Storage has come a long way since the first hard disk drive shipped in 1956, with no end in sight to the growth in unit shipments and data storage needs.
By Chris Preimesberger
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3. Seagate's first hard drive, built in 1979, was a 5.25-inch model with a total capacity of 5MB and platters spinning 3,600 times per minute. The drive could read or write more than 12 records, spread randomly over the disk, in less than a second. In 200