Actual size of this flash memory stick is 3.8gb instead of 64gb. Files recorded on the drive lose their properties, or spontaneously disappear.Test result (programm H2testw) :
Warning: Only 63908 of 63999 MByte tested.
The media is likely to be defective.
3.8 GByte OK (8021825 sectors)
58.5 GByte DATA LOST (122861759 sectors)
56.2 GByte corrupted (117894927 sectors)
35.5 MByte aliased memory (72896 sectors)
First error at offset: 0x00000000e78f8200
H2testw version 1.3
Writing speed: 5.80 MByte/s
Reading speed: 7.95 MByte/s