The HXR-NX100 supports an SDXC memory card which is better than most comparable spec camcorders that were released around the same time as it. Most big sensor size video cameras that are a comparable age to it support an SDHC memory card. In addition, this Sony video camera support an MS PRO Duo and SD 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).
An SDXC memory card is actually the best supported memory card type amongst all big sensor size video cameras that were released around the same time as the HXR-NX100.
Amongst comparable types of camcorder the worst supported memory card type is SD.
SDHC cards are DS cards with a higher capacity of up to 32GB.