Samsung PRO Plus 160MB/s Read 120MB/s Write speed Class 10 / U3 4K UHD Micro Memory Cards

Product Type：microSDXC Memory Card Family Line： PRO Plus Application： Mobile phone, Smartphone, Tablet, etc Capacity： 128 256GB (1GB=1Billion byte)* Actual storage capacity may be lower than the labeled capacity. Part of the storage may be used for system files and other storage control purposes. Speed： 128GB 256GB Read : up to 160MB/s Write : up to 120MB/s * 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