The Panasonic HC-VX989 supports an SDXC compatible memory cards which is better than the SDHC compatible memory cards supported by most camcorders that were released more than a year ago. In addition, this camcorder supports an SD 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).
An SDXC compatible memory cards is actually the best supported memory card type across all big total megapixels camcorders that have been around for around the same time as the HC-VX989.
The worst supported memory card type amongst comparable types of video camera is SD.
SDHC cards are DS cards with a higher capacity of up to 32GB.