A compact flash card (CF) is
|“||[a] small, removable mass storage device that relies on flash memory technology &mash; a storage technology that does not require a battery to retain data indefinitely. There are two types of compact flash cards: Type I cards are 3.3mm thick; Type II cards are 5.5mm thick.||”|
- ↑ U.S. Department of Justice, National Institute of Justice, Electronic Crime Scene Investigation: A Guide for First Responders 51 (2d ed. Apr. 2008) (full-text).