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The picture below is the first hard drive that was launched in September 1956 with the IBM 305 RAMAC title.
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September 4, 1956 IBM introduced the world's first hard disk. Hard disk size of two refrigerators worth $ 250,000 now, with the ability of 5 MB, or just enough to keep the songs in MP3 format. Compare that with today's hard drives have a 0.6 cm wide with a capacity of 400 GB. Heavy hard drive is more than 1 ton.
Specifications:
IBM 305 RAMAC (Random Access Method of Accounting and Control) 1956
A. Capacity: 4.8 MB
2. rotational speed: 1,200 rpm
3. Rent: $ 3,200 per month (1957)
4. Business users first: Chrysler's Mopar Division (1957)
5. The number of units that have been produced: More than 1000 units by the year 1961
Posted in: Unique Facts
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