If the official representative said that the SD card is a super right decision as the primary media, and all the rest of that shit. But it "forgets" to inform the user that the wild overheating, which is their with the active work, the life of SD cards will be miserable. Users will have to buy them in bulk from 100 pieces, like floppy disks in the last century.
p.s.
Details of the insides of the X2 Cube. There is a small minus - plastic housing. It may be useful to remove the top cover for free air access at maximum loads. But there is a built-in battery, it is rare on TV boxes and guarantees the correct operation of the clock.
https://forum.freaktab.com/forum/tv-player-support/amlogic-based-tv-players/s905x2/776917-x2-cube-amlogic-s905x2-android-9-0-2-16gb-emmc-dual-wifi-gig-lan-usb3-0-samba-server