The Samsung F90BN supports an SDXC compatible memory cards which is better than most camcorders of this spec and age. Most medium total megapixels camcorders that came out around the same time as it support an SDHC compatible memory cards. This 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).
An SDXC compatible memory cards is in fact the best supported memory card type across all camcorders of this spec and age.
The worst supported memory card type across similar types of video camera is MicroSD (Transflash).
SDHC cards are DS cards with a higher capacity of up to 32GB.