The Sony NEX-EA50M supports an SDXC memory card which is better than most video cameras of this age and spec. Most comparable spec camcorders that were released more than two years ago support an SDHC memory card. This video camera also support a Memory Stick (MS) and SD 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).
An SDXC memory card is actually the best supported memory card type amongst all camcorders of a comparable type and age to the NEX-EA50M.
Amongst comparable types of video camera the worst supported memory card type is MS Pro-HG.
SDHC cards are DS cards with a higher capacity of up to 32GB.