The Panasonic HC-W570 supports an SDXC memory card which is better than most video cameras of this age and spec. Most small sensor size camcorders that have been on the market for a similar time to it support an SD memory card. In addition, this Panasonic video camera supports an SDHC 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 actually the best supported memory card type across all small sensor size camcorders that are a comparable age to the HC-W570.
The worst supported memory card type across similar types of camcorder is SD.
SDHC cards are DS cards with a higher capacity of up to 32GB.