Bought new ax lite and got 224 of RAM. Is it metric/imperial megabytes ratio or something like that?

This was discussed in another thread, starting here:
https://forum.mikrotik.com/viewtopic.php?p=1025982&hilit=224+hap#p1025662
Basically there is some reserved memory for drivers, and that gets excluded from the resources view.
Thank you! Looked onto simple ax lite and forgot to search apecial LTE version theme