62 years ago, IBM shipped the first commercial HDD. It only stored 5MB. - HardwareZone.com.sg
When was the first disk drive (hard disk drive) invented? What was its capacity? - Quora
IBM 350, the first computer disk drive, 1956. : r/RetroFuturism
O primeiro disco rígido IBM 350 Disk Storage Unit de 1956 – MCC - Museu Capixaba do Computador
History of IBM magnetic disk drives - Wikipedia
The First Disk Drive: RAMAC 350 - CHM Revolution
Magnetic Hard Disks - CHM Revolution
World's first commercial Hard Drive - IBM 350 (RAMAC) - YouTube
IBM 305 RAMAC - Wikipedia
IBM Archives: IBM 1405 disk storage
Plat4om on X: "Today in 1956 @IBM announced IBM 350 Disk Storage Unit Model 1, the first commercial hard drive. It was the first commercial storage unit to use magnetic disk storage,
IBM 350 RAMAC Disk File - Mountain View, California - Engineering Landmarks on Waymarking.com
BrandQuantum - The IBM 350 was the first commercial storage unit to use magnetic disk storage. The unit, which was about the size of two refrigerators and weighed a ton could store
History (1962): IBM 1301 - StorageNewsletter
First Commercial Hard Drive – How Far We've Come | This Day in Tech History