This is the world’s first hard drive released in 1956, it was made by IBM for their 305 RAMAC system. It held a whopping 4.4MB of data (enough to store a couple of mp3’s :)), the information was stored on fifty 24 inch magnetic dics inside the system. IBM built over 1000 305’s with production ending in 1961.
At least you didn’t have to worry about someone breaking in to your house and wandering off with your hard drive. ;) 

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Filed under: computers, technology