The Sony PXW-X70 supports an SDXC memory card which is better than the SDHC memory card supported by most video cameras that were launched more than two years ago. In addition, this 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 in fact the best supported memory card type across all camcorders of a similar type and age to the PXW-X70.
An MS Pro-HG 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.