The HC-V270 supports a better memory card type than most small sensor size video cameras that came out around the same time as it. This video camera supports an SDXC memory card, whereas most small sensor size video cameras that are a similar age to it support 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 video camera's memory card type (SDXC) is actually the best supported memory card type across all camcorders of this age and spec.
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.