The Samsung HMX-F90 supports a better memory card type than most medium sensor size video cameras that came out around the same time as it. This video camera supports an SDXC memory card, whereas most camcorders of this type and age support an SD memory card. In addition, this camcorder supports an SDHC 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 in fact the best supported memory card type amongst all similar spec video cameras that are a comparable age to the HMX-F90.
The worst supported memory card type amongst similar types of video camera is MicroSDXC.
SDHC cards are DS cards with a higher capacity of up to 32GB.