Small memory cards may now be part of modern life, but not so long ago this wasn’t the case. The original hard disk drive stored 5 megabytes of data on 50 magnetic disks – each 24 inches in diameter. The IBM 350 RAMAC disk storage unit was operational in 1956. Now we talk about the size of memory cards in millimetres. Just take a look at the infographic below.

Further links to click on

Read about the SanDisk 128GB microSD memory card and buy it

The coming Zettabyte age

Could shouting help charge your mobile phone in future?

Find SD, micoSD and compact flash memory cards here

See the photo of the IBM 350 RAMAC disk mechanism (by Arnold Reinhold) on Wikipedia 

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