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20 Best Noctua Nf A4X10 Flx 3 Pin Premium Cooling Fan of 2023 – Romance University
After hours researching and comparing all models on the market, Romance University finds out the Best Noctua Nf A4X10 Flx 3 Pin Premium Cooling Fan of 2023. Check our ranking below.
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- Premium quiet fan, 40x40x10 mm, 12V, 3-pin Molex, 4500/3700 RPM, max. 17.9 dB(A), >150,000 h MTTF
- Award-winning 40x10mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
- Ideal replacement for noisy or broken 12V 4cm fans in 3D printers, DVRs, NAS, switches, routers, other network and storage devices, etc.
- 3-pin 12V FLX version can be run 4500 or 3700 rpm using the supplied Low-Noise Adaptors to fine-tune the fan for maximum airflow or near-silent operation
- Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
- Premium quiet fan, 40x40x10 mm, 5V, 3-pin Molex, 4500 RPM, 17.9 dB(A), >150,000 h MTTF
- Award-winning 40x10mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
- Ideal replacement for noisy or broken 5V 4cm fans in 3D printers, DVRs, NAS, switches, routers, other network and storage devices, etc.
- 3-pin 5V version with 4500rpm, not to be used at 12V (such as in PC environments)
- Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
- 24V version of Noctua’s award-winning quiet 40x10mm fan, ideal upgrade/replacement 4cm fan for 3D printing (hot end or part cooling) and other 24V applications
- 5000rpm max., 4-pin PWM connector for automatic speed control via 4-pin PWM fan headers (maximum airflow performance when required, near-silent at lower speeds)
- NA-AC9 adaptor cable for popular 3D printers with JST XHP-2 2.5mm headers (e.g. Creality Ender 3 & CR-10, Anycubic Mega), ideal to improve printing performance and quietness of operation
- Includes anti-vibration mounts, fan screws, extension cable, Low-Noise Adaptor (LNA), NA-AC9 adaptor and OmniJoin adaptor set for connecting the fan to proprietary fan headers
- Trusted Noctua quality with premium-grade SSO2 bearing (MTTF > 150,000 h), safety certifications from UL and TÜV, protected against reverse polarity, over voltage and over current (short-circuits)
- Premium quiet fan, 40x40x10 mm, 12V, 4-pin PWM, max. 5000 RPM, max. 19.6 dB(A), >150,000 h MTTF
- Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
- 40x10mm size ideal for 1U servers or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs
- 4-pin PWM version for automatic speed control via 4-pin PWM fan headers, broad 1000-5000rpm speed range (3700rpm max. with supplied Low-Noise Adaptor)
- Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
- Premium quiet fan, 40x40x20 mm, 12V, 3-pin Molex, 5000/4400/370 RPM, max. 14.9 dB(A), >150,000 h MTTF
- Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
- 40x20mm size ideal for 1U applications or replacing fans in network and storage equipment (routers, switches, NAS etc.) or other devices such as DVRs
- 3-pin FLX version provides 5000/4400/3700rpm speed settings via Low-Noise Adaptors to fine-tune the fan for maximum airflow or near-silent operation
- Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Last update on 2025-07-21 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: What makes the Noctua nf-a4x10 FLX so special?
A: 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.
Q: What is an nf-a4x20 fan?
A: This fan in particular (the NF-A4x20 FLX), is a higher pressure fan, designed to force air into an enclosure that’s hard to move air in. This fits very well with something like a 1U rackmount chassis, where there’s typically very little space to add ventilation.
Q: Does the nf-a4x10 come with an adaptor?
A: The NF-A4x10 comes with an adaptor from 3-pin Molex to the 2-pin connectors used on many graphics cards or network and storage devices. An integrated diode provides polarity protection on 2-pin connections. Many devices featuring 40mm fans use proprietary fan headers, so the NF-A4x10 comes with Noctua’s OmniJoin™ adaptor set.
Q: What is the difference between the Noctua 40mm fans?
A: There seems to be some amount of confusion over the 40mm fans, partly because of the number of offerings from Noctua in the 40mm range, and partly because of the differences in the types of 40mm fans. This fan in particular (the NF-A4x20 FLX), is a higher pressure fan, designed to force air into an enclosure that’s hard to move air in.