Designed specifically for use with SD devices, the SanDisk Ultra 128GB SDXC Class 10 100MB/s Memory Card features read speeds of up to 100 MB/s. Securely store up to 128GB of RAW and JPG photos as well as Full HD video. This incredible card is compatible with the UHS-I bus and features a speed class rating of Class 10 and U1, both of which guarantee a minimum write speed of 10 MB/s. Resistant to water, extreme temperatures, shock and X-rays, this card also features a built-in write protect switch to keep content safe.