Drop-resistant up to 2 meters, with a rubber protective bumper to endure bumps and shakes even while the drive is plugged in Pocket-sized drive has a built-in cable for convenient portability 2.5x faster than most portable hard drives with up to 400MB/s performance Solid state drive with no moving parts, purposefully designed and manufactured by WD for high reliability and dependability Works with PC and Mac computers, with included automatic backup software for Windows and compatibility for Time Machine (reformatting required)