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Noctua NF-A4x20 5V PWM Case Fan, 40 x 20 mm, Brown/Beige

Manufacturer: NOCTUA
ID: NF-A4X20-5V-PWM
1690€ Show VAT 0% Show VAT 25,5%
Estimated delivery: 15.04 - 20.04
31pcs available at remote stock
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Key Specifications

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Specifications
Description
Store availability
Delivery
Price development
Technical details
Bearing technologySSO2
Weight & dimensions
Weight20 g
Cable length0.3 m
Height40 mm
Width40 mm
Depth20 mm
Energy management
Power consumption (typical)0.5 W
Rated current0.1 A
Voltage5 V
Packaging content
Mounting kitcheckmark
Screws includedcheckmark
Other features
Power requirements5 V
Connector(s)4-pin PWM
Mounting hole pattern (W x D)32 x 32 mm
Design
Number of fans1 fan(s)
Fan connector4-pin
Illumination LEDcross
Performance
TypeFan
Mean time between failures (MTBF)150000 h
Speed detectioncheckmark
Airflow9.4 m³/h
Fan diameter4 cm
Suitable locationComputer case
Maximum air pressure2.26 mmH2O
Noise level (high speed)14.9 dB
Rotational speed (max)5000 RPM
Rotational speed (min)1100 RPM
Pulse-width modulation (PWM) supportcheckmark
Features
Product typeCase fan
Logistics data
Harmonized System (HS) code84733080
EAN9010018100136

The Noctua NF-A4x20 5V PWM is a specialized 40x20mm fan designed for applications that utilize a 5V power source. It connects via a 4-pin PWM header, enabling precise rotational speed adjustments based on thermal requirements from a compatible motherboard or fan controller. At its core, the fan is constructed with Noctua's SSO2 bearing, which is engineered for high operational stability and long-term reliability. This model is intended for system integrators and builders working with compact hardware like 1U servers, network devices, or embedded systems.

Regarding performance, the fan can reach a maximum speed of 5000 RPM, producing an airflow of 5.53 CFM and a static pressure of 2.26 mmH2O. This pressure level is effective for moving air through dense heatsinks, fine-mesh filters, or other obstructions common in small enclosures. Its acoustic output is rated at 14.9 dB at full speed, allowing for quiet operation in noise-sensitive environments. The package includes anti-vibration mounts to further reduce operational noise and an OmniJoin adaptor set for connecting to proprietary fan headers.

Key Features:
  • Operates on a 5V power input with 4-pin PWM control
  • Features a compact 40x20mm frame for small enclosures
  • Built with an SSO2 bearing for increased stability and longevity
  • Provides up to 5.53 CFM of airflow at 5000 RPM
  • Generates 2.26 mmH2O of static pressure for restricted spaces
  • Produces a maximum noise level of 14.9 dB
Multitronic Vaasa: 0 pcs
Estimated delivery: 14.04 - 20.04
Multitronic Pietarsaari: 0 pcs
Estimated delivery: 14.04 - 20.04
Multitronic Jyväskylä: 0 pcs
Estimated delivery: 14.04 - 20.04
Multitronic Lappeenranta: 0 pcs
Estimated delivery: 14.04 - 20.04
Multitronic Mariehamn: 0 pcs
Estimated delivery: 14.04 - 20.04
Fetch from the shop
Estimated delivery time: 14.04 - 20.04
Free
Posti: Parcel lockers and service points
Estimated delivery time: 14.04 - 19.04
3,90 €
Posti: Postal package
Estimated delivery time: 15.04 - 20.04
3,90 €
Matkahuolto: Parcel lockers and service points
Estimated delivery time: 15.04 - 20.04
3,90 €
Posti: Doorstep delivery
Estimated delivery time: 15.04 - 19.04
6,90 €
Matkahuolto: Business Parcel
Estimated delivery time: 14.04 - 20.04
12,90 €
Matkahuolto: Home Parcel
Estimated delivery time: 14.04 - 20.04
12,90 €
Posti: Home delivery
Estimated delivery time: 15.04 - 19.04
16,90 €
The above technical details are for reference only and may change without notice. We reserve the right to correct printing errors and use illustrations for guidance. Some text may be auto-generated or machine-translated, which could lead to inaccuracies.

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