Apacer Industrial Secure Digital 3.0 card is ideal for its high performance, good reliability and wide compatibility, not to mention that it’s well adapted for hand-held applications in semi-industrial/medical markets already. The H1-M series providing wide range capacities from 4GB to 128GB fully compliant to SD3.0, and SD2.0 specifications are built with MLC NAND Flash and the latest firmware including read disturb , wear leveling & bad block management algorithms .Furthermore, this product also has an optional -45C to 85C extended temperature range version to withstand the extreme environmental condition.