The Vixia HF R600 supports an SDXC memory card which is better than most video cameras of this type and age. Most comparable spec video cameras that were launched around the same time as it support an SD memory card. In addition, this Canon camcorder 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 comparable spec video cameras that have been available for more than a year.
Amongst comparable types of video camera the worst supported memory card type is SD.
SDHC cards are DS cards with a higher capacity of up to 32GB.