The Zoom Q4n supports an SDXC memory card which is better than most small sensor size camcorders that were launched in the last year. Most newly released small sensor size camcorders support an SDHC memory card. In addition, this video camera supports an 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 new small sensor size camcorders.
The worst supported memory card type across similar types of video camera is SD.
SDHC cards are DS cards with a higher capacity of up to 32GB.