With the HardROCK64, Pine64 has brought a new single-board computer (SBC) to the table to take on the Raspberry Pi. The new SBC features a 6-core processor, numerous connections, up to 4 GB of RAM and all for the princely sum of US$35.
https://www.notebookcheck.net/HardROCK64-A-new-and-affordable-Raspberry-Pi-alternative-with-a-six-core-processor-and-multiple-ports.453073.0.html