Apacer's Compact Flash cards that comply with CFA 4.1 specification 5 lock the write-protect switch is designed and built ATA secure erase function that displays advanced wear leveling and block management intelligent power failure recovery impact resistance, vibration and low power consumption model CompactFlash5 interface to PC Memory card mode; PC card I / O mode; true IDE mode 50-pin connector transfer mode PIO 6; MWDMA 4; UDMA 5 NAND flash memory type multi-unit capacity 4 GB ~ 64 GB conventional capacity 8 GB ~ 32 GB continued ability to read (50MB / s) sustained write capability (18MB / s) standard operating temperature 0 ° C ~ + 70 ° C extended operating temperature -40 ° C ~ + 85 ° C Storage temperature -40 ° C ~ + 100 Shock 50G 15G Vibration ° C Humidity 5% to 95%