You Won’t Believe What a 3.78GB Hard Drive from the Late 1970s Looks Like

In 1973, IBM introduced the IBM 3340 “Winchester” disk drive, the first significant commercial use of low mass and low load heads with lubricated platters. This technology and its derivatives remained the standard through 2011. This particular model weighs around 80-pounds, can store 3.78GB of data, and costs $250,000. It was used primarily by banks to store account data. Continue reading for more pictures and information.