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🌀 Cool smarter, not louder — the silent powerhouse your gear deserves!
The Noctua NF-A4x20 PWM is a high-performance 40x40x20 mm fan engineered for ultra-quiet, efficient cooling in compact devices like 1U servers and network equipment. Featuring advanced aerodynamic design, 4-pin PWM speed control up to 5000 RPM, and a noise level as low as 14.9 dB(A), it ensures reliable airflow with minimal sound. Backed by a 6-year warranty and a comprehensive accessory kit, it’s the go-to choice for professionals demanding silent, durable cooling solutions.
| ASIN | B07125KWG1 |
| Air Flow Capacity | 9.4 Cubic Metres Per Hour |
| Best Sellers Rank | 2,987 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 19 in Thermal Management Products 69 in Fans & Cooling |
| Brand | Noctua |
| Compatible Devices | Desktop |
| Cooling Method | forced air |
| Country Of Origin | China |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,647) |
| Global Trade Identification Number | 09010018100105 |
| Item Dimensions L x W x H | 40L x 40W x 20H millimetres |
| Item Weight | 20 Grams |
| Manufacturer | Noctua |
| Manufacturer Part Number | NF-A4x20 PWM |
| Material | Fibre-glass reinforced PBT |
| Max Rotational Speed | 5000 RPM |
| Model Number | NF-A4x20 PWM |
| Noise Level | 14.9 Decibels |
| Number of Items | 1 |
| Number of Packs | 1 |
| Power Connector Type | 4-Pin |
| Product Warranty | 6 year manufacturer’s warranty |
| Unit Count | 1.0 count |
| Voltage | 12 Volts |
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