Kingston Technology 4GB Ultimate CompactFlash 266x w/Recovery s/w. Internal memory: 4096 MB, Flash card type: CompactFlash (CF), Read speed: 45 MB/s. Width: 36.4 mm, Depth: 42.8 mm, Height: 3.3 mm. Operating temperature range (T-T): 0 - 60 °C, Storage temperature range (T-T): -20 - 85 °C