Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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Dan Respess
> 3 dayThis fan is amazing. Ive always heard Noctua is the best and so forth but this was my first forray into thier fans. I was not disappointed, not only was the fan incredibly silent, it cools exceptionally for its size. Additionally, the fan comes with 4 OmniJoin connectors that allow you to easily splice a pair of wires with nothing but a pair of pliers. I was able to replace the broken fan on my Anet A8 in probably less than 5 minutes, simply snipping the old wire and using the connectors to attach the breakaway cable included in the packaging. Oh, and that brings me to... Well.. the packaging. Never before have I seen such care and thought go into presenting a small piece of plastic. The fan ships with more accessories than one could possibly want and all in a box thats at least 8 times its size. Absolutely stellar job, Noctua. I will never buy another brand again.
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G
> 3 dayOh wow!!! This fan is awesome! Very very impressed with packaging, build quality, instructions, basically everything is premium. I bought another fan first for my Lorex DVR and it was very loud. This one is whisper quiet. I will never buy another type of fan. Amazing! Can’t express how much better this is than the original lorex fan or other brands.
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Scott T
> 3 dayWorked for what we needed it for.
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Grey
Greater than one weekHands down, these are most reliable fan available.
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Magic-Thor
> 3 day-= Anycubic i3 Mega =-
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Mark Garety
> 3 dayAmazing fan. This thing is super quiet. I bought it to replace a 40mm fan in my 3D printer, and I couldnt even tell this thing was spinning when I powered it up the first time. I thought something was wrong, but it was working just fine. Thats how quiet this is. With my old fan, the fan noise was the primary sound you heard when the 3D printer was running. This fan makes my stepper motors seem extra loud, but in reality Im just taking the constant fan drone out of the picture.
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Andrew
> 3 dayHoly moly, was not expecting it to be so quiet. I can’t hear the thing. Used this on my 3d printer for cooling the hotend, the old 30mm fan was way to loud. The one drawback of this is to my highly calibrated hand (sarcasm) it doesn’t feel like it pushes the same amount of air through it.
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Horst Werner Schneider
> 3 dayIch habe diesen Lüfter als Austausch für die zwei 40mm Lüfter im Ubiquity Unifi Security Gateway Pro erworben.
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Gionata
> 3 dayE una ventola davvero ben costruita, una volta accesa nemmeno si riesce a sentirla.
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Pablo Urbini
> 3 dayMigliorventole sul mercato. Silenziosissime e di eccelsa qualità. Straconsigliato
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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