Dedicated All-In-One aluminum alloy cooling fan for Raspberry Pi 4B, PWM speed adjustment, better co
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Product details
All-in-one, More convenient, Space efficient
Low Noise, More Practical, With Thermal Tape
- Supported: PiRaspberry Pi 4 Model B 1GB/2GB/4GB/8GB Version
- Power supply: DC 5V input (can be powered from Raspberry Pi)
- INTERFACE: 3-wire PWM speed-adjustable fan header
- rated power: 0.3W (5V, 0.6±0.02A)
- Cable length: 80±10mmFan5500±10%RPM
Cooling The Raspberry Pi 4B (Left) And Raspberry Pi 4B With FAN Adapter (Right)
attaching other Raspberry Pi HATs via the included FAN adapter 
Matching With The Pi 4B On Size And Mounting Holes, Fast Heat Dissipation,
Lightweight and silent
Raspberry Pi 4B Cooling Solution Comparison 
1 x Aluminium case Pi4 heatsink + fan
Resources
How To Install
1. Paste thermal pad to Raspberry Pi 4B as shown 
2. Fix PI4-FAN-PWM with screws from the back of the Raspberry Pi 
3. Connect the cables to GPIO. Red cable to 5V. Black to GND and Blue one to PWM pin(TXD/GPIO12/GPIO18 selectable) 
4. When used with FAN Adapter, connect the cable as picture above, the default PWM pin is D12(GPIO12) ,You can switch to TXD or D18(GPIO18) by modifying the 0R resistor. 
Heat Sink Introduction
Outline Dimensions