The same authentic Samsung EVO PLUS 64GB U3 is about 50% cheaper when I purchase it online.

Best Price for Samsung EVO PLUS 64GB U3

Performance

EVO 64GB U3
Read : up to 100MB/s with UHS-I interface
* Actual speed may vary depending on use host device conditions and environment.
* Write speed is slower than transfer speed

EVO PLUS 64GB U3
Read : up to 100MB/s with UHS-I interface
Write : up to 60MB/s with UHS-1 interface
* Actual speed may vary depending on use host device conditions and environment.

Speed Class : Grade 3 (U3), Class 10