The JVC GZ-R10 supports an SDXC memory card which is better than the SDHC memory card supported by most big sensor size video cameras that are a comparable age to it. 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 big sensor size video cameras that have been available for a comparable time to the GZ-R10.
Amongst comparable types of video camera the worst supported memory card type is MS Pro-HG.