Hard disk drive

摘要

The present invention relates to a hard disk drive, and particularly applies to a removable hard disk drive mountable in portable devices so that much of information personally owned can be recorded and carried. The hard disk drive of the present invention is held in video devices, records and reproduces video data and other data at a data transfer rate of 30 Mbps or more, and provides a capacity of 2 GB or more for a hard disk 1.8 inches or less in diameter by so-called sample servo.