The NEX-VG30 supports an SDXC memory card which is better than the SDHC memory card supported by most video cameras of a comparable age and type to it. This Sony video camera also support MS PRO Duo Mark 2 and MS Pro-HG Duo 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 in fact the best supported memory card type across all comparable spec camcorders that have been available for a similar time to the NEX-VG30.
A MicroSD (Transflash) memory card is the worst supported memory card type amongst comparable types of video camera.
SDHC cards are DS cards with a higher capacity of up to 32GB.