What is this ?

SCROLL DOWN FOR THE ANSWER
Its a hard disk at 1956....
The Volume and Size of 5MB memory storage in 1956.
In September 1956 IBM launched the 305 RAMAC,
The first computer with a hard disk drive (HDD).
The HDD weighed over a ton and stored 5MB of data.
Let us start appreciating your 4 GB jump drive
Read more Information On Hard disk click here