100% Original ADATA Micro SD Card 64GB Memory Card 32GB C10 Micro SDHC Card 16GB Class 10 Flash Card U1 TF Card for Smartphone

About capacity:

16GB = approximately 14GB-15GB

32GB = approximately 28GB-30GB

64GB = approximately 56GB-60GB

This is calculation difference between manufacturer and your PC, please Google ‘Memory card capacity’ to get more information.

Your PC says 1GB = 1.073741824 Billion bytes where Market Defines 1GB = 1.00 Billion bytes.

Note:

Speed based on internal testing. Actual performance may be lower depending on the device, interface, usage conditions and other factors.

1MB=1,000,000 bytes. 1GB=1,000,000,000 bytes. Actual user storage less.