Which Radxa boards is this heatsink compatible with?

It is designed for Radxa ZERO 3W and Radxa ZERO 3E boards. The package includes the heatsink and a thermally conductive silicone sheet.

What material is used for the heatsink and how does it help cooling?

The heatsink is made of pure copper, which provides high thermal conductivity for efficient heat dissipation in compact SBC setups.

What is the size of the heatsink and what is in the package?

The dimension is 55 x 19 x 2 mm. The packaging list specifies the heatsink and the thermally conductive silicone sheet.

What exactly is included in the package?

The package includes the heatsink 5519A and a thermally conductive silicone sheet.

Are warranty or return terms specified for this product?

The listing does not specify warranty or return terms; please check with the seller for policy details.