The Legria HF R306 supports a better memory card type than most camcorders of a similar spec and age to it. This video camera supports an SDXC compatible memory cards, whereas most similar spec camcorders that have been available for around the same time as it support an SD compatible memory cards. This Canon video camera also 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).
An SDXC compatible memory cards is actually the best supported memory card type amongst all small total megapixels camcorders that have been available for a similar time to the Legria HF R306.
A MicroSD (Transflash) compatible memory cards is the worst supported memory card type across comparable types of video camera.
SDHC cards are DS cards with a higher capacity of up to 32GB.