MakerFocus Raspberry Pi 4B GPIO Expansion Board with Dual Fan LED Compatible with RPi 4B/3B+/3B/3A+
Cooler for Raspberry pi 4b:
Nominal voltage: DC 5V
Compaitable with Raspberry Pi 4B/3B+/3B/3A+/2B+/2B/B
Heat sink for Raspberry pi 4:
Color: Random color
Function: The contours of these heat sinks are perfectly adapted to the Raspberry Pi 4B standard.
Compatible with all versions of raspberry pie footnotes, Raspberry pin pins can be used.
Clear pin mark, GPIO function fully displayed. All GPIO pins are pulled out, So when the Raspberry Pi is being cooled, its development function will not be affected.
The cooling fan adopts active cooling mode, the heat can be discharged in time. Besides, it included double fan, the effect of cooling and ventilation is better.
LED and fan both have switch, you can control the LED and fan individully, will not bring the dazzing feeling when you use it in the night.
Heat sink function:
These pure aluminum heat sinks include thermal tape that transfers heat efficiently to the heat sink, providing additional cooling for the IC.
The contours of these heat sinks are perfectly adapted to the Raspberry Pi 4B standard.
1 * Expansion Board with dual Fan for Raspberry pi
4 * Copper column(column double pass M2.5*17mm)
3 * Heat sink
9 * Screw( M2.5*5 countersunk screw)
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