New Standard for SD Cards with High Capacities (SDA Specification 2.0) The current SD Cards (standard, mini and micro) with capacities of up to 2GB use the file systems FAT12 or FAT16. Higher capacities (4…32GB) require a new file system (FAT32). These cards are called “HC” (high capacity). As the new memory cards are no longer compatible with the present applications, the new identification symbol will help the customer with the classification. Memory cards with this new standard as well as applications compatible with this new standard will be marked as shown here on the right. For the user it is important to know that it is possible to use the memory cards with lower capacities (up to 2GB) in the new applications. In contrast, it is not possible to use the new HC-cards in the old applications. Available types: 4GB