The Panasonic HDC-SD90 supports an SDXC compatible memory cards which is better than the SDHC compatible memory cards supported by most video cameras that are a comparable age to it. This Panasonic video camera also supports an 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).
This video camera's memory card type (SDXC) is actually the best supported memory card type amongst all video cameras that have been available for more than two years.
Amongst comparable types of video camera the worst supported memory card type is MicroSD (Transflash).
SDHC cards are DS cards with a higher capacity of up to 32GB.