The Legria HF R606 supports an SDXC memory card which is better than most small sensor size camcorders that have been around for more than a year. Most small sensor size camcorders that were released around the same time as it support an SD memory card. In addition, this video camera 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 actually the best supported memory card type across all video cameras of a similar type and age to the Legria HF R606.
Across similar types of camcorder the worst supported memory card type is SD.
SDHC cards are DS cards with a higher capacity of up to 32GB.