The Sony HDR-AS200 supports an SDXC compatible memory cards which is better than most comparable spec video cameras that have been on the market for around the same time as it. Most camcorders that are a similar age to it support an SD compatible memory cards. This video camera also support sd and sdhc and sdxc compatible memory cardss. 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 compatible memory cards is in fact the best supported memory card type across all camcorders that have been available for a comparable time to the HDR-AS200.
The worst supported memory card type amongst comparable types of video camera is Not supported.
SDHC cards are DS cards with a higher capacity of up to 32GB.