The Sony HDR-CX730 supports an SDXC compatible memory cards which is better than most camcorders that came out around the same time as it. Most camcorders that were released more than two years ago support an SD compatible memory cards. This Sony video camera also support MS PRO Duo Mark 2 and MS Pro-HG Duo and SDHC compatible memory cardss. 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 in fact the best supported memory card type across all camcorders that are a comparable age to the HDR-CX730.
The worst supported memory card type across comparable types of camcorder is Not supported.
SDHC cards are DS cards with a higher capacity of up to 32GB.