16GB microSDHC Class 4 Memory Card with Adapter microSD Series ADATA ADATA is pleased to introduce the microSDHC (Secure Digital High Capacity), whose new interface enables faster transfer rates and expands upon the previous maximum capacity of 2GB The ADATA microSDHC Class 4 provides cellular phones even more memory storage for multimedia, business and personal data The microSDHCs 4 MB/s transfer rate places it as the top choice for micro storage devices and a must-have for your mobile life.