Introduction The evolution of storage devices has been a remarkable journey, transforming data handling. From punch cards to cloud storage, key milestones include magnetic tape, hard disk drives, floppy disks, CDs, DVDs, flash memory, and solid-state drives. Cloud storage revolutonized remote access and scalability. External hard drives provided additional storage, and SSDs improved speed and efficiency. Ongoing advancements like SMR, helium-filled drives, 3D NAND, and optical storage continue to push boundaries. Each innovation made data storage more efficient, accessible, and reliable, shaping the digital world's future. Technologies used in past for storing data Punch Cards: Data Storage's Starting The era of punch cards marked the early days of computing and data storage. Invented in the late 18th century by Joseph Jacquard, punch cards were used to automate the weaving process in looms. Later, they found their way into early computers as a means of data entry and proces