Yes, all are Computer Hard Disk

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Here below is a 250 MB hard disk drive from 1979.


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Finally IBM discover new Hard Disk with more than 1Gb space in 1980. It was called the IBM 3380 and could store 2.52 GB. Its cabinet was about the size of a refrigerator and the whole thing weighed in at 550 pounds (250 kg)


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Check below pic for Hard Disk past to future journey.


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The difference between 1GB memory of 20 years ago and 1GB of now.


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