The GZ-RX510 supports a better memory card type than most small total megapixels video cameras that are a comparable age to it. This video camera supports an SDXC compatible memory cards, whereas most small total megapixels video cameras that have been on the market for a comparable time to it support an SD compatible memory cards. In addition, this camcorder supports an SDHC compatible 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).
This camcorder's memory card type (SDXC) is in fact the best supported memory card type across all similar spec video cameras that were released around the same time as the GZ-RX510.
An SD compatible memory cards 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.