The GC-PX100 supports an SDXC compatible memory cards which is better than the SDHC compatible memory cards supported by most video cameras that came out around the same time as it. This video camera also 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 video cameras of this age and spec.
An MS Pro-HG compatible memory cards 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.