Well – Belated Birthday !
On Sept 13th, 1956 – The First IBM Hard Drive – RAMAC (Random Access Method of Accounting and Control) – Drive was Shipped and Installed. – This date was the begining of it all.
For a comparison:
Your MP3 Player –
Size: 2" x 1" x 5" Aprox depending on player.
Cost: $300 dollars
Capacity: 40 GB (Enough for Several Thousand songs 7,500 Again Aprox)
OR USB Drive:
Size: 1" x .25" x .5"
Capacity: 2 GB or 2,000 MB Aprox
The First RAMAC Drive:
Size: This thing weighed a ton – Yes, a full ton and the size of two large refrigerators.
Cost: Only $250,000 in todays dollars PER Year (This device was leased from IBM)
Capacity: 5 Million 7-Bit Characters or about 4.4 MBin todays standards or (About 1 to possibly 2 MP3 songs)
Note: This drive did require an air compressor to protect the moving heads.
this drive had 50 24 Inch – iron-oxide-coated disks
This was the first device that allowed true random access to the data – before this all data was stored on data tapes and had to wind backwards and forwards to get to the requested data.
This is what it would have looked like: