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jan 1, 1956 - The Hard Disk Drive

Description:

Invented by Reynold B. Johnson
It had 50 24-inch discs with a total storage capacity of 5 million characters
When first invented the price ranged from $81,000 to $142,400

Added to timeline:

5 months ago
0
0
109
CBA

Date:

jan 1, 1956
Now
~ 62 years ago
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