The Canon Legria HF S30 supports an SDXC memory card which is better than the SD memory card supported by most camcorders of a similar type and age to it. This 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 actually the best supported memory card type amongst all camcorders that have been around for more than two years.
The worst supported memory card type across comparable types of camcorder is MicroSDXC.
SDHC cards are DS cards with a higher capacity of up to 32GB.