The GZ-R315 supports an SDXC memory card which is better than the SD memory card supported by most camcorders that were launched more than a year ago. In addition, this video camera supports an SDHC 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 in fact the best supported memory card type amongst all camcorders of a comparable type and age to the GZ-R315.
Amongst similar types of camcorder the worst supported memory card type is SD.
SDHC cards are DS cards with a higher capacity of up to 32GB.