Just as vinyl is making a comeback after being usurped by digital media, cassette tapes could be set for a data storage resurgence. Remarkably, IBM and Sony developed a new magnetic tape capable of storing up to 330 terabytes worth of data. In fact, the tape can contain a record-breaking 201 gigabits per-square-inch.
Cassette tape data storage technology is now over sixty years old. Initially, old data tapes measured half-an-inch wide and stored up to 2MB. A far cry from IBM’s new technology, certainly. In fact, compare the 330TB to the largest hard drive – 60TB SSD or 12TB helium-filled HDD – to truly appreciate this feat.
To facilitate the 201 gigabits per-square-inch capacity, researchers developed the following new technologies:
Suddenly, magnetic tape is once again a viable storage medium. While the technology may prove more expensive than HDDs and SSDs, it now offers unrivalled capacities. IBM Fellow Evangelos Eleftheriou said:
“[T]he potential for very high capacity will make the cost per TB very attractive.”
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