The HF R205 supports an SDXC compatible memory cards which is better than the SD compatible memory cards supported by most video cameras of this age and type. 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 in fact the best supported memory card type across all small total megapixels video cameras that were released around the same time as the HF R205.
The worst supported memory card type across similar types of video camera is MicroSD (Transflash).
SDHC cards are DS cards with a higher capacity of up to 32GB.