Essential 64GB Asus Transformer Book T100TA Micro SDHC Card is custom formatted for high speed, lossless recording! Includes Standard SD Adapter. (Class 10 Certified 38MB/sec) This Factory Direct MicroSDHC card is specifically designed for the Asus Transformer Book T100TA! Share your Data, Images, and All Content collections with friends, family and colleagues easily. Factory Direct's removable storage solution specifically designed for mobile phones with expansion slots. Its ultra-small size consumes very little power from your handset, to give you longer battery life on your phone. Now you can instantly move pictures between multiple devices for sharing and printing using this card as well.