The Canon Legria HF R56 supports a better memory card type than most small sensor size camcorders that have been on the market for a similar time to it. This Canon camcorder supports an SDXC memory card, whereas most small sensor size camcorders that are a similar age to it support an SD memory card. This camcorder also supports an SDHC 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 in fact the best supported memory card type amongst all small sensor size camcorders that have been available for around the same time as the Legria HF R56.
The worst supported memory card type amongst comparable types of video camera is MicroSD (Transflash).
SDHC cards are DS cards with a higher capacity of up to 32GB.