The Sony HDR-PJ220 supports an SDXC compatible memory cards which is better than the SD compatible memory cards supported by most comparable spec camcorders that came out around the same time as it. In addition, this video camera support MS PRO, MS PRO Duo and MS Pro-HG Duo and SDHC compatible memory cardss. 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 in fact the best supported memory card type amongst all camcorders of a similar type and age to the HDR-PJ220.
A MicroSD (Transflash) compatible memory cards is the worst supported memory card type amongst similar types of video camera.
SDHC cards are DS cards with a higher capacity of up to 32GB.