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The Massive Memory
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TechnologyMar 22, 2026

The Massive Memory

The Massive Memory IBM's first hard drive arrived in 1956. The RAMAC 305 weighed 2,140 pounds. It stored exactly 3.75 megabytes of data. The device cost $34,500 per month to lease. That's $300,000 in today's money. Fifty spinning metal disks created the storage. Your phone stores 100,000 times more data.

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