The Canon Legria HF R76 supports an SDXC memory card which is better than the SDHC memory card supported by most similar spec camcorders 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).
An SDXC memory card is actually the best supported memory card type across all recently released comparable spec video cameras.
An SD memory card is the worst supported memory card type amongst similar types of camcorder.
SDHC cards are DS cards with a higher capacity of up to 32GB.