The HDR-CX190 supports an SDXC memory card which is better than most camcorders of this age and spec. Most camcorders of a comparable age and type to it support an SD memory card. This Sony camcorder also support an MS PRO Duo and MS Pro-HG Duo 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 amongst all similar spec video cameras that are a comparable age to the HDR-CX190.
The worst supported memory card type amongst similar types of video camera is MicroSDXC.
SDHC cards are DS cards with a higher capacity of up to 32GB.