The HDR-PJ580 supports an SDXC memory card which is better than most camcorders that were launched around the same time as it. Most video cameras that have been on the market for around the same time as it support an SDHC memory card. In addition, this Sony video camera support MS PRO Duo Mark 2 and MS Pro-HG Duo and SD memory cards. 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 video cameras of this age and type.
Across similar types of video camera the worst supported memory card type is MicroSD (Transflash).
SDHC cards are DS cards with a higher capacity of up to 32GB.