This thread summarizes the efforts done to get armbian support for the new RockPi 4b.
Boardspecs (from: https://wiki.radxa.com/Rockpi4/getting_started):
Rockchip RK3399
64bit dual channel LPDDR4@3200Mb/s, 1GB/2GB/4GB optioal
storage:
eMMC module (optional)
uSD card
M.2 SSD (M.2 connector supports up to 2T M2 NVME SSD)
display:
HDMI 2.0 up to 4k@60
MIPI DSI 2 lanes via FPC connector
other features:
3