The HC-V550 supports a better memory card type than most small sensor size camcorders that have been on the market for around the same time as it. This Panasonic video camera supports an SDXC memory card, whereas most small sensor size camcorders that have been around for a comparable time to it support an SD memory card. In addition, this video camera 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 actually the best supported memory card type amongst all camcorders of a comparable age and spec to the HC-V550.
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.