[1] https://www.st.com/content/st_com/en/products/evaluation-too...
$9.80 @10ku for the part on the Discovery. Not shipping yet, but other parts in the STM32MP family are.
https://www.st.com/content/st_com/en/products/microcontrolle...
[1] https://www.st.com/content/st_com/en/products/evaluation-too...