The HC-WX979 supports an SDXC compatible memory cards which is better than most video cameras of a comparable type and age to it. Most video cameras that have been on the market for around the same time as it support an SD compatible memory cards. In addition, this Panasonic 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).
An SDXC compatible memory cards is actually the best supported memory card type amongst all camcorders of this age and spec.
A CFast compatible memory cards is the worst supported memory card type across similar types of video camera.
SDHC cards are DS cards with a higher capacity of up to 32GB.