Raspberry Embedded Armor Aluminum Alloy Heatsink Compatible

Features:
Only supports Raspberry Pi 4 Model B and its expansion board;
Supports to cooling down the Raspberry Pi 4 board when using the Pi 4 expansion board;
Equipped with a variety of screws and copper spacers;
Raspberry Pi HAT positioning hole is M2.5 internal thread; (this design is convenient to fix)
Supports the installation of 25mm fans; Cooling fan can be added when the heat dissipation of a single aluminum heat sink is not enough, so that all heat dissipation problems can be solved.
The fan equipped with the heatsink is the same fan as the official POE expansion board; 
Specifications:
Accessory Type:
Heat Sink

Compatible With:
Raspberry Pi 4 Model B

Material:
Aluminum Alloy

Thickness:
7mm

Size:
6.5 x 5.5 x 0.7mm

Compatible with:
Raspberry Pi Expansion Board

Packing List:
1x armor heatsink
1x screws pack
 Note:

The Raspberry Pi board is not included in the packing list.
We perpare as many as different spacers with various length as we can for the embedded heatsink, so you can use our embedded heatsink in different Raspberry Pi 4 projects for better heat dissaption.You need to use suitable height of copper spacers to compensate the height your expansion board.
But this may be not enough, we can not guarantee the spacers and screws inside can meet all your demand, really hope to get your understanding. 

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