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🌀 Cool smarter, not louder — the fan your setup deserves!
The Noctua NF-A4x20 5V PWM is a premium 40x40x20mm quiet fan designed for professional-grade cooling in compact devices. Featuring a max speed of 5000 RPM, ultra-low noise of 14.9 dB(A), and a robust 4-pin PWM interface, it offers precise airflow control and exceptional durability with over 150,000 hours MTTF. Ideal for applications like NVIDIA Jetson Nano, 1U servers, and network equipment, this award-winning fan combines cutting-edge acoustic optimization with reliable performance backed by a 6-year warranty.
| ASIN | B071FNHVXN |
| Best Sellers Rank | #27,702 in Computers ( See Top 100 in Computers ) #193 in Computer Case Fans |
| Brand | Noctua |
| Brand Name | Noctua |
| Compatible Devices | Desktop, Gaming Console, Laptop, Server |
| Compatible devices | Desktop, Gaming Console, Laptop, Server |
| Cooling Method | Air |
| Cooling method | Air |
| Customer Reviews | 4.8 out of 5 stars 926 Reviews |
| Global Trade Identification Number | 09010018100136 |
| Item Dimensions L x W x H | 20L x 40W x 40H millimeters |
| Item Weight | 84 Grams |
| Manufacturer | Noctua |
| Material Type | Fibre-glass reinforced PBT |
| Maximum Rotational Speed | 5000 RPM |
| Model | NF-A4x205VPWM |
| Noise Level | 14.9 Decibels |
| Number of Items | 1 |
| Part Number | NF-A4x20 5V PWM |
| Power Connector Type | 4-Pin |
| Power connector type | 4-Pin |
| Product dimensions | 20L x 40W x 40H millimeters |
| Unit Count | 1 Count |
| Voltage | 5 Volts |
| Warranty Description | 6 year manufacturer’s warranty |
F**I
Noctua una garanzia
Fantastica mini ventola dalle performance eccezzionali. Tiene a bada un miner BitAxe spinto alla massima frequenza, temperatura sui 52 gradi. Rumore appena percettibile. Con la ventola di default sembrava di stare vicino a una turbina con temperature oltre i 69 gradi. Super
Ö**L
Noctua NF-A4x20 5V PWM USB kablosu çıkmadı
Noctua NF-A4x20 5V PWM kutusundan USB kablosu çıkmadı, araştırdığımda zaten buna USB güç kablosu dahil olmadığını farkettim. Ürün açıklaması yanıltıcıydı. Şimdi ürünü iade edip yenisini 15gün beklemek zorundayım. 40x10mm boyutlarındaki ürüne USB kablosu dahil sanırım belki birinin işine yarar bu bilgi. Noctua NF-A4x20 5V PWM ürünğnden USB güç kablosu çıkmadı.
V**O
Silent and great quality
Ever wondered why that fan makes such annoying noise? Well no longer with Noctua. This is one of the quietest fans that I have used to date. Especially those smaller fans make a lot of noise. Besides that this fan has a great ball bearing, it also comes with rubber vibration cancellation connectors. These easy to use rubber connector are easy to place in your case, and even easier to thread through the fan to fasten them in place. Over the years I have replaced a great amount of fans with those from Noctua.
L**R
Efficient and mostly silent fan
I'm using this fan to cool my Push 3 Standalone, which had a tendency to crash due to overheating after a few hours. It does the job perfectly as even after half a day, the Push's heatsink is still only luke warm even with the high summer temperatures. Still a bit noisy at 5000rpm, though, so I'll PWM to probably around 3000rpm and see from there. Overall, the quality is on par with what I was expecting from Noctua.
A**M
fan ok delivery terrible
firstly prev bought 2 of these there really good fans unfortunately product was delivered to totally the wrong address i have tried all places it could be to no avail so nothing wrong with product but delivery sucks
Trustpilot
2 months ago
1 month ago