Small flat, the USB is relatively imposing and condemn the adjacent USB ports if they are too close.
The weight is slightly larger than a USB key plastic but it's not really a handicap.
In terms of performance, there is no doubt it is well against a USB 3.0:
- Sequential Playback: 187.2 MB / s
- Sequential Write: 85.26 MB / s
- Reading 4k: 5.95 MB / s
- 4K Write: 0.27 MB / s
These data are consistent with the specifications made by Kingston.