The successor of the US$35 Renegade single-board PC by Libre Computer will hit Indiegogo in July and general availability is scheduled for August. This Raspberry Pi alternative uses a Rockchip RK3399 processor and features USB Type-C connectivity, 4 GB DDR4 memory, eMMC 5.x support, Gigabit Ethernet, and more.
https://www.notebookcheck.net/Libre-Computer-s-single-board-computer-Renegade-Elite-coming-in-August-Rockchip-RK3399-in-tow.310656.0.html