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Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers. 40x20mm size ideal for 1u applications or replacing fans in network and storage equipment routers, switches, NAS etc.

17. 9 dba, 12v, >150, 40x40x10 mm, 3-pin molex, 4500/3700 rpm, 000 h MTTF. Award-winning 40x10mm a-series fan 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. Includes anti-vibration mounts, Low-Noise Adaptor, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.

40x20mm size ideal for 1u servers or replacing fans in network and storage equipment routers, switches, NAS etc.

14. 9 dba, 5v, 40x40x20 mm, 4-pin pwm, max.40x20mm size ideal for nvidia jetson nano, switches, 1u applications or replacing fans in network and storage equipment routers, NAS etc.5


19. 6 dba, 5V, max. Award-winning 40x10mm a-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance.

14. 9 dba, 3-pin molex, >150, 12v, 000 h MTTF. Premium quiet fan, 40x40x20 mm, 5000/4400/3700 rpm, max. Or other devices such as DVRs. Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.

Ideal replacement for noisy or broken 12V 6cm fans in DVRs, network and storage devices, NAS, 3D printers, etc.

Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.
1. Noctua
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Noctua NF-A4x20 FLX, 3-Pin 40x20mm, Premium Quiet Fan, Brown
#adNoctua #ad - Award-winning a-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance.Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers. 40x20mm size ideal for 1u applications or replacing fans in network and storage equipment routers, switches, NAS etc.
More information #ad
Premium quiet fan, 12v, >150, 5000/4400/370 rpm, 3-pin molex, max.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. 14. 9 dba, 40x40x20 mm, 000 h MTTF. Or other devices such as DVRs.Brand | Noctua #ad |
Manufacturer | Noctua #ad |
Height | 0.79 Inches |
Length | 1.57 Inches |
Weight | 5.52 Kilograms |
Width | 1.57 Inches |
Part Number | NF-A4x20 FLX |
Model | NF-A4x20 FLX |
Warranty | 6 year manufacturer’s warranty |
More information #ad
2. Noctua
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3-Pin 40x10mm, Noctua NF-A4x10 FLX, Brown, Premium Quiet Fan
#adNoctua #ad - Includes anti-vibration mounts, Low-Noise Adaptor, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.17. 9 dba, 12v, >150, 40x40x10 mm, 3-pin molex, 4500/3700 rpm, 000 h MTTF. Award-winning 40x10mm a-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance.
More information #ad
Ideal replacement for noisy or broken 12v 4cm fans in 3D printers, other network and storage devices, NAS, switches, DVRs, routers, 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. Premium quiet fan, max.Brand | Noctua #ad |
Manufacturer | Noctua #ad |
Height | 0.39 Inches |
Length | 1.57 Inches |
Weight | 0.35 Pounds |
Width | 1.57 Inches |
Part Number | NF-A4x10 |
Model | NF-A4x10 |
Warranty | 6 year manufacturer’s warranty |
More information #ad
3. Noctua
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Noctua NF-A4x10 PWM, Brown, Premium Quiet Fan, 4-Pin 40x10mm
#adNoctua #ad - 5000 rpm, >150, 000 h mttF. With supplied Low-Noise Adaptor. 19. 6 dba, max. 4-pin pwm version for automatic speed control via 4-pin PWM fan headers, broad 1000-5000rpm speed range 3700rpm max.40x10mm size ideal for 1u servers or replacing fans in network and storage equipment routers, switches, NAS etc. Includes anti-vibration mounts, Low-Noise Adaptor, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.
More information #ad
Award-winning a-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance. Or other devices such as DVRs. Premium quiet fan, 12v, 40x40x10 mm, 4-pin pwm, max.Brand | Noctua #ad |
Manufacturer | Noctua #ad |
Height | 0.39 Inches |
Length | 1.57 Inches |
Weight | 0.37 Pounds |
Width | 1.57 Inches |
Part Number | NF-A4x10 PWM |
Model | NF-A4x10 PWM |
Warranty | 6 year manufacturer’s warranty |
More information #ad
4. Noctua
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4-Pin 40x20mm, Noctua NF-A4x20 PWM, Brown, Premium Quiet Fan
#adNoctua #ad - Premium quiet fan, 40x40x20 mm, max. 14. 9 dba, 12v, >150, 4-pin pwM, max. Or other devices such as DVRs. Includes anti-vibration mounts, extension cable, fan screws, y-cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.40x20mm size ideal for 1u servers or replacing fans in network and storage equipment routers, switches, NAS etc.
More information #ad
Award-winning a-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance. 5000 rpm, 000 h mttF. 4-pin pwm version for automatic speed control via 4-pin PWM fan headers, 5000rpm maximum speed 4400rpm with supplied Low-Noise Adaptor.Brand | Noctua #ad |
Manufacturer | Noctua #ad |
Height | 0.79 Inches |
Length | 1.57 Inches |
Weight | 2.2 Pounds |
Width | 1.57 Inches |
Part Number | NF-A4x20 PWM |
Model | NF-A4x20 PWM |
Warranty | 6 year manufacturer’s warranty |
More information #ad
5. Noctua
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Premium Quiet Fan, 4-Pin, 5V Version 40x20mm, Brown, Noctua NF-A4x20 5V PWM
#adNoctua #ad - Premium quiet fan, >150, max. Award-winning a-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance.14. 9 dba, 5v, 40x40x20 mm, 4-pin pwm, max.40x20mm size ideal for nvidia jetson nano, switches, 1u applications or replacing fans in network and storage equipment routers, NAS etc.5
More information #ad
5000 rpm, 000 h mttF. 5v 4-pin pwm version 5000rpm maximum speed for 5V applications with PWM control. Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers. Or other devices such as DVRs.Brand | Noctua #ad |
Manufacturer | Noctua #ad |
Height | 0.79 Inches |
Length | 1.57 Inches |
Weight | 0.4 Pounds |
Width | 1.57 Inches |
Part Number | NF-A4x20 5V PWM |
Model | NF-A4x20 5V PWM |
Warranty | 6 year manufacturer’s warranty |
More information #ad
6. Noctua
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Brown, Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version 40x10mm
#adNoctua #ad - Premium quiet fan, >150, 17. 9 dba, 4500 rpm, 3-pin molex, 5v, 40x40x10 mm, 000 h MTTF. Ideal replacement for noisy or broken 5v 4cm fans in 3D printers, NAS, switches, other network and storage devices, routers, DVRs, etc. Award-winning 40x10mm a-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance.More information #ad
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.Brand | Noctua #ad |
Manufacturer | Noctua #ad |
Height | 0.39 Inches |
Length | 1.57 Inches |
Weight | 0.22 Pounds |
Width | 1.57 Inches |
Part Number | NF-A4x10 5V |
Model | NF-A4x10 5V |
Warranty | 6 year manufacturer’s warranty |
More information #ad
7. Noctua
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Noctua NF-A4x10 5V PWM, Brown, Premium Quiet Fan with USB Power Adaptor Cable, 4-Pin, 5V Version 40x10mm
#adNoctua #ad - 5v 4-pin pwm version 5000rpm maximum speed with polarity protection for 5V applications with PWM speed control. Usb power adaptor cable allows the fan to run on devices with USB host ports, power banks or USB power supplies such as those used by smartphones.19. 6 dba, 5V, max. Award-winning 40x10mm a-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance.
More information #ad
Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers. 5000 rpm, 000 h mttF. Premium quiet fan, 40x40x10 mm, >150, 4-pin pwm, max.Brand | Noctua #ad |
Manufacturer | Noctua #ad |
Height | 0.39 Inches |
Length | 1.57 Inches |
Weight | 0.4 Pounds |
Width | 1.57 Inches |
Part Number | NF-A4X10 5V PWM |
Model | NF-A4x10 5V PWM |
Warranty | 6 year manufacturer’s warranty |
More information #ad
8. Noctua
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3-Pin 40x20mm, Premium Quiet Fan, Noctua NF-A4x20 FLX, Brown
#adNoctua #ad - Award-winning a-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance.14. 9 dba, 3-pin molex, >150, 12v, 000 h MTTF. Premium quiet fan, 40x40x20 mm, 5000/4400/3700 rpm, max. Or other devices such as DVRs. Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.
More information #ad
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. 40x20mm size ideal for 1u applications or replacing fans in network and storage equipment routers, switches, NAS etc.Brand | Noctua #ad |
Manufacturer | Noctua #ad |
Height | 0.79 Inches |
Length | 1.57 Inches |
Weight | 0.11 Pounds |
Width | 1.57 Inches |
Part Number | NF-A4x20 FLX |
Model | NF-A4x20 FLX |
More information #ad
9. Noctua
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Premium Quiet Fan, Brown, Noctua NF-A6x25 FLX, 3-Pin 60mm
#adNoctua #ad - Premium quiet fan, 3000/2400/1600 rpm, 60x60x25 mm, >150, 12v, 3-pin molex, max. Includes anti-vibration mounts, low-noise & Ultra-Low-Noise Adaptors, fan screws, extension cable and 3:4-pin adaptor for powering the fan directly from the power supply.Ideal replacement for noisy or broken 12V 6cm fans in DVRs, network and storage devices, NAS, 3D printers, etc.
More information #ad
Award-winning 60x25mm a-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance. 19. 3 dba, 000 h mtTF. 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.Brand | Noctua #ad |
Manufacturer | Noctua #ad |
Height | 6 Inches |
Length | 8.5 Inches |
Weight | 0.44 Pounds |
Width | 1.5 Inches |
Part Number | NF-A6x25 |
Model | NF-A6x25 |
Warranty | 6 year manufacturer’s warranty |
More information #ad
10. Noctua
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Premium Quiet Fan, Brown, 5V Version 40x20mm, Noctua NF-A4x20 5V, 3-Pin
#adNoctua #ad - 5v 3-pin version 5000rpm for 5V-based industrial applications or replacing 5V fans in various devices. 40x20mm size ideal for 1u applications or replacing fans in network and storage equipment routers, switches, NAS etc.Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.
More information #ad
Premium quiet fan, 5000 rpm, 14. 9 dba, >150, 40x40x20 mm, 5v, 3-pin molex, 000 h MTTF. Award-winning a-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance. Or other devices such as DVRs.Brand | Noctua #ad |
Manufacturer | Noctua #ad |
Height | 1.57 Inches |
Length | 1.57 Inches |
Width | 0.79 Inches |
Part Number | NF-A4x20 5V |
Model | NF-A4x20 5V |
Warranty | 6 year manufacturer’s warranty |
More information #ad