Transcend 64gb microsdhc flash memory card product details transcend 64gb microsdhc flash memory card boost the memory capacity of your smartphone using the transcend 64gb microsdhc flash memory card this memory card comes with its own adapter allowing you to transfer data from your smartphone to your pc it is a class 10 flash memory card with around 90mbs read speed and up to 45mbs write speed pick your transcend 64gb microsdhc flash memory card today what it is and why you need it clas