· This is the calculation difference between the manufacturer and our PC, please Google 'memory card capacity' to get more information
Advice:
How to check the capacity and speed of the memory card?
1) Please use quality USB 3.0 card reader to check all memory cards by H2testw On PC Must pass Real H2testw memory card with no error
2) Do not use cheap card reader to test Micro SD card, Micro SD card speed will slow down with low quality card reader.
3) The speed of the Micro SD memory card is greatly affected by the card reader and capacity you choose, USB port, etc. 100% low quality device will slow down the card speed, 1MB = 1000KB!