The Legria HF R78 supports an SDXC compatible memory cards which is better than the SD compatible memory cards supported by most small total megapixels camcorders that have been available for more than a year. In addition, this video camera supports an SDHC compatible memory cards. 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 actually the best supported memory card type across all camcorders of a similar spec and age to the Legria HF R78.
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.