PQI CompactFlash 150X. Internal memory: 2048 MB, Flash card type: CompactFlash (CF), Read speed: 22.5 MB/s. Width: 42.8 mm, Depth: 36.4 mm, Height: 3.3 mm. Mean time between failures (MTBF): 3000000 h. Input voltage: 3.3/5 V. Operating temperature range (T-T): 0 - 70 °C, Storage temperature range (T-T): -25 - 80 °C, Operating relative humidity range: 8 - 95 %