The Canon EOS C100 supports an SDXC memory card which is better than the SDHC memory card supported by most camcorders of this age and spec. 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 amongst all camcorders of this age and spec.
A MicroSD (Transflash) memory card is the worst supported memory card type amongst comparable types of camcorder.
SDHC cards are DS cards with a higher capacity of up to 32GB.