The HDR-CX260 supports an SDXC memory card which is better than most camcorders of this spec and age. Most medium sensor size video cameras that were launched around the same time as it support an SD memory card. This camcorder also support MS PRO Duo Mark 2 and MS Pro-HG Duo and SDHC 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 camcorder's memory card type (SDXC) is in fact the best supported memory card type amongst all medium sensor size video cameras that have been around for around the same time as the HDR-CX260.
Amongst comparable types of camcorder the worst supported memory card type is MicroSDXC.
SDHC cards are DS cards with a higher capacity of up to 32GB.