The Sony HDR-PJ650 supports a better memory card type than most camcorders of this type and age. This Sony video camera supports an SDXC memory card, whereas most camcorders of a comparable spec and age to it support an SDHC memory card. In addition, this Sony camcorder support MS PRO Duo 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 video cameras that came out more than two years ago.
The worst supported memory card type across similar types of camcorder is MS Pro-HG Duo.
SDHC cards are DS cards with a higher capacity of up to 32GB.