SDXC cards are SD cards but with a much higher capacity and faster processing speeds. They have a maximum capacity of 2TB (Terabytes).
This video camera's memory card type (SDXC) is in fact the best supported memory card type across all latest comparable spec camcorders.
A MicroSD (Transflash) memory card is the worst supported memory card type amongst similar types of video camera.
SDHC cards are DS cards with a higher capacity of up to 32GB.