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🌀 Silence Meets Power: The Mini Fan That Keeps Your Tech Cool and Your Mind Clear
The Noctua NF-A4x20 PWM is a premium 40mm cooling fan engineered for ultra-quiet, high-performance airflow. With a maximum speed of 5000 RPM, advanced acoustic optimization, and PWM automatic speed control, it’s ideal for compact devices like 1U servers, routers, and NAS units. Its vibration-dampening mounts and durable materials ensure long-lasting, silent operation, all backed by a 6-year manufacturer’s warranty.
| ASIN | B071W93333 |
| Air Flow Capacity | 40 Cubic Centimeters Per Second |
| Best Sellers Rank | #19,615 in Computers ( See Top 100 in Computers ) #143 in Computer Case Fans |
| Brand | Noctua |
| Brand Name | Noctua |
| Compatible Devices | Potential Compatible Devices: ['Router', 'Switch', 'Small Desktop'] |
| Compatible devices | Potential Compatible Devices: ['Router', 'Switch', 'Small Desktop'] |
| Cooling Method | Air |
| Cooling method | Air |
| Customer Reviews | 4.8 out of 5 stars 1,964 Reviews |
| Item Dimensions L x W x H | 40L x 40W x 20H millimeters |
| Manufacturer | SER FLYMON |
| Material Type | Fibre-glass reinforced PBT |
| Maximum Rotational Speed | 5000 RPM |
| Model | NF-A4x20 PWM |
| Noise Level | 14.9 Decibels |
| Number of Items | 1 |
| Part Number | NF-A4x20 PWM |
| Power Connector Type | 4-Pin |
| Power connector type | 4-Pin |
| Product dimensions | 40L x 40W x 20H millimeters |
| UPC | 841500110109 |
| Voltage | 12 Volts |
R**I
It's Noctua, you can never go wrong
This fan is one of the most silent and high performing fans that I've gotten, specially for it's size and it's rpm. If there is any fan that I would recommend for it's quality and service, it's Noctua. Don't question it, just buy it!
M**E
Silent!
Amazingly silent
I**Z
Producto muy bueno, envío premium lento.
Noctua es símbolo de calidad aunque un poco caro son sus productos. Para Canarias no recomiendo los envíos premium ya que tardan lo mismo que los normales.
S**E
The gold standard fans for quieting noisy computer gear.
I used these to replace the 6 noisy fans inside an Arista 7050S-52 Enterprise-grade network switch. All the electricals lined up, but did have to 3D print up some extra spacers, since they're less thick. They're superbly quiet. Despite them being great fans, they're expensive.
K**C
Running it inside Mikrotik CRS317-1G-16S+
Adding adding 10G copper transceivers, the stock fans were unbearably whiny because the copper transceivers run crazy hot. I swapped the stock fans to these and now all I get is peace and tranquility.
M**N
Very quiet
Got 3 of these in my 1U server and it’s very quite, compared to my old fans.
M**G
Very quiet yet still move enough air. Good for 1U switches that come with loud fans
Got these to install in a MikroTik switch that is inside my office area. Worked great! They fit pefectly and the fan header connectors were compatable with the switch. They would probably also work in a 1U server but they may not push enough air for really demanding cooling. Switch and router and lower power 1U devices they are perfect. Also include the standard Noctua goodies in the box. Very nicely made and high quality.
Trustpilot
1 month ago
2 months ago