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🌀 Cool smarter, not louder — the fan your gear deserves.
The Noctua NF-A4x20 PWM is a premium 40x40x20 mm fan engineered for ultra-quiet, high-performance cooling. Featuring a max speed of 5000 RPM controlled via 4-pin PWM, it delivers efficient airflow at just 14.9 dB noise. Designed for compact devices like 1U servers and network equipment, it includes a rich accessory kit for easy, vibration-free installation and comes backed by a 6-year warranty.
| ASIN | B07125KWG1 |
| Air Flow Capacity | 9.4 Cubic Metres Per Hour |
| Best Sellers Rank | 3,743 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 36 in Thermal Management Products 100 in Fans & Cooling |
| Brand | Noctua |
| Compatible Devices | Desktop |
| Compatible devices | Desktop |
| Cooling Method | forced air |
| Cooling method | forced air |
| Country Of Origin | China |
| Customer Reviews | 4.8 out of 5 stars 1,651 Reviews |
| Global Trade Identification Number | 09010018100105 |
| Item Dimensions L x W x H | 40L x 40W x 20H millimetres |
| Item Highlight | High Airflow Low Noise 20mm Thick Fan, for PC and Electronics Cooling, Rich Accessory Kit, 5000rpm 4-Pin PWM |
| 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 |
| Power connector type | 4-Pin |
| Product Warranty | 6 year manufacturer’s warranty |
| Product dimensions | 40L x 40W x 20H millimetres |
| Unit Count | 1.0 count |
| Voltage | 12 Volts |
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