Transcend's 8GB SDHC Memory Card Class 6 is designed to meet the high-capacity memory demands of SDHC devices such as digital SLR cameras and digital camcorders. Class 6 compliance means that it has a guaranteed minimum write speed of 6MB/sec. This class of Transcend cards features an ECC (Error Correcting Code) to automatically detect and correct errors during data transfer, preventing data corruption and missing files.