Toshiba 32GB Micro SDHC Class 10 40MB/s (PFM032U-2DCK) As the inventor of NAND Flash and world's most experienced NAND Flash manufacturer, Toshiba's removable storage solutions offer industry-proven quality and reliability with leading speeds, performance, and capacities. Ideal for expanding storage on any micro SD or SD device, such as mobile phones, tablets, and other micro SD-compatible devices. Fast transfer speed up to 40 MB/s read and 10 MB/s min write, twice as fast as class 4 micro SDHC devices Backed by a 5 year Toshiba Standard Limited Warranty