The Samsung QF20 supports a better memory card type than most medium sensor size video cameras that are a similar age to it. This Samsung video camera supports an SDXC memory card, whereas most medium sensor size video cameras that have been around for around the same time as it support an SD memory card. This Samsung camcorder also 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).
This video camera's memory card type (SDXC) is in fact the best supported memory card type amongst all camcorders of a comparable age and spec to the QF20.
A MicroSDXC memory card is the worst supported memory card type across similar types of video camera.
SDHC cards are DS cards with a higher capacity of up to 32GB.