The Sony DCR-SX22 supports an SDXC compatible memory cards which is better than most camcorders that have been around for more than two years. Most camcorders that are a comparable age to it support an SD compatible memory cards. This video camera also support MS PRO Duo, MS PRO Duo HS, 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 amongst all similar spec camcorders that are a comparable age to the DCR-SX22.
The worst supported memory card type amongst similar types of video camera is Not supported.
SDHC cards are DS cards with a higher capacity of up to 32GB.