Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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Alessandro
> 3 daynoctua non si puo pretendere di meglio in quanto a silenziosità non lasciatevi fuorviare dai video su youtube
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Ismael
> 3 dayLos compre par quitar unos de un router que sonaban cuando se ponian a tope , con estos se noto el cambio , para volver a comprar mas seguro
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Anatoly G
> 3 dayPractically noiseless and very efficient. I installed it on heat sink of my LSI MegaRAID SAS 9260-8i RAID controller. With this fan the temperature is always about 40-45C, while without it the temperature is 70-90C. I hear almost nothing when it works at its maximum speed 4500 rpm (without low noise adapter). Also it is very well constructed. I really like this fan.
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chaw704352
> 3 dayHad a noisy ethernet switch that was making my home office unbearably noisy. Swapped the two fans out with two of these. Install was super easy. Included adapters are awesome and one included cable is a low noise filter that lowers fan RPMs a bit. And build quality is excellent.
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Mike
> 3 dayI was very impressed with the packaging, quality and all the multiple adapters that came with this unit for the price...however, with all these added components (and I love the low noise adapter idea/adapter) the black 3 pin connector it comes with is too large for the boards female white connection in my DS411+. So...I had to clip the existing white 3 pin connector from my old fan and the new black 3 pin one from the new fan and join them manually to make this work. Not a deal-breaker and worked nicely, but took more time, unreturnable damage and work...hence the 4 star review. I wanted to also note that I did not receive any CPU fan alerts from my server as someone else noted...he said he just disabled the alert...which is not a good idea lol. Otherwise...this unit is stellar! I added a photo of the 3 pin and two pin it comes with...the 3 pin in my server is about the size of their 2 pin for reference
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Joe B.
> 3 dayI bought this to use on the hot end of my 3D printer. This thing is silent! It does not move as much air as the siren it came with but it moves enough to keep it adequately cool. Seriously, you can only barely hear this fan. So now the loudest thing on my printer are the steppers.
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Bart
Greater than one weekThe Reolink NVR stock fans are loud…uncomfortably loud.
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Mango
> 3 dayWell packaged and complete with installation kit
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Jay D
> 3 daySo quiet and powerful
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Miss Marilyne Parker II
> 3 daySuper quiet and easy to install.
Featuring advanced aerodynamic design measures such as Flow Acceleration Channels and Noctua’s AAO frame, the NF-A4x10 FLX is a highly optimised, premium quality quiet fan in 40x10mm 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 a Low-Noise Adaptor and OmniJoin Adaptor Set, the NF-A4x10 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.
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Flow Acceleration ChannelsThe NF-A4x10 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. |
SSO2 BearingThe NF-A4x10 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. |
Integrated Anti-Vibration PadsIntegrated Anti-Vibration Pads made from extra-soft silicone minimise the transmission of minute vibrations while maintaining full compatibility with all standard mounting systems and fan clips used on heatsinks. |
Inner Surface MicrostructuresWith the tips of the fan blades ploughing through the boundary layer created by the Inner Surface Microstructures, flow separation from the suction side of the blades is significantly suppressed, which results in reduced blade passing noise and improved airflow and pressure efficiency. |
Reduced motor hub size
Thanks to its streamlined, compact motor design, the NF-A4x10"s motor hub is smaller than with conventional 4cm fans. This allows for more blade surface area and thus contributes to the NF-A4x10"s superior airflow and pressure performance.
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| NF-A4x10 PWM | NF-A4x10 FLX | NF-A4x10 5V PWM | NF-A4x10 5V | |
| Connector | 4-pin PWM | 3-pin | 4-pin PWM | 3-pin |
| Voltage | 12 V | 12 V | 5V | 5V |
| RPM | Max: 5000 / Min: 1000 | 4500 | Max: 5000 / Min: 1000 | 4500 |
| RPM with L.N.A. | 3700 | 3700 | - | - |
| Acoustical Noise | 19,6 dB(A) | 17,9 dB(A) | 19,6 dB(A) | 17,9 dB(A) |
| Acoustical Noise with L.N.A. | 12,9 dB(A) | 12,9 dB(A) | - | - |
| Size | 40x40x10 mm | 40x40x10 mm | 40x40x10 mm | 40x40x10 mm |
| Colour | Brown & Beige | Brown & Beige | Brown & Beige | Brown & Beige |
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