How many megabytes did the first commercial hard drive hold?
Technology hard Data from 1956
Guess before you scroll — the answer is below
The answer
5 megabytes
Roughly 5.
The IBM 305 RAMAC of 1956 held 5 MB — about one photo from a modern phone — across fifty 24-inch platters. It weighed over a tonne and was leased for roughly $3,200 a month.
Where this number comes from
| Source | IBM archives |
|---|---|
| Figure refers to | 1956 |
| Last checked | |
| Unit | megabytes |
Numbers move. If this one has drifted from its source, let us know.
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