The Canon Legria HF R56 supports a better memory card type than most camcorders that came out more than a year ago. This Canon camcorder supports an SDXC memory card, whereas most video cameras of this age and spec support an SD memory card. SDXC cards are SD cards but with a much higher capacity and faster processing speeds. They have a maximum capacity of 2TB (Terabytes).
An SDXC memory card is actually the best supported memory card type across all small sensor size video cameras that are a similar age to the Legria HF R56.
The worst supported memory card type across comparable types of video camera is SD.
SDHC cards are DS cards with a higher capacity of up to 32GB.