Offered, I tested the 32GB key ,. Plugged into my PC I wanted to copy a 25GB folder of various files: - Video - PDF, Word - Music - Photos The announced time was nearly 4 hours, poor transfer rate of 2MB / s After ten minutes when I decided to stop the transfer and remove the key it was so hot that I had to use a towel when removing the USB stick now on the media has taken off .. Since the key no longer works. The temperature made me fear that the USB port of the PC is damaged but I got lucky .. I do not advise ...