Premier microSDHC/SDXC UHS-I Class 10 U1 memory cards have higher capacity and provide consumers with the faster read speeds of UHS-I specification at the price of a Class 10 card. Sequential reads are up to 50 MB/second, and write speeds reach the UHS-I speed class 1 specification. They are remarkably suitable for users who enjoy high definition photography and video recording. Running multiple applications simultaneously causes no loss in read/write speed.
Standard: SDA 3.0
Dimensions (L x W x H): 15 x 11 x 1.0mm (W x H x D)
Performance: Seq Read/Write rate up to 50 / 10 (MB/s)**