Yuzuki Avaota-A1 is a $55 single-board PC with 8 ARM Cortex-A55 CPU cores and an embedded RISC-V core

https://liliputing.com/yuzuki-avaota-a1-is-a-55-single-board-pc-with-8-arm-cortex-a55-cpu-cores-and-an-embedded-risc-v-core/