Hard Disk Drives: From Megabytes to the Terabyte Era and Beyond

The journey of hard disk drives (HDDs) spans more than 60 years, transforming from bulky, low-capacity storage devices to the high-density, cost-effective solutions of today. Originating in the 1950s, early HDDs were cabinet-sized and weighed nearly a ton, revolutionising data processing by enabling more immediate access to information for selected computer and mainframe systems. The true ‘triumph’ of the hard disk, however, began in the 1980s with the advent of PCs.

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