Maximum size of SD cards for BPI M2 Ultra w/R40

Banana Pi BPI-M2 Ultra / BPI-M2 Berry
1

Hi, I’d like to ask what is the maximum size of the SD card maintained by BPI M2 Ultra w/R40? Could I use for example 1TB or 2TB SDXC cards?

2

Or maybe another question: which controller M2U has: SDHC or SDXC on board?