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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, 40x40x10 mm, 3-pin molex, max.1

Note: if you meet the fans did not work, you can swap the red and black wires in the plug got it to work.

With a speed adjustment switch, the speeds are respectively L:4000 / M:25. 2 / h:5500rpm +/- 10% ×2, noise: l:23 / m:4800 / H:27.3dB. Usb power supply, there are 3 wind speeds for you to choose, plug and playusb power cable is plug and play.
Simply connect to a device equipped with a USB terminal than can start cooling easily without cumbersome wiring. Wide applicationthis usb pc fan is not only suitable for cooling equipment such as personal computers, routers and HDDs, but also suitable for AV equipment and game consoles. Double ball bearing design & long service lifeadopt high-quality double ball bearing motor, the service life is twice that of ordinary fans, and it can work continuously for a long time. The noise and air volume can be adjusted according to the use environment.




Or other devices such as DVRs. 5000 rpm, 000 h mttF. 40x20mm size ideal for 1u servers or replacing fans in network and storage equipment routers, switches, NAS etc. Includes anti-vibration mounts, extension cable, fan screws, y-cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.1


Connector: 2 terminal connector with 2pin-ph2. 5; compact motor design, the NF-A4x10's motor hub is smaller than with conventional 4cm fans.
Warranty: two years, package: 2x 12V DC Brushless Fans.

1. Noctua
#ad
Noctua NF-A4x10 FLX, Premium Quiet Fan, Brown, 3-Pin 40x10mm
#adNoctua #ad - Award-winning 40x10mm a-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance.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, 40x40x10 mm, 3-pin molex, max.1
More information #ad
17. 9 dba, 12v, >150, 4500/3700 rpm, 000 h mTTF. Ideal replacement for noisy or broken 12v 4cm fans in 3D printers, DVRs, NAS, other network and storage devices, routers, switches, etc. Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.Brand | Noctua #ad |
Manufacturer | Noctua #ad |
Height | 1.57 Inches |
Length | 1.57 Inches |
Weight | 0.35 Pounds |
Width | 0.39 Inches |
Part Number | NF-A4x10 |
Model | NF-A4x10 |
Warranty | 6 year manufacturer’s warranty |
More information #ad
2. UMLIFE
#ad
UMLIFE 4PCS 3D Printer Cooling Fan 40mmx40mmx10mm Oil Bearing Blower Fan DC 12V Brushless Cooling Fan with 2 Pin Terminal for Hotend Extruder Heatsinks Makerbot MK7 MK8 CPU Chip 12V 0.08A
#adUMLIFE #ad - Power connection: 2 pin-ph2. 5; cable length is 30cm/11. 8in. Any questions, you can contact us and we will give you a satisfied solution! Made of high quality plastics with high end bearings, this 3D printer part cooling fan can run continuously for days at high speeds without hassle or concern.Note: if you meet the fans did not work, you can swap the red and black wires in the plug got it to work.
More information #ad
Size:40mm*40mm*10mml*d*h, dc 12v, bearing: oil, noise:27dba, speed:6000RPM, 0.08a. Connector is already fitted and product is out-of-the-box ready for installation. Great replacement item for your all metal hotend or maybe a small cooling fan for your 3D printer nozzle setup.Brand | UMLIFE #ad |
Manufacturer | UMLIFE #ad |
Part Number | 4010-12V |
Model | 4010-12V |
More information #ad
3. ELUTENG
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Router, Playstation, Xbox, ELUTENG Dual 40mm USB Fan with 3 Speeds Adjustable 5V PC Fan Max 5500RPM 40mm * 40mm * 25mm Mini Case Fan Quiet Computer Fan Compatible for PC, TV Box
#adELUTENG #ad - Equipped with a metal frame and finger safety protection to prevent accidental injury during operation. With a large air volume design and an external hard disk box, game consoles and personal computers in a few seconds. Note: the 40mm fan is small and the speed will increase to achieve the heat dissipation effect, this usb fan can be used in narrow places such as computer hosts, routers, so some noise will be generated during use.With a speed adjustment switch, the speeds are respectively L:4000 / M:25. 2 / h:5500rpm +/- 10% ×2, noise: l:23 / m:4800 / H:27.3dB. Usb power supply, there are 3 wind speeds for you to choose, plug and playusb power cable is plug and play.
More information #ad
Two fans can be connected to one USB cable and run at the same time to improve efficiency. 2 in 1 usb fancompared to a single fan, the latest upgraded 2 in 1 dual usb fans can cool electronic products from different angles at the same time, it can also cool electronic devices such as smart phones, which is more efficient. Simply connect to a device equipped with a USB terminal than can start cooling easily without cumbersome wiring. Wide applicationthis usb pc fan is not only suitable for cooling equipment such as personal computers, routers and HDDs, but also suitable for AV equipment and game consoles. Double ball bearing design & long service lifeadopt high-quality double ball bearing motor, the service life is twice that of ordinary fans, and it can work continuously for a long time. The noise and air volume can be adjusted according to the use environment.
Brand | ELUTENG #ad |
Part Number | AUB08ZY7X4CR |
More information #ad
4. ANVISION
#ad
Dual Ball Bearing, ANVISION 2-Pack 40mm x 10mm DC 5V USB Brushless Cooling Fan, YDM4010B05
#adANVISION #ad - Bearing type: Dual Ball Bearing. Warranty: two years, Package: 2x DC brushless fans. Rated voltage: 5v dc, Current: 02a. Airflow: 7. 32cfm, speed: 6000prm, noise: 26. 26dbA. Lead wire: usb, length: 500mm/19. 68inch.More information #ad
Brand | ANVISION #ad |
Manufacturer | ANVISION INC #ad |
Part Number | AN-YDM4010B05 |
Model | AN-YDM4010B05 |
More information #ad
5. HiLetgo
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HiLetgo 4pcs DC 12V 4010 Fan 3Pin Computer CPU Cooler Mini Cooling Fan 40x40x10mm Small Exhaust Fan for Ender 3 CR10 3D Printer
#adHiLetgo #ad - Noise reference: 18DB. Hiletgo 4010s cooling Fan Brushless DC Cooling Fan. 40mm x40mm x10mm. Rated voltage: 12V. The yellow line is no function and cannot adjust the fan speed.More information #ad
Brand | HiLetgo #ad |
Manufacturer | HiLetgo #ad |
Part Number | 3-01-0186 |
Model | 3-01-0186 |
More information #ad
6. MakerFocus
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DVR and Other Small Appliances Series Repair Replacement, MakerFocus 4pcs 3D Printer Fan 12V, 40mm 12 Volt Fan 0.08A DC Mini Quiet Cooling Fan 40X40X10mm with 28cm Cable for 3D Printer
#adMakerFocus #ad - Oil bearing 30000 hours; certification: CE, UL, CUL. Size: 40 mm x 40 mm x 10 mm; working Voltage: DC 12V. Working current: 008a; air flow: 5. 75±10% cfm; power: 096w; cable length: 280mm. Bearing is high precision, long life and low noise. Temperature of usage environment: -10℃ to +70℃.More information #ad
Brand | MakerFocus #ad |
Manufacturer | MakerFocus #ad |
Height | 0.39 Inches |
Length | 1.57 Inches |
Weight | 0.13 Pounds |
Width | 1.57 Inches |
Part Number | ABBSWNG-SJS22 |
More information #ad
7. Noctua
#ad
Noctua NF-A4x20 PWM, Premium Quiet Fan, Brown, 4-Pin 40x20mm
#adNoctua #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. 5000 rpm, 000 h mttF. 40x20mm size ideal for 1u servers or replacing fans in network and storage equipment routers, switches, NAS etc. Includes anti-vibration mounts, extension cable, fan screws, y-cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.1
More information #ad
14. 9 dba, 12V, max. 4-pin pwm version for automatic speed control via 4-pin PWM fan headers, 5000rpm maximum speed 4400rpm with supplied Low-Noise Adaptor. Premium quiet fan, >150, 4-pin pwm, 40x40x20 mm, max.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
8. AC Infinity
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Router, UL-Certified for VR Gear, Compact 40mm x 20mm USB Fan, Aquarium, Raspberry Pi, AC Infinity MULTIFAN Mini, Roku, Helmet Cooling Ventilation, Cosplay
#adAC Infinity #ad - Compact and energy-efficient USB fan designed various DIY cooling and ventilation projects. Usb plug can power the fan through USB ports found behind electronics and on portable power banks. Airflow: 12 cfm | noise: 18 dBA| Bearings: Dual Ball.More information #ad
Dual-ball bearings have a lifespan of 67, 000 hours and allows the fans to be laid flat or stand upright. Features a multi-speed controller to set the fan’s speed to optimal noise and airflow levels. Dimensions: 1. 6 x 1. 6 x 08 in.Brand | AC Infinity #ad |
Manufacturer | AC Infinity #ad |
Part Number | AI-MPF40A |
Model | AI-MPF40A |
More information #ad
9. PLUSPOE
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Dual Ball Bearing for Computer case 3D Printer Humidifier and Other Small Appliances Series Repair Replacement, PLUSPOE 2-Pack 40mm x 10mm DC 12V Brushless Cooling Fan
#adPLUSPOE #ad - Dc brushless cooling fan, rated voltage: dc 12v, current: 006a; dimensions: 40x40x10mm 1. 6 x 1. 6 x 036inch. This allows for more blade surface area and thus contributes to the NF-A4x10's superior airflow and pressure performance.Connector: 2 terminal connector with 2pin-ph2. 5; compact motor design, the NF-A4x10's motor hub is smaller than with conventional 4cm fans.
More information #ad
Airflow: 7. 56cfm, speed: 6200prm, noise: 27. 50dbA. Brushless cooling fan 12vdc 006a 40mm x 40mm x10mm speed 6800 rpm fans for computer case 40mm 3d printer fan used in humidifier, aromatherapy and other small appliances series; small heat radiating communication equipment; military equipment; intelligent industrial control equipment plate cooling heat, high precision medical equipment cooling; pc cpu server cooling dissipation; electronic cooling fans etc, Repair Replacement. Warranty: two years, package: 2x 12V DC Brushless Fans.
Brand | PLUSPOE #ad |
Manufacturer | PLUSPOE #ad |
Height | 0 Inches |
Length | 0 Inches |
Width | 1.57 Inches |
Part Number | PF001 |
More information #ad
10. Wathai
#ad
Wathai DC Brushless Cooling Fan 40mm x 10mm 12V 3Pin Mini Heatsink Cooler Fans
#adWathai #ad - Bearing type: sleeve bearing ; life: 35000 hours; Connecter: 3Pin; Cable Length: 25cm Or 9. 8 inches. Dimension: 40mml x 40mmw x 10mmh / 1. 55x1. 55x039 in. Good replacement for 3d printers, nas, dvrs, LSI raid controller, other network and storage devices, camera dvr case, mother board, Server gear, etc.More information #ad
Please contact us if the product has any quality problems, it will be replaced within one year. Rated voltage:12v 006a; speed: 4500rpm; air flow: 4. 95cfm; noise:24dBA. 1 piece fan and mounting screws & nuts. Warranty: one-year quality assurance. Per fan.Brand | Wathai #ad |
Manufacturer | Wathai #ad |
Height | 0.39 Inches |
Length | 1.57 Inches |
Weight | 0.04 Pounds |
Width | 1.57 Inches |
Part Number | 4010s12v3p-9F |
More information #ad