Reviews Power Optimisation

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

Premium quiet fan, 40x40x20 mm, 12V, 3-pin Molex, 5000/4400/370 RPM, max. 14.9 dB(A), >.
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 5000/4400/3700rpm 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, 80x80x25 mm, 12V, 4-pin PWM, max. 2200 RPM, max. 17.7 dB(A), >.
Award-winning 80x25mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance.
8cm format is ideal for compact PC cases (HTPC, ITX, Small Form Factor) and other chassis (intake & exhaust), replacement fan for NAS and other devices, etc..
4-pin PWM version for automatic speed control via 4-pin PWM fan headers, broad 450-2200rpm speed range (1750rpm max. with supplied Low-Noise Adaptor).
Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and y-cable for running two PWM fans on the same header.

Premium quiet fan, 40x40x10 mm, 12V, 4-pin PWM, max. 5000 RPM, max. 19.6 dB(A), >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, 12V, 3-pin Molex, 4500/3700 RPM, max. 17.9 dB(A), >.
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.

Heavy duty cooling fan, 140x140x25 mm, 12V, 4-pin PWM, IP67 certified, max. 2000 RPM, max. 31.5 dB(A), >150,000 h MTTF.
Award-winning 140x25mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior cooling efficiency.
12V 2000rpm model (31.5 dB(A)) with 4-pin PWM connector for automatic speed control via 4-pin PWM fan headers, broad 500-2000rpm speed range.
High-speed industrialPPC version for industrial heavy-duty applications that require extreme cooling performance and advanced ingress protection.
Ruggedised fibre-glass reinforced polyamide construction and IP67 certified water and dust protection.

Premium quiet fan, 80x80x25mm, 12V, 4-pin PWM, max. 2200 RPM, max. 17.7 dB(A), >150,000 h MTTF.
Award-winning 80x25mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance.
8cm format is ideal for compact PC cases (HTPC, ITX, Small Form Factor) and other chassis (intake & exhaust), replacement fan for NAS and other....
4-pin PWM version for automatic speed control via 4-pin PWM fan headers, broad 450-2200rpm speed range, stops at 0% PWM for semi-passive systems.
chromax.black.swap edition with all-black design and swappable red, black, white, blue, yellow and green anti-vibration pads for colour-customising (4....

Award-winning 92x14mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance.
4-pin PWM version for automatic speed control via 4-pin PWM fan headers, broad 500-2200rpm speed range (1700rpm max. with supplied Low-Noise Adaptor).
Premium quiet fan, 92x92x14 mm, 12V, 4-pin PWM, max. 2200 RPM, max. 19.9 dB(A), >.
14mm slim design is ideal for low-profile 9cm CPU coolers (e.g. Noctua NH-L9 series), compact PC cases and other space-restricted applications.
Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and y-cable for running two PWM fans on the same header.

Premium quiet fan, 92x92x14 mm, 12V, 4-pin PWM, max. 2200 RPM, max. 19.9 dB(A), >150,000 h MTTF.
Award-winning 92x14mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance.
14mm slim design is ideal for low-profile 9cm CPU coolers (e.g. Noctua NH-L9 series), compact PC cases and other space-restricted applications.
4-pin PWM version for automatic speed control via 4-pin PWM fan headers, broad 500-2200rpm speed range (1700rpm max. with supplied Low-Noise Adaptor).
Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and y-cable for running two PWM fans on the same header.

Premium quiet fan, 200x200x30 mm, 12V, 4-pin PWM, max. 800 RPM, max. 18.1 dB(A), >150,000 h MTTF.
Award-winning 200x30mm A-series fan with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance.
Large 20cm diameter for high airflow at extremely low noise levels.
154x154, 170x170 & 110x180mm mounting holes for broad compatibility with various PC cases.
4-pin PWM version for automatic speed control via 4-pin PWM motherboard fan headers, 350-800rpm speed range.
chromax.black.swap edition with all-black design and swappable red, black, white, blue, yellow and green anti-vibration pads for colour-customising (4 pads of each colour).