The JVC GY-HM200 supports an SDXC memory card which is better than the SDHC memory card supported by most video cameras of this age and type. 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 video cameras of this age and spec.
The worst supported memory card type across similar types of camcorder is SD.
SDHC cards are DS cards with a higher capacity of up to 32GB.