The 100 TB disk drive is a long time coming
Briefly

Seagate is pursuing a path toward 100 TB disk drives utilizing 10 TB per platter technology, primarily through HAMR (heat-assisted magnetic recording). While HAMR supports higher storage densities at 1 Tb/in² using laser heating, it has not yet achieved mass production. Seagate currently offers 30 TB drives but has struggled with consistent advancements since their initial predictions in 2012. While competitors are advancing their technologies (like MAMR), Seagate's setbacks raise questions about its technology roadmap and future capacity improvements.
HAMR technology has proven extraordinarily difficult to bring into mass production, causing delays in achieving the promised capacity advancements and technology developments.
Seagate's commitment to HAMR shows potential but the technology has consistently faced hurdles which have prevented successful mass production despite initial optimistic projections.
Despite Seagate's advancements, competitors like Western Digital and Toshiba are closing the gap with their own density-enhancing technologies, leading to a highly competitive landscape.
The challenges associated with HAMR are significant and have left Seagate's promises of higher capacities unmet, raising concerns among investors about the viability of its technology roadmap.
Read at Theregister
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