PC Expo: Pretec has announced what is now the largest flash memory Compact Flash card (clearly the 1 GB Microdrive is larger, but it is a hard drive device). There's also an "industrial and military grade" version, "Industrial and Military grade 640MB CF card is also available from Pretec. Designed with precision mechanics, and full metal protection, the breakthrough product sustains a wide range ( -40°C~125°C) working temperature and offers ultimate level of new data protection and security features to prevent user's image files, software, crucial data and products from being damaged."