Numbers, please! 3.75 megabytes of memory - The world's first hard disk
The IBM 350, the world's first hard disk, was released in 1956. As the RAMAC computer's memory, it had space for 3.75 ...
TechSpot6y
The first 5MB hard drive weighed approximately...
Shipped in September 1956, the first 5MB hard disk unit weighed over a ton (approximately 2,200 pounds) and was used in the IBM 305 RAMAC, the first commercial computer to feature a moving-head ...