Top 8 40mm Quiet Fan – Computer Case Fans

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1. Noctua

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Premium Quiet Fan, Noctua NF-A6x25 FLX, 3-Pin 60mm, Brown

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Noctua #ad - Ideal replacement for noisy or broken 12V 6cm fans in DVRs, 3D printers, network and storage devices, NAS, etc.19. 3 dba, 12v, 3-pin molex, 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. Award-winning 60x25mm a-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance. Includes anti-vibration mounts, fan screws, low-noise & Ultra-Low-Noise Adaptors, extension cable and 3:4-pin adaptor for powering the fan directly from the power supply. Premium quiet fan, 60x60x25 mm, 3000/2400/1600 rpm, >150, max.
BrandNoctua #ad
ManufacturerNoctua #ad
Height0.98 Inches
Length2.36 Inches
Weight0.44 Pounds
Width2.36 Inches
Part NumberNF-A6x25
ModelNF-A6x25
Warranty6 year manufacturer’s warranty

2. GDSTIME

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GDSTIME Blower Fan, 40mm x 40mm x 20mm 24V DC Brushless Blower Cooling Fan Sleeve Bearing

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GDSTIME #ad - 2pin connector 21cm cable length 2-wire terminated with XH2. 54-2pin connector for power supply; Red wire : positve, Black: negative. Widely used40mm brushless dc blower fan; perfect for 3D printers, projectors, humidifier, purifiers, small PC and other small appliances series repair replacement.

But not safe, operating Voltage Range: 14V to 26V. Easy to install blower size: 40mm l x 40mm w x20mm h, air intake size: 27mm, air outlet size: 30x20mm, Mounting Hole Pitch: 35mm; Operating Temperature: 14℉ to 175 ℉. 24 volt blower each small turbo fan is constructed of pbt material, it can also work. Overtake to 26V, and seriously affects lifespan of fan. 4020 blowerrated voltage: 24v dc | current: 006amp | power: 1. 5 watt | airflow: 3. 67 cfm | static pressure: 046 in h2o | | noise Level: 32. 5 dba | fan speed: 6500 rPM±10%.
BrandGDSTIME #ad
ManufacturerGDSTIME #ad
Height0.79 Inches
Length1.57 Inches
Weight0.02 Pounds
Width1.57 Inches
Part NumberGDT4020S24V2P2.54-B
ModelGDT4020S24V2P2.54-B

3. Noctua

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Brown, Premium Quiet Fan, 4-Pin 60mm, Noctua NF-A6x25 PWM

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Noctua #ad - With supplied Low-Noise Adaptor. 4-pin pwm version for automatic speed control via 4-pin PWM fan headers, broad 550-3000rpm speed range 2100rpm max.

Includes anti-vibration mounts, low-Noise Adaptor, fan screws, extension cable and y-cable for running two PWM fans on the same header.19. 3 dba, 000 h mtTF. Ideal replacement for noisy or broken 12V 6cm fans in DVRs, 3D printers, NAS, network and storage devices, etc. Award-winning 60x25mm a-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance. 3000 rpm, 4-pin pwm, 12v, 60x60x25 mm, >150, max. Premium quiet fan, max.
BrandNoctua #ad
ManufacturerNoctua #ad
Height0.98 Inches
Length2.36 Inches
Weight0.09 Pounds
Width2.36 Inches
Part NumberNF-A6x25 PWM
ModelNF-A6x25 PWM
Warranty6 year manufacturer’s warranty

4. Noctua

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1800 RPM 80mm, High Performance Cooling Fan, Grey, 4-Pin, Noctua NF-R8 redux-1800 PWM

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Noctua #ad - 17. 1 dba, >150, 12v, 4-pin pwm, 80x80x25mm, 000 h MTTF. Streamlined redux edition: proven noctua quality at an attractive price point, S-ATA adaptors, y-splitters, extension cables, wide range of optional accessories anti-vibration mounts, etc.

1800rpm 4-pin pwm version with excellent balance of performance and quietness, supports automatic motherboard speed control powerful airflow when required, virtually silent at idle. Highly optimised low-noise design with outstanding quietness of operation, cooling fan replacement for NAS and other devices, ideal for chassis ventilation, static pressure and airflow CFM, etc. High performance cooling fan, max. 1800 rpm, max. Renowned nf-r8 high-end 80x25mm 12v fan, more than 100 awards and recommendations from international computer hardware websites and magazines, hundreds of thousands of satisfied users.
BrandNoctua #ad
ManufacturerNoctua #ad
Height3.15 Inches
Length3.15 Inches
Weight0.3 Pounds
Width0.98 Inches
Part NumberNF-R8 redux-1800 PWM
ModelNF-R8 redux-1800 PWM
Warranty6 year manufacturer’s warranty

5. ELUTENG

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ELUTENG 40mm USB Fan with 3 Speed Control USB Ventilator 5V Max 5300RPM High Flow VR Cooling Fan Compatible for Receiver DVR Playstation Xbox Computer Cabinet Cooling

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ELUTENG #ad - 3 speed control: voltage: 3. 5/4. 2/5v; air volume: 3. 5/3. 88/4. 4 cfm, different speed level for different cooling needs. Note: input power: Max 5V/1A. Excess may damage the motor.

Mini cooling fan: eluteng 40mm mini usb cooling fan with 3-speed control, size and super lightweight design, perfect fit for DIY cooling and narrow place. High quality: metal grill on front side, protect cable and your hands; High quality bearings, durable; 100cm/3. 3ft usb cable, meet connection needs. Please confirm the size by pics before purchasing. Usb powered: 5v powered, convenient, allow you to use it in any places with USB power supply, perfect for Home/Office/Business trip. Widely used: suitable for ventilation of VR glasses /TV box /Raspberry pie /Router /Small PC Case and other small electronic equipment ventilation.
BrandELUTENG #ad
ManufacturerELUTENG #ad
Height1.57 Inches
Length1.57 Inches
Weight0.09 Pounds
Width0.39 Inches
Part Number0001
Model4328440044

6. be quiet!

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Be quiet! Silent Wings 3 140mm PWM High-Speed, Cooling Fan, BL071

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be quiet! #ad - 6-pole fan motor for less power consumption and vibration. Seven fan blades provide optimized airflow. Pwm controlled fan speed by the motherboard. Great performance-to-noise ratio with 28. 1dba at 1, 600Rpm. Air flow - 77. 57 cfm. Fluid-dynamic bearing enables super-long life span of 300, 000 hours. Fan frame with funnel-shaped air inlets for extremely high air pressure. Noise level - 28. 1 decibels.
Brandbe quiet! #ad
Manufacturerbe quiet! #ad
Height5.51 Inches
Length5.51 Inches
Weight0.74 Pounds
Width0.98 Inches
Part NumberBL071
ModelBL071
Warranty3 YEARS

7. PartsCollection

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Intel 40x40x20MM Blue LED Fan

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PartsCollection #ad - Premier quality, intel P/N: E43121-001. Avc model: dasa0420r2m, Middle Speed. 3-pin connector, blue LED Light, Quiet Fan. Diemansions: 40x40x20 mm, dc 12V, 015a.
BrandPartsCollection #ad
ManufacturerAVC #ad
Height0.79 Inches
Length1.57 Inches
Weight0.06 Pounds
Width1.57 Inches
Part NumberDASA0420R2M
ModelDASA0420R2M

8. Noctua

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Grey, 4-Pin, Noctua NF-P14s redux-1500 PWM, High Performance Cooling Fan, 1500 RPM 140mm

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Noctua #ad - Streamlined redux edition: proven noctua quality at an attractive price point, wide range of optional accessories anti-vibration mounts, y-splitters, extension cables, S-ATA adaptors, etc.

25. 8 dba, max. Highly optimised low-noise design provides outstanding quietness of operation, excellent static pressure and strong airflow CFM, square frame for water cooling radiators and chassis ventilation. Renowned nf-p14s high-end 140x25mm 12v fan, more than 100 awards and recommendations from international computer hardware websites and magazines, hundreds of thousands of satisfied users. 1500 rpm, 000 h mttF. High performance cooling fan, >150, 140x140x25 mm, 4-pin pwm, 12v, max.1500rpm 4-pin pwm version with excellent balance of performance and quietness, supports automatic motherboard speed control powerful airflow when required, virtually silent at idle.
BrandNoctua #ad
ManufacturerNoctua #ad
Height5.51 Inches
Length5.51 Inches
Weight0.33 Pounds
Width0.98 Inches
Part NumberNF-P14s redux-1500 PWM
ModelNF-P14s redux-1500 PWM
Warranty6 year manufacturer’s warranty

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