Why is a hard drive called a Winchester?

The origin of the popular term "hard drive" is linked to the history of IBM's development of storage devices in the 1960s and 1970s.

Early data storage systems were bulky devices. In 1962, IBM announced the IBM 1311 system, where removable drives weighed 4.5 kg and had a capacity of 2.6 megabytes.

Technological advancements led to the creation of the IBM 3340 model in 1973. This drive provided up to 30 MB of volume and a data transfer speed of 885 kilobytes per second.

The term arose due to the similarity between the new device's index and the marking of a well-known rifle. The model carried the index "30-30", which corresponded to two disks with 30 MB each.

The Winchester rifle also had the index 30-30, indicating bullet caliber and powder weight. This coincidence made the name "Winchester" an enduring slang term for hard drives.