Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
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Andrew
> 3 dayThe fan is of VERY good quality. I was not expecting it to be so professionally packaged and include so many optional parts, such as multiple cables with different connectors. I didnt need any of this, ended up cutting the wire and soldering it, BUT - it is still nice that the manufacturer thought about it and tried to cover multiple cases.
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Debra Ricker
> 3 dayWon’t start on its own. This seems to be an EXTREMELY common problem with this brand since 2009. Ten years on and its still an issue???
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langstroth2
Greater than one weekWasnt sure about this - but decided to buy. Glad I did. Very impressed, so much so Ive ordered another one to help cool raspberrypi. Super quiet compared with the old fan on my 3-D printer. Package came with a good selection of cables, even a snap type set which was helpful as my 3-d printer had a non-standard connector.
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patb_az
> 3 dayFor this low price I expected something as cheap as the junk fan I’m replacing. This fan is high quality and comes with a complete set of adapter cables and installation hardware including silicon anti vibration stand-offs.
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Kenneth Cohen
> 3 dayFan works great, very quiet. I used it as a replacement for a cooling fan in a Razberi MPRO8 which had a very loud stock fan. It fit with a small modification (popped the rubber pieces off the inside)
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Bender
> 3 daySilent and moves a good amount of air
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SteveO
Greater than one weekI needed a replacement fan for a dead one that was cooling the chipset on a motherboard I have. Just substituted this in its place and it works great. Its well worth the money.
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Buyer51
> 3 dayVery Quiet. Much more quiet than the fan it replaced. Better airflow.
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Jason Cheers
22-11-2024These are very nice and quiet, I bought them to install on a ram cooler I designed and printed on my 3D printer.
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Esteban Zieme
> 3 dayThis fan is unbelievably quiet. Dropped right in to my wanhao duplicator i3 for both the extruder and the control box and Im very glad I did. Need to buy one more for the print cooling fan. I literally cannot hear the fans running, all I hear now are the steppers.
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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