The first 1 GB Hard Drive was introduced by IBM 3380 in June 1980. It uses film head technology and has a unit capacity of 2.52 gigabyte with a data transfer rate of 3 megabytes per second. The average access time was 16 ms. The price tag of the hard drive is $40,000. Due to tribology problems encountered between the heads and media, the first units did not ship until October 1981.

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