256GB is massive storage for a small portable flash drive, but this particular flash drives performs very slow.
It can take several minutes or hours to copy files to and from this little drive.
Audio and video files should work fine since they stream slowly while playing, but photos and saved documents will have a noticeable lag.
This drive is good for:
Backups, and bringing photos, videos, and music files with you on a trip.
Not recommended for:
Everyday use, since it runs so slow.