 inch form factor fits tight spaces without sacrificing performance.
PRECISION SPEED CONTROL - Adjust fan speed seamlessly with the built-in multi-speed controller for perfect cooling balance.
DURABLE DUAL BALL BEARINGS - Engineered for 67,000 hours of reliable, vibration-free operation with silicone rubber feet.

The AC Infinity MULTIFAN S2 is a UL-certified, ultra-quiet 120mm USB blower fan delivering 35 CFM airflow at just 17 dBA noise. Its multi-speed controller and compact design make it ideal for cooling AV cabinets, gaming consoles, and electronics with limited clearance. Powered via USB and built with durable dual-ball bearings, it ensures long-lasting, efficient heat dissipation while maintaining whisper-quiet operation.

Specifications

ASIN	B012CL2V3I
Air Flow Capacity	35 Cubic Feet Per Minute
Best Sellers Rank	#11,908 in Computers ( See Top 100 in Computers ) #65 in Computer Case Fans
Brand Name	AC Infinity
Compatible Devices	Electronic components, Desktop computers
Cooling Method	Air
Customer Reviews	4.7 4.7 out of 5 stars (1,474)
Item Dimensions L x W x H	25L x 119W x 119H millimeters
Item Weight	8 Ounces
Manufacturer	AC Infinity
Material Type	Plastic Metal
Maximum Rotational Speed	1200 RPM
Model	AI-MPB140A
Noise Level	17 Decibels
Number of Items	1
Number of Packs	1
Part Number	AI-MPB140A
Power Connector Type	4-Pin
UPC	854759004495
Unit Count	1.0 Count
Voltage	5 Volts
Wattage	1.2 watts

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27786 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered 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 Hungary.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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4 days ago

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