easy to buy sample :
BANANAPI Official online shop：
SINOVOIP Aliexpress shop:
https://ko.aliexpress.com/item/1005010368570175.html?gatewayAdapt=glo2kor
Bipai Aliexpress shop：
https://es.aliexpress.com/item/1005010368718643.html?gatewayAdapt=glo2esp
Taobao shop :
https://item.taobao.com/item.htm?ft=t&id=994935368405
Note: BPI-R4 Pro will support Developer kits and open-source products. However, the packaging, shells, heat sinks, etc. will be available later. If you need to purchase the kits and products, please do so later. We will inform you in a timely manner once they are ready.