Noctua NF-A4x20 FLX, Premium Quiet Fan, 3-Pin (40x20mm, Brown)
Product details
| Management number | 209073479 | Release Date | 2026/03/29 | List Price | $6.38 | Model Number | 209073479 | ||
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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 optimised, premium-quality quiet fan in size 40x20mm. The FLX version provides 5000/4400/3700rpm speed settings via the supplied Low-Noise Adaptors and includes the OmniJoin™ Adaptor Set for easy connection to proprietary fan headers. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted premium quality make it an elite choice for the highest demands.
- Premium quiet fan, 40x40x20 mm, 12V, 3-pin Molex, 5000/4400/3700 RPM, max. 14.9 dB(A), >150,000 h MTTF
- Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
- 40x20mm size ideal for 1U applications or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs
- 3-pin FLX version provides 5000/4400/3700rpm speed settings via Low-Noise Adaptors to fine-tune the fan for maximum airflow or near-silent operation
- Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
| Voltage | 12 Volts |
|---|---|
| Brand Name | Noctua |
| Unit Count | 1.0 Count |
| Item Weight | 50 Grams |
| Noise Level | 14.9 Decibels |
| Manufacturer | Noctua |
| Material Type | Fibre-glass reinforced PBT |
| Cooling Method | Air |
| Compatible Devices | Desktop |
| Included Components | Please see product Description for what is included |
| Power Connector Type | 3-Pin |
| Maximum Rotational Speed | 5000 RPM |
| Item Dimensions L x W x H | 0.79"L x 1.57"W x 1.57"H |
| Global Trade Identification Number | 09010018100112 |
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