In 1956, IBM shipped one of the world’s first commercial hard drives—a massive 5-megabyte storage unit so large it required a forklift to move and a full truck to transport. This enormous machine marked the beginning of digital data storage, even though it held less information than a single high-resolution image stores today. • The drive was part of IBM’s RAMAC 305 system, the first computer to use a magnetic hard disk instead of punch cards. • It weighed over 900 kg, used fifty 24-inch spinnin