A product image of Noctua NF-A4x20 PWM - 40mm x 20mm 5000RPM Cooling Fan
Noctua NF-A4x20 PWM - 40mm x 20mm 5000RPM Cooling Fan
$
34
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Featuring advanced aerodynamic design measures such as flow acceleration channels and Noctua's AAO frame, the NF-A4x20 is a highly optimized, premium-quality quiet fan.
Key Selling Points
  • Flow acceleration channels
  • AAO frame
Product Features
The NF-A4x20 impeller features suction side flow acceleration channels. By speeding up the airflow at the crucial outer blade regions, this measure reduces suction side flow separation and thus leads to better efficiency and lower vortex noise.
Noctua's AAO frames feature integrated anti-vibration pads as well as Noctua's proprietary stepped inlet design and inner surface microstructures, both of which further refine the fan's performance/noise efficiency.
Attributes
Main Specifications
Air Flow
9.4 cfm
Dimensions (WxDxH)
4 cm x 4 cm x 2 cm
Fan Bearing
SSO2 bearing
Fan Diameter
40 mm
Fan Height
20 mm
Features
Pulse-width modulation (PWM) support, Advanced Acoustic Optimisation (AAO), flow acceleration channels, Smooth Commutation Drive (SCD) technology, integrated anti-vibration pads, Stepped Inlet Design, Inner Surface Microstructures
Manufacturer Warranty
6-year warranty
Noise Level
14.9 dBA
Package Content
Screws, Low-Noise Adaptor (L.N.A.), OmniJoin Adaptor Set, extension cable (30 cm), 4-pin PWM Y-cable, NA-AV3 anti-vibration mounts
Power Connector
4-pin fan connector
Product Description
Noctua NF-A4x20 PWM - case fan
Product Type
Case fan
Rated Voltage
12 V
Rotation Speed
5000 rpm

Noctua NF-A4x20 PWM - 40mm x 20mm 5000RPM Cooling Fan

NF-A4x20-FLX
NF-A4x20 PWM
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VIC :
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Approx 1 business day
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PLE Code
PLE-652449
Manufacturer
Noctua
Boxed Weight
0.2
Model Number
NF-A4x20-PWM
Warranty
3 Year Manufacturer Standard Return to Base
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This document and other documents provided pursuant are for informational purposes only. The information type should not be interpreted to be a commitment on the part of the Supplier. The Supplier cannot guarantee the accuracy of information presented. The user assumes the entire risk as to the accuracy and the use of this document. This document may include screenshots from the manufacturer's website which may be used for multiple variations of this product. The model number supplied at the top of this page (explicitly specified as "Model Number") is the exact model item you will receive.
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