Toshiba Micro 8GB Secure Digital Micro SD Class 10 UHS-I Memory Card (PFM008U-1DCK) Ideal for mobile phones, tablets, and other microSD-compatible devices Class 10 UHS-I Fast transfer speed up to 30 MB/s read and 10 MB/s min write, twice as fast as class 4 microSDHC Fast transfer speed up to 30 MB/s read2 and 10 MB/s min write, twice as fast as class 4 microSDHC5 Plug and Play with no software to install. Provides peace of mind with Toshiba 5-Year Limited Standard Warranty