The Panasonic HC-V770 supports a better memory card type than most camcorders of this type and age. This video camera supports an SDXC memory card, whereas most big sensor size video cameras that were launched around the same time as it support an SDHC memory card. In addition, this Panasonic video camera supports an SD 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 actually the best supported memory card type across all camcorders that have been around for around the same time as the HC-V770.
An SD memory card 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.