Product Detail
Complies with SDA 3.0 specifications (host device must support SDXC for 64GB and 128GB)
speeds up to 50MB/sec read and up to 35MB/sec write (Speed is based on internal testing on SD 3.0 and UHS-I mode environment)
Performance may be lower depending on host device.
UHS-I (Ultra High Speed) Compliant
Class Speed 10
Damn, if only it was Micro.