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AC Infinity MULTIFAN S4, Ultra-Quiet 140mm USB Fan with Speed Controller
✅ In stock
F
Grade
Analysis Confidence
100%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 28, 2026 12:37 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 💰The price is modestly below what this product ordinarily sells for.
- 🏷️The retail sticker price has been slashed by 78% — a steep markdown from the official listing.
- 📉No lower price has surfaced in the past twelve months, making this one of the standout deals in recent memory.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
5.22/28
Recent Value
0/22
Market Standing
1.5/20
Deal Strength
16/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
AC Infinity
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓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: 5.5 x 5.5 x 1 in. | Airflow: 57 CFM | Noise: 18 dBA | Bearings: Dual Ball
⚙️ Specifications
Product Dimensions
1"L x 5.5"W x 5.5"H
Brand
AC Infinity
Power Connector Type
4-Pin
Voltage
5 volts
Wattage
1.5 watts
Cooling Method
Air
Compatible Devices
Amplifier
Noise Level
18 db
Material
Rubber
Maximum Rotational Speed
2000 rpm
Air Flow Capacity
57 cfm
