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Manufacturer: Noctua. Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctuas 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 Noctuas trusted premium quality make it an elite choice for the highest demands.
Highlights:
* Frame technology: Advanced Acoustic Optimisation (AAO).
* RPM: 5000.
* CFM: 5.5.
* dBA: 14.9.
* Fan width: 40mm.
* Fan depth: 20mm.
* Bearing type: SSO2.
* Connector: 3Pin.
* Warranty: 6 years.
Do you want to know more? Check out Noctuas product introduction page & infosheet.
Highlights:
* Frame technology: Advanced Acoustic Optimisation (AAO).
* RPM: 5000.
* CFM: 5.5.
* dBA: 14.9.
* Fan width: 40mm.
* Fan depth: 20mm.
* Bearing type: SSO2.
* Connector: 3Pin.
* Warranty: 6 years.
Do you want to know more? Check out Noctuas product introduction page & infosheet.
| Performance | |
| Suitable location Locations in which the product can be used. | Computer case |
| Type Characteristics of the device. | Fan |
| Fan diameter The size of the fan, measured by the distance from one side of the fan to the other, via a straight line going through the middle of the fan. | 4 cm |
| Supported processor sockets The sockets (plugs) for processors that are supported (can be used) by the device. | Not supported |
| Compatible processor series A processor which is compatible with this device, belongs to a 'series' which is part of 'family' e.g Celeron D, Celeron G, Celeron M, or, in some cases, is the same as 'family'. | Not supported |
| Rotational speed (min) | 3700 RPM |
| Rotational speed (max) | 5000 RPM |
| Rotational speed with LNA (max) | 4400 RPM |
| Noise level (low speed) | 8.5 dB |
| Noise level (high speed) How loud the device is when used at high speed. | 14.9 dB |
| Noise level with LNA (max) | 12.2 dB |
| Airflow | 9.4 m³/h |
| Airflow with LNA (max) | 8.3 m³/h |
| Minimum air pressure | 1.23 mmH2O |
| Maximum air pressure | 2.26 mmH2O |
| Bearing type | Self-Stabilising Oil-pressure Bearing (SSO) |
| Design | |
| Product colour The colour e.g. red, blue, green, black, white. | Beige, Brown |
| Fan connector | 3-pin |
| Power | |
| Power supply The way in which the product is powered e.g. rechargeable battery, mains electricity connected via a plug and cable. | 0.6 W |
| Voltage | 12 V |
| Maximum current The greatest possible amount of current, which is a quantity representing the rate of flow of electric charge. | 0.05 A |
| Weight & dimensions | |
| Width The measurement or extent of something from side to side. | 40 mm |
| Depth The distance from the front to the back of something. | 40 mm |
| Height The measurement of the product from head to foot or from base to top. | 20 mm |
| Packaging content | |
| Cables included | Fan |
| Screws included |
 |
| Low-noise adaptor (LNA) |
|
| Other features | |
| Mounting hole pattern (W x D) | 32 x 32 mm |
| Mean time to failure (MTTF) | 150000 h |
| Logistics data | |
| Harmonized System (HS) code | 84733080 |
| SKU | 324142 |
| MPN | NF-A4x20-FLX |
| Brand | Noctua |
| Product Condition | Brand New/Unused |
| Fan Size (mm) | 40mm |
| Stock Availability | Available for Shipping |
| Warranty Period | 6 Years Warranty |
| Warranty Contact | https://noctua.at/ |