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🌀 Silence Meets Power: The Ultimate Mini Fan Upgrade You Didn’t Know You Needed
The Noctua NF-A4x20 PWM is a premium 40mm cooling fan engineered for ultra-quiet, high-performance airflow up to 5000 RPM. Its compact size is ideal for 1U servers, network devices, and small desktops, featuring advanced acoustic optimization and PWM speed control. Equipped with anti-vibration mounts and a comprehensive accessory kit, it ensures stable, silent operation backed by a 6-year manufacturer warranty.
| ASIN | B071W93333 |
| Air Flow Capacity | 40 Cubic Centimeters Per Second |
| Best Sellers Rank | #21,913 in Computers ( See Top 100 in Computers ) #131 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 1,978 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 |
| Number of Packs | 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.
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.
T**G
Super Leise und Leicht zu installieren
Ich habe diese Lüfter gekauft um den Geräuschpegel diverser Netzwerkgeräte in meinem Serverschrank zu reduzieren. Die Installation ist einfach und man hat so einiges an Zubehör dabei. Die Lüfter sind ausserordentlich Leise und fast nicht zu hören. Die Kühlleistung ist akzeptabel, aber natürlich nicht vergleichbar mit echten Server-Lüftern. Für wen aber ein paar Grad mehr in den Geräten im Gegenzug zu deutlich leiseren Lüftern akzeptabel ist, sind diese hier sehr zu empfehlen.
Trustpilot
4 days ago
1 week ago