The GY-HMQ10 supports an SDXC memory card which is better than the SD memory card supported by most video cameras of a similar spec and age to it. In addition, this camcorder 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).
This video camera's memory card type (SDXC) is actually the best supported memory card type across all camcorders that have been available for around the same time as the GY-HMQ10.
A MicroSDXC memory card is the worst supported memory card type across comparable types of video camera.
SDHC cards are DS cards with a higher capacity of up to 32GB.