The Canon Vixia HF R400 supports a better memory card type than most camcorders of a similar type and age to it. This video camera supports an SDXC memory card, whereas most small sensor size camcorders that have been available for a similar time to it support an SD memory card. This Canon video camera 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).
This camcorder's memory card type (SDXC) is in fact the best supported memory card type amongst all camcorders that are a similar age to the Vixia HF R400.
The worst supported memory card type amongst similar types of camcorder is MicroSD (Transflash).
SDHC cards are DS cards with a higher capacity of up to 32GB.