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1725 The punch cards are firstly used.
1846 Punched tape is being used.
1902 A rudimentary version of the electron tube is invented.
1928 Magnetic tape is invented by Fritz Pfleumer for recording audio files.
1923 Magnetic drum memory is invented, in Austria by Gustav Tauschek. 500,000 Bits of storage or 63.5 Kilobytes.
1954 Invention of the hardrive by IBM, the first one stored 3.74MB.
1971 The 8 inch Floppy Disk was first introduced in the market. Stored 79.75KB.
1976 5 1/4 inch Floppy Disk was introduced into the market. Stored 87.5KB.
1982 First 3 inch drive format realeased. It could store 360KB of data.
1989 The 2 inch Floppy was released it stored 720KB.
1978 The first commercial Disc format, Laser Disc was released into the market. The storage capacity was 64 min of high quality video per side. The size 12 inches in diameter.
1960 The first commercial cassette players are released, they could store 45min of audio per side.
1997 The first CD-RW was released. It could store 700MB.
1990 The First CD-R was released with capacity of 700MB.
1976 The first widely commercial SSD appeared in the market called BULK CORE. It could store 2MB of data in a period of 10 years at fast read and write speeds for the time.
2000 First Thumb Drive was released by IBM. It could store 8MB of data.
2003 First Blu-Ray Disc released into the market. It could store 25GB per layer.
2008 The first Holographic Versatile disk released. This format stores around 3.9 Terabytes.
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