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40mm fan adapters in comparison

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Last updated on 30.07.2025

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Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)

Noctua

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9,9

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ELUTENG 80mm USB Fan 5V with L/M/H 3 Adjustable Speed, USB PC Computer Fan 80mm Electronic Cooling Fan 2900RPM with Metal Grill for Laptop/TV Box/AV Cabinet/PS4/Router

ELUTENG

20% off

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9,8

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09Days

10hours

13minutes

35seconds

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GeeekPi Raspberry Pi 4 Aluminum NAS Case with ICE Tower Cooler and M.2 SATA SSD Adapter Board,Raspberry Pi 4 Passive Aluminum Case with 40mm Ultra-Quiet PWM Fan for Raspberry Pi 4 Model B 2GB 4GB 8GB

GeeekPi

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9,6

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AABCOOLING Super Silent Fan 20 - Silent and Efficient 200mm Fan with 4 Anti-vibration Pads

AABCOOLING

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9,6

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TopMate C5 Laptop Cooling Pad Gaming Notebook Cooler, Laptop Fan Cooling Stand Adjustable Height with 5 Quiet Fans Blue LED Light, Computer Chill Mat with LCD Controller, for 10-15.6 Inch Laptops

TopMate

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9,5

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ThreeBulls 5 Pack 4-Pin PWM Fan Splitter Cable, Sleeved Braided Adapter for PC ATX Case 4-Pin/3-Pin Cooling Fan Cable (10.6")

ThreeBulls

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9,5

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HIOPOIUYT 350W Power Supply Unit With 40mm Cooling Fan Speed Adjustment PC Power Supply For Efficient Heat Dissipation

HIOPOIUYT

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9,4

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Fluxioxtna Exhaust Fan Adapter Nozzle For 50mm Ducts With Multiple 20/25/32/40mm Connectors

Fluxioxtna

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9,4

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sourcing map 10 Pieces 40mm Fan Grill Cooling Metal DC Fan Finger Guard Protective Grill for PC Computer

Uxcell

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9,3

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sourcing map Male to Female Extender Fitting Black G1/4 x 40mm for Water Cooling System Pack of 2

sourcing map

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9,3

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This ranking is created through algorithmic analysis of millions of products tailored to your search. We aim to find the most suitable product for you based on manufacturer information and price. The ranking reflects our opinion and should serve as a good starting point for your purchase. We would like to point out that we have not tested the products ourselves and link to selected online shops and partners from which we may receive compensation.

You might also be interested in these 40mm fan adapters.

Wathai 4Pin 12V PWM Brushless DC Cooling Fan Duall Ball for 1U Servers, NVR NAS, 3D Printer, Computer Case GPU CPU, 40mm x 40mm x 20mm High Speed

Computer Case Fan Efficiently cool electronic components with our high speed 4 pin pc fan. Perfect for 1U servers and network storage equipment

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350W Power Supply For NAS And POS Machine With 40mm Intelligent Temperature Control Fan

Over-current, overloads, overheating, shortcircuits and other five protecting ensuring stable operates.

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Xiatiaosann 3 PCS USB to 3/4-Pin PWM PC Fan, USB Type-A Male to 3-Pin 4-Pin PC 5V PC Fan Adapter Cable for Power Supply to 5V PC Fan

Application Desktop computer, notebook computer, USB adapter.

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Create idea 2pcs 4 Pin M-olex Pass Through to 3 Pin Fan Power Connector Adapter Short Cable 13CM with Sleeving For Computer Fan Power Modification and Upgrade

Dual-Sided 4-Pin Molex Style Connector (Only 12V and Ground are present)

~~£ 7.79~~

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GAOFESA 350W Power Supply Unit With 40mm Cooling Fan Speed Adjustment PC Power Supply For Efficient Heat Dissipation

for Computer enthusiasts, small office users, home users who need to save space

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Be In Your Mind 2-Pin Header Bearing Video Card Cooling Fan Compatible with Zotac GTX 1050 1050ti Mini 2-pin Graphics Card Cooling Fan Bearing fan

Compatible Compatible with Zotac GTX 1050 1050ti Mini

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Exhaust Fan Adapter Nozzle For 50mm Ducts With Multiple 20/25/32/40mm Connectors

for professional, this product simplifies process of connecting exhaust fan to narrower ductwork without compromising performances.

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Csnbfiop Small 1U Modulars Power Supply Unit Low Noise 40MM Fan With Thermals Control 250W 300W 700W 850W

1U size, suitable for place with limited space, providing installation and layout.

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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

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LLHCF 5PCS PVC Fan Filter PC Dustproof For Case Cuttable Computer Mesh 40mm Adapter Cable Connector Expander Splitter Cable Fan Converter Controller Card Module Board Bracket Socket Panel Mount

features good flame retardant, and excellent stability.

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Heatsink, 00x40x40 mm Heat Sink Silver Aluminium Cooler Silver Aluminium Cooler for /2/3 Set Top Box and Power Supply PCB

Lightweight Design The heatsink is engineered for applications where minimizing weight is crucial. Its lightweight construction makes it suitable for various electronic devices without adding unnecessary bulk.

~~£ 6.22~~

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ZSOXPF Original MF40201V2-1000C-F99 DC12V 0.64W 3-Wire Switch 40mm Fan for Desktop Chassis & Power Supply

Wiring computer mainboard 3P (RD alarm signal)

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40mm fan adapters in comparison

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