Transcend Standard Class 4 cards are an ideal and cost-effective choice for storing digital data, with a minimum write speed of 4 MB/s and capacities ranging from 4 GB to 32 GB. All SDHC cards undergo extensive compatibility and reliability testing and come with a 30-year warranty. Each card features built-in ECC (Error Correction Code) error correction, which automatically detects and corrects errors during data transmission. Additionally, the card is equipped with a wear-leveling algorithm for extended lifespan.