The Panasonic HC-W580 supports an SDXC memory card which is better than most small sensor size camcorders that are a similar age to it. Most recently released video cameras 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).
This camcorder's memory card type (SDXC) is actually the best supported memory card type amongst all similar spec camcorders that were launched in the last year.
The worst supported memory card type across comparable types of camcorder is SD.
SDHC cards are DS cards with a higher capacity of up to 32GB.