Micro SD card Samsung 128GB EVO Plus MB-MC128SA/EU Read : up to 160MB/s Write Micro SD card Samsung 64GB EVO Plus MB-MC64SA/EU Read : up to 160MB/s Write : Lower than Read Speed* Read/Write speed requires compatible devices capable of reaching such speeds and it may vary among different host devices and testing conditions. * For products incompatible with UHS-I interface, the speeds may vary subject to different interface conditions U1, V10, A1 UHS-I, compatible to UHS interface