Top 10 Best Noctua 40mm

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.

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.

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.

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.

Premium quiet fan, 40x40x10 mm, 5V, 3-pin Molex, 4500 RPM, 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 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.

Premium quiet fan, 40x40x20 mm, 5V, 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 NVIDIA Jetson Nano, 1U applications or replacing fans in network and storage equipment routers, switches, NAS etc. or other devices such as DVRs. 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.

Premium quiet fan, 40x40x10 mm, 5V, 4-pin PWM, max. 5000 RPM, max. 19.6 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. 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. Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.

Premium quiet fan, 40x40x20 mm, 5V, 3-pin Molex, 5000 RPM, 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. 5V 3-pin version 5000RPM for 5V-based industrial applications or replacing 5V fans in various devices. Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers.

Premium quiet fan, 120x120x25mm, 12V, 4-pin PWM, max. 2000 RPM, max. 22.6 dBA, 150,000 h MTTF. Next-generation 120x25mm A-series design provides unprecedented quiet cooling performance, ideal for CPU coolers and watercooling radiators. State-of-the-art engineering AAO frame, Flow Acceleration Channels, record tight 0.5mm tip clearance and construction Sterrox LCP material, metal-reinforced hub, metal bearing shell, etc.. 4-pin PWM version for automatic speed control via 4-pin PWM motherboard fan headers, 450-2000rpm speed range near silent at idle, powerful under load. chromax.black.swap edition with swappable red, black, white, blue, yellow, grey and green anti-vibration pads for colour-customising 4 pads of each colour plus black anti-vibration gasket.

Award-winning NH-D15 cooler more than 200 awards and recommendations from international hardware websites and magazines. Dedicated special edition for the AMD AM4 socket. State-of-the-art dual-tower design with 6 heatpipes provides excellent cooling performance for overclocking or near-silent systems. Two quiet, premium-grade NF-A15 140mm fans with PWM for automatic speed control. 6-year manufacturers warranty.