Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)
Price comparison
£ 13.95
£ 4.49 | 1-2 Days
go to shop
£ 13.99
see shop
go to shop
£ 20.29
free shipping | 2-3 Days
go to shop
£ 41.21
free shipping | 3 Days
go to shop
Price trend
Product description
- Includes anti-vibration mounts, fan screws, extension cable, y-cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
- 4-pin PWM version for automatic speed control via 4-pin PWM fan headers, 5000rpm maximum speed (4400rpm with supplied Low-Noise Adaptor)
You might also be interested in these noctua 40mm fans.

Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Check price

Noctua NF-A4x10 24V PWM, 40mm Quiet Fan for 3D printers and other Applications, 4-Pin, 24V Version (40x10mm, Brown)
NA-AC9 adaptor cable for popular 3D printers with JST XHP-2 2.5mm headers (e.g. Creality Ender 3 & CR-10, Anycubic Mega), ideal to improve printing performance and quietness of operation
Check price

Noctua NF-A4x20 FLX Computer Case Fan - Cooling Components (Computer Case, Fan, 4 cm, 3700 RPM, 5000 RPM, 4400 RPM)
Noctua Nf A4X20 Flx Computer Case Fan Computer Cooling Components Computer Case Fan 4Cm 3700Rpm 5000Rpm 4400Rpm
free shipping
Check price

Noctua NF-A4x20 FLX, Premium Quiet Fan, 3-Pin (40x20mm, Brown)
Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Check price

Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)
Includes anti-vibration mounts, fan screws, extension cable, y-cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Check price

Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)
Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Check price

Noctua NF-A4x20 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x20mm, Brown)
Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Check price

Noctua NF-A4x10 5V PWM, Premium Quiet Fan with USB Power Adaptor Cable, 4-Pin, 5V Version (40x10mm, Brown)
Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
Check price

Noctua NF-A4x20 5V PWM, Premium Quiet Fan, 4-Pin, 5V Version (40x20mm, Brown)
Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connecting the fan to proprietary fan headers
free shipping
Check price

Noctua NF-P12 redux-1700 PWM, High Performance Cooling Fan, 4-Pin, 1700 RPM (120mm, Grey)
High performance cooling fan, 120x120x25 mm, 12V, 4-pin PWM, max. 1700 RPM, max. 25.1 dB(A), 150,000 h MTTF
Check price

Noctua NF-A4x20 FLX, Premium Quiet Fan, 3-Pin (40x20mm, Brown) (Pack of 2)
The information below applies to each unit in the pack
Check price

Noctua NF-P12 redux-1300 PWM, Quiet Fan, 4-Pin, 1300 RPM (120mm, Grey)
Quiet fan, 120x120x25 mm, 12V, 4-pin PWM, max. 1300 RPM, max. 19.8 dB(A), 150,000 h MTTF
Check price

Noctua NF-A8 PWM, Premium Quiet Fan, 4-Pin (80mm, Brown)
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)
Check price

Noctua NF-A4x20 5V PWM PC Case Fan 40 x 40 x 20 mm Brown
Noctua NF-A4x20 5V PWM PC Case Fan 40 x 40 x 20 mm Brown
free shipping
Check price

Noctua NF-F12 iPPC 3000 PWM, Heavy Duty Cooling Fan, 4-Pin, 3000 RPM (120mm, Black)
12V 3000rpm model (43.5dB) with 4-pin PWM connector for automatic speed control via 4-pin PWM fan headers, broad 750-3000rpm speed range
Check price

Noctua NF-A6x15 5V PWM, Premium Quiet Slim Fan with USB Power Adaptor Cable, 4-Pin, 5V Version (60x15mm, Brown)
Includes anti-vibration mounts, fan screws, extension cable, y-cable and OmniJoin adaptor set for connection to proprietary fan headers
Check price

Noctua NF-A12x25 5V PWM, Premium Quiet Fan with USB Power Adaptor Cable, 4-Pin, 5V Version (120mm, Brown)
Includes anti-vibration mounts, fan screws, extension cable and OmniJoin adaptor set for connection to proprietary fan headers
free shipping
Check price

Noctua NF-A9x14 PWM, Premium Quiet Fan, 4-Pin (92x14mm, Brown)
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)
Check price

Noctua NF-F12 PWM, Premium Quiet Fan, 4-Pin (120mm, Brown)
4-pin PWM version for automatic speed control via 4-pin PWM fan headers, broad 300-1500rpm speed range (1200rpm max. with supplied Low-Noise Adaptor)
free shipping
Check price

Noctua NF-A14 iPPC-3000 PWM, Heavy Duty Cooling Fan, 4-Pin, 3000 RPM (140mm, Black)
12V 3000rpm model (41.3dB) with 4-pin PWM connector for automatic speed control via 4-pin PWM fan headers, broad 800-3000rpm speed range
free shipping
Check price