| Brand | Noctua |
|---|---|
| Item model number | NF-A6x25 |
| Product Dimensions | 21.59 x 3.81 x 15.24 cm; 190 g |
| Item dimensions L x W x H | 21.6 x 3.8 x 15.2 Centimetres |
| Colour | Brown |
| Voltage | 12 Volts |
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Noctua NF-A6x25 FLX, Premium Quiet Fan, 3-Pin (60mm, Brown)
Purchase options and add-ons
| Product Dimensions | 25L x 60W x 60H millimeters |
| Brand | Noctua |
| Power connector type | 3-Pin |
| Voltage | 12 Volts |
| Cooling method | Air |
| Compatible devices | Desktop |
| Noise level | 19.3 Decibels |
| Material | Fibre-glass reinforced PBT |
| Maximum rotational speed | 3000 RPM |
| UPC | 731215274114 172302657913 806291857183 163121136796 808111662885 102930672910 782386476630 842431014061 809185325683 132017920733 168141421693 804066782012 809385174876 See more |
About this item
- Premium quiet fan, 60x60x25 mm, 12V, 3-pin Molex, 3000/2400/1600 RPM, max. 19.3 dB(A), >150,000 h MTTF
- Award-winning 60x25mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
- Ideal replacement for noisy or broken 12V 6cm fans in DVRs, NAS, network and storage devices, 3D printers, etc.
- 3-pin FLX version provides 3000/2400/1600rpm speed settings via Low-Noise Adaptors to fine-tune the fan for maximum airflow or near-silent operation
- Includes anti-vibration mounts, fan screws, Low-Noise & Ultra-Low-Noise Adaptors, extension cable and 3:4-pin adaptor for powering the fan directly from the power supply
Frequently bought together

Product information
Technical Details
Summary
Additional Information
| ASIN | B009NQMESS |
|---|---|
| Customer Reviews |
4.8 out of 5 stars |
| 鶹 Rank |
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| Date First Available | Jan. 10 2013 |
| Manufacturer | Noctua |
| Place of Business | RICHARDSON, TX, 75081 US |
Warranty & Support
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Top Brand: Noctua
From the brand
Noctua Cooling Solutions
Noctua's premium cooling components are internationally renowned for their superb quietness, exceptional performance and quality.
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Maximising Colour Choices
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Reduced to the Essentials
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For Heavy-duty Applications
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Premium Thermal Paste
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Official Noctua Merch
Product Description
Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua’s AAO frame, the NF-A6x25 FLX is a highly optimised, premium quality quiet fan in 60x25mm size. Smooth Commutation Drivetechnology and Noctua’s reference class SSO2 bearings ensure superb running smoothness and excellent long-term stability. Topped off with modular cabling and Low-Noise Adaptors, the NF-A6x25 is a premium choice for the highest demands.
AAO frame
Noctua's AAO (Advanced Acoustic Optimisation) 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.
Reduced motor hub sizes
Thanks to its streamlined, compact motor design, the NF-A6x25's motor hub is smaller than with conventional 6cm fans. This allows for more blade surface area and thus contributes to the NF-A6x25's superior airflow and pressure performance.
SSO2 Bearing
The NF-A6x25 features the further optimised second generation of Noctua's renowned, time-tested SSO bearing. With SSO2, the rear magnet is placed closer to the axis to provide even better stabilisation, precision and durability.
Flow Acceleration Channels
The NF-A6x25 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.
Scope of Delivery
- Low-Noise Adapter (L.N.A.)
- Ultra-Low-Noise Adapter (U.L.N.A.)
- 3:4-Pin Adaptor
- 30cm Extension Cable
- 4 Vibration-Compensators
- 4 Fan Screws
Smooth Commutation Drive 2
The latest version of Noctua's advanced Smooth Commutation Drive system ensures superb running smoothness by eliminating torque variations and switching noises. This makes the NF-A6x25 remarkably quiet even at very close distances.
NF-A6x25 PWM
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NF-A6x25 FLX
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NF-A6x25 5V PWM
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NF-A6x25 5V
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| Customer Reviews |
4.7 out of 5 stars 2,546
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4.8 out of 5 stars 1,338
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4.8 out of 5 stars 93
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4.8 out of 5 stars 129
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| Connector | 4-pin PWM | 3-pin | 4-pin PWM | 3-pin |
| Voltage | 12V | 12V | 5V | 5V |
| RPM: | Max: 3000 / Min: 550 | 3000 | Max: 3000 / Min: 650 | 3000 |
| RPM with L.N.A. | 2300 | 2400 | - no data | - no data |
| RPM with U.L.N.A. | - no data | 1600 | - no data | - no data |
| Acoustical Noise | 19,3 dB(A) | 19,3 dB(A) | 19,3 dB(A) | 19,3 dB(A) |
| Acoustical Noise with L.N.A. | 13,7 dB(A | 14,5 dB(A) | - no data | - no data |
| Acoustical Noise with U.L.N.A. | - no data | 8,2 dB(A) | - no data | - no data |
| Size | 60x60x25 mm | 60x60x25 mm | 60x60x25 mm | 60x60x25 mm |


