The Sony NEX-VG20 supports an SDXC memory card which is better than the SDHC memory card supported by most camcorders of a comparable age and spec to it. In addition, this video camera support MS PRO, MS Pro-HG Duo and MS Pro-HG Duo HX and SD 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 across all comparable spec video cameras that have been available for around the same time as the NEX-VG20.
A MicroSD (Transflash) memory card is the worst supported memory card type across comparable types of video camera.
SDHC cards are DS cards with a higher capacity of up to 32GB.