Not much more than USB 2 and it backwards compatible....
The World's Smallest USB 3.0 Mobile Hard Drive. It combines the fastest interface on the market with perfect portability.
500GB HDD Holds:
Up to 142,000 digital photos
Up to 125,000 songs (MP3)
Up to 12,000 songs (uncompressed CD quality)
Up to 38 hours of Digital Video (DV)
Up to 200 hours of DVD quality video
Up to 60 hours of HD video
Ultra-fast USB 3.0 performance
Made of resistant aluminum