The JVC GZ-EX310 supports a better memory card type than most camcorders of a similar age and spec to it. This video camera supports an SDXC memory card, whereas most video cameras of this age and type support an SD memory card. This camcorder 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).
An SDXC memory card is actually the best supported memory card type across all medium sensor size video cameras that have been around for more than two years.
The worst supported memory card type across comparable types of video camera is MicroSDXC.
SDHC cards are DS cards with a higher capacity of up to 32GB.