The AG-DVX200 supports a better memory card type than most latest big sensor size video cameras. This video camera supports an SDXC memory card, whereas most big sensor size video cameras that have been available for a similar time to it support an SD 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 similar spec camcorders that have been available for around the same time as the AG-DVX200.
An SD 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.