The HDR-CX230/B supports a better memory card type than most medium total megapixels video cameras that are a similar age to it. This video camera supports an SDXC compatible memory cards, whereas most similar spec camcorders that were released more than two years ago support an SDHC compatible memory cards. In addition, this Sony video camera support a Memory Stick (MS) and SD compatible memory cards. 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 actually the best supported memory card type amongst all similar spec camcorders that were launched around the same time as the HDR-CX230/B.
Amongst similar types of camcorder the worst supported memory card type is MicroSD (Transflash).
SDHC cards are DS cards with a higher capacity of up to 32GB.