The Legria HF M46 supports an SDXC compatible memory cards which is better than the SD compatible memory cards supported by most comparable spec video cameras that have been available for a similar time to it. This video camera also supports an SDHC 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 actually the best supported memory card type amongst all comparable spec camcorders that came out around the same time as the Legria HF M46.
A MicroSD (Transflash) compatible memory cards is the worst supported memory card type amongst similar types of camcorder.
SDHC cards are DS cards with a higher capacity of up to 32GB.