The HDR-CX280 supports an SDXC memory card which is better than the SDHC memory card supported by most video cameras that came out around the same time as it. In addition, this video camera support MS PRO Duo 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).
This video camera's memory card type (SDXC) is actually the best supported memory card type amongst all video cameras of this age and spec.
Amongst comparable types of video camera the worst supported memory card type is MicroSDXC.
SDHC cards are DS cards with a higher capacity of up to 32GB.