Kingston DataTraveler 64GB R30G2 memory stick USB 3.0 (120Mbps) (Personal Computers)
The Kingsten USB stick is small compared to its predecessor. Allegedly, even waterproof, which I have not tested, but what could be more practical in heavy rain. + Very fast write 35-42MB / s (allegedly up to 45 MB / s) + Good workmanship + By rubber