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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.
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 cfmDimensions (WxDxH)
4 cm x 4 cm x 2 cmFan Bearing
SSO2 bearingFan Diameter
40 mmFan Height
20 mmFeatures
FlexibilityManufacturer Warranty
6-year warrantyNoise Level
14.9 dBAPackage Content
Screws, Ultra-Low-Noise Adapter (U.L.N.A.), Low-Noise Adapter (L.N.A.), OmniJoin Adaptor Set, extension cable (30 cm), NA-AV3 anti-vibration mountsPower Connector
3-pin plugProduct Description
Noctua NF-A4x20 FLX - case fanProduct Type
Case fanRated Voltage
12 VRotation Speed
5000 rpmNoctua NF-A4x20 FLX - 40mm x 20mm 5000RPM Cooling Fan
WA
- BentleyIn stock
- CockburnIn stock
- Osborne ParkIn stock
- WangaraIn stock
VIC
- DandenongETA 28/10/2026
PLE Code
PLE-654285Manufacturer
NoctuaBoxed Weight
0.17Model Number
NF-A4x20-FLXWarranty
3 Year PLE Standard Return to Base
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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