Home » Noctua NF-A4x20 PWM, case fan
Noctua NF-A4x20 PWM, case fan
$42.69 inc GSTNoctua NF-A4x20 PWM, Case fan, 40 mm
$42.69 inc GST
✓ In Stock - 2 available
✓ Free NZ Delivery
2 in stock
Ships from: Auckland
- Allow 1–2 days for delivery to the North Island
- Allow 2–3 days for delivery to the South Island
- Add 1–2 days if you are rural
- Collection can be arranged

SKU: AB06667
Categories: Accessories, Components & Accessories, Computer Coolers, Computer Fans, Desktop Accessories, Fans & Cooling Systems, Hardware
Description
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.
- Flow acceleration channels
- AAO frame
- Flow acceleration channels
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. - AAO frame
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.
Main Specifications
Product Description | Noctua NF-A4x20 PWM – case fan |
Product Type | Case fan |
Package Content | Screws, Low-Noise Adapter (L.N.A.), OmniJoin Adaptor Set, extension cable (30 cm), 4-pin PWM Y-cable, NA-AV3 anti-vibration mounts |
Fan Diameter | 40 mm |
Fan Height | 20 mm |
Fan Bearing | SSO2 bearing |
Rotation Speed | 5000 rpm |
Air Flow | 9.4 cfm |
Noise Level | 14.9 dBA |
Power Connector | 4-pin fan connector |
Rated Voltage | 12 V |
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 |
Dimensions (WxDxH) | 4 cm x 4 cm x 2 cm |
Extended Specifications
General
Product Type | Case fan |
|---|---|
Package Content | Screws, Low-Noise Adapter (L.N.A.), OmniJoin Adaptor Set, extension cable (30 cm), 4-pin PWM Y-cable, NA-AV3 anti-vibration mounts |
Width | 4 cm |
Depth | 4 cm |
Height | 2 cm |
Heatsink & Fan
Fan Diameter | 40 mm |
|---|---|
Fan Height | 20 mm |
Fan Bearing | SSO2 bearing |
Rotation Speed | 5000 rpm |
Air Flow | 9.4 cfm |
Noise Level | 14.9 dBA |
Power Connector | 4-pin fan connector |
Rated Voltage | 12 V |
Rated Current | 0.05 A |
Power Consumption | 0.6 W |
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 |
Miscellaneous
Mounting Kit | Included |
|---|---|
MTBF | 150,000 hour(s) |
Additional information
| Manufacturer |
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