SD Card Product SD CardGrade U1/ U2/ U3NAND Type TLC/ MLCCapacity 4GB/ 8GB/ 16GB/ 32GB/ 64GB/ 128GB/ 256GBWarranty 3 years microSD Card Product microSD CardGrade U1/ U2/ U3NAND Type TLC/ MLCCapacity 4GB/ 8GB/ 16GB/ 32GB/ 64GB/ 128GB/ 256GBWarranty 3 years microSD Card Product microSD CardGrade U1/ U2/ U3NAND Type TLC/ MLCCapacity 4GB/ 8GB/ 16GB/ 32GB/ 64GB/ 128GB/ 256GBWarranty 3 years UDP/ miniUDP/ OTG Product UDPGrade 2.0/ 3.0NAND Type Ink/ PartialCapacity 4GB/ 8GB/ 16GB/ 32GB/ 64GB/ 128GBWarranty 1 year