Top 8 Best 40mm Fan

of July 2024
1
Best ChoiceBest Choice
Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
Noctua
Noctua

10
Exceptional
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2
Best ValueBest Value
Noctua NF-A4x20 FLX, Premium Quiet Fan, 3-Pin (40x20mm, Brown)
Noctua
Noctua

9.9
Exceptional
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3
MakerFocus 4pcs 3D Printer Fan 12V, 40mm 12 Volt Fan 0.08A DC Mini Quiet Cooling Fan 40X40X10mm with 28cm Cable for 3D Printer, DVR and Other Small Appliances Series Repair Replacement
MakerFocus
MakerFocus

9.8
Exceptional
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4
Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)
Noctua
Noctua

9.7
Exceptional
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5
GDSTIME 40mm Fan, 12V 3Pin Fan, 40mm x 40mm x 20mm 4020 Brushless CPU Cooler (2-Pack)
GDSTIME
GDSTIME

9.6
Exceptional
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6
WINSINN 40mm Fan 12V, 3D Printer Micro 12 Volt Fans 4010 Hydraulic Bearing, Brushless Cooling 40mmx10mm 2PIN (Pack of 5Pcs)
WINSINN
WINSINN

9.5
Excellent
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7
ANVISION 2-Pack 40mm x 10mm DC 12V Brushless Cooling Fan, Dual Ball Bearing, YDM4010B12
ANVISION
ANVISION

9.4
Excellent
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8
WINSINN 40mm Fan 24V, Ender 3 Fan Upgrade 24 Volt Fans 4010 Dual Ball Bearing, Works with Ender 3 Pro 3X CR-10S (Pack of 5Pcs)
WINSINN
WINSINN

9.3
Excellent
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9
Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)
Noctua
Noctua

9.2
Excellent
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10
4 Pack USB Brushless Cooling Fan 40mm Fan High Performance DC 5V Cooling Fan Speed 4200 RPM Fan for Small Appliances Series Replacement
UMLIFE
UMLIFE

9.1
Excellent
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About 40mm Fan

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Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)

Premium quiet fan, 40x40x10 mm, 12V, 3-pin Molex, 45003700 RPM, max. 17.9 dBA, 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.

Noctua NF-A4x20 FLX, Premium Quiet Fan, 3-Pin (40x20mm, Brown)

Premium quiet fan, 40x40x20 mm, 12V, 3-pin Molex, 50004400370 RPM, max. 14.9 dBA, 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 500044003700rpm 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.

MakerFocus 4pcs 3D Printer Fan 12V, 40mm 12 Volt Fan 0.08A DC Mini Quiet Cooling Fan 40X40X10mm with 28cm Cable for 3D Printer, DVR and Other Small Appliances Series Repair Replacement

Size 40 mm x 40 mm x 10 mm Working Voltage DC 12V.. Temperature of usage environment -10 to 70.. Bearing is high precision, long life and low noise.. Oil bearing 30000 hours Certification CE,UL,CUL.. Working Current 0.08A Air Flow 5.7510 CFM Power 0.96w Cable length 280mm..

Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)

Premium quiet fan, 40x40x20 mm, 12V, 4-pin PWM, max. 5000 RPM, max. 14.9 dBA, 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 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, 5000rpm maximum speed 4400rpm with supplied Low-Noise Adaptor. Includes anti-vibration mounts, fan screws, extension cable, y-cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.

GDSTIME 40mm Fan, 12V 3Pin Fan, 40mm x 40mm x 20mm 4020 Brushless CPU Cooler (2-Pack)

Ideal for 1U applications or as a great replacment fans in network and storage equipment rack case, switches, security gateway, NAS etc. or other devices such as DVRs, car amplifier, ham radio, control box, NVR, 3d printer and more. Quiet dc brushless cooling fan, 40x40x20 mm, 12V, 3 pin Operating Voltage Range5.5V to 13.8V. overtake to 13.8V, it can also work. but not safe, and seriously affects lifespan of fan.. This 3-pin FG version fan can provides speed test via 3 Pin connector Lead wire 25 cm AWM 1007 26AWG Red Wire Black Wire- Yellow Wire FG Function. Hydraulic bearing has low operating noise and a very long service life, which can reach 40,000 hours Operating Temperature 14 to 175 . 40x40x20 mm 1.57x1.57x0.79 in. Rated Voltage 12V Current 0.08A Power 1.2W Airflow 7.85 CFM Static Pressure 0.16 In H2O Noise 21.35 dBA Speed 60000 RPM.

WINSINN 40mm Fan 12V, 3D Printer Micro 12 Volt Fans 4010 Hydraulic Bearing, Brushless Cooling 40mmx10mm 2PIN (Pack of 5Pcs)

WINSINN 40mm fan 12V which micro size and lightweight design, suitable for 3D printer extruder hotend nozzle or any DIY cooling and narrow place.. High quality Hydraulic Bearings, 2-years Warranty. Balance price and performance, suitable for daily use, life 35,000 Hours.. Rated Voltage DC 12V, Current 0.1A, Power 1.2W, Speed 6500PRM, Air Pressure 3.92mmHO, Airflow 7.1CFM, Noise 28.2dBA. Connector Cable length XH2.54 11.8in300mm, Size 40mm x 40mm x 10mm. Widely Used Suitable for ventilation of Small PC Case Router Raspberry pie TV box VR glasses and any small electronic equipment cooling ventilation..

ANVISION 2-Pack 40mm x 10mm DC 12V Brushless Cooling Fan, Dual Ball Bearing, YDM4010B12

Rated Voltage 12V DC, Current 0.1A. Airflow 7.56CFM, Speed 6200PRM, Noise 27.50dBA. Bearing Type Dual Ball Bearing. Lead Wire 2-pin-2.5mm connector, length 150mm 5.90inch. Warranty two years, Package 2x DC brushless fans.

WINSINN 40mm Fan 24V, Ender 3 Fan Upgrade 24 Volt Fans 4010 Dual Ball Bearing, Works with Ender 3 Pro 3X CR-10S (Pack of 5Pcs)

WINSINN 40mm fan 24v which perfect for ender 3 fan upgrade. Fit for Ender-3, Ender-3 Pro, Ender-3S, Ender-3 v2, Ender-3 Max, Ender-5, Ender-5s, Ender-5 Pro, Ender-5 Plus Installation Position for Motherboard and Ender-3, Ender-3 Pro, Ender-3S, Ender-3 v2, Ender-3 Max, Ender-5, Ender-5s, Ender-5 Pro, Ender-5 Plus, Ender-6, CR-10 V2., CR-10 v3., CR-X, CR-X Pro, CR-10 Max, CR-10S Pro V2, CR-2020, CR-3040Pro Installation Position for Nozzle. High quality Dual Ball Bearings, 5-years Warranty. balance between high air volume and low noise, Suitable for 24 hours day long-term work, long life 50,000 Hours.. Rated Voltage DC 24V, Current 0.08A, Power 1.92W, Speed 5700PRM, Air Pressure 3.06mmHO, Airflow 6.4CFM, Noise 25.3dBA. Connector Cable length XH2.54 11.8in300mm, Size 40mm x 40mm x 10mm. Widely Used Suitable for ventilation of Small PC Case Router Raspberry pie TV box VR glasses and any small electronic equipment cooling ventilation..

Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)

Premium quiet fan, 40x40x10 mm, 12V, 4-pin PWM, max. 5000 RPM, max. 19.6 dBA, 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.

4 Pack USB Brushless Cooling Fan 40mm Fan High Performance DC 5V Cooling Fan Speed 4200 RPM Fan for Small Appliances Series Replacement

Fan size 40x40x10mmLWH Rated Voltage 5V DC, Current 0.21A.. Airflow 3CFM, Speed 42005PRM, Noise 22 DBA.. Bearing Type Oil Bearing.. Lead Wire USB Length Approx.1m 39.37 in.. Package Included 4 DC brushless fans.Notice 'DO NOT GET WET' or 'Put it in a humid environment' Or it will stop working. Any questions, you can contact us and we will help you..