The HDR-PJ200 supports an SDXC memory card which is better than most medium sensor size camcorders that are a similar age to it. Most medium sensor size camcorders that are a similar age to it support an SDHC memory card. In addition, this Sony camcorder 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).
An SDXC memory card is actually the best supported memory card type across all camcorders of a comparable type and age to the HDR-PJ200.
A MicroSDXC memory card is the worst supported memory card type amongst comparable types of camcorder.
SDHC cards are DS cards with a higher capacity of up to 32GB.