Seagate First in Achieving Milestone Storage Density of 1 Terabit Per Square Inch


Seagate First in Achieving Milestone Storage Density of 1 Terabit Per Square Inch

Seagate is the first hard drive maker to achieve the milestone storage density of 1terabit (1 trillion bits) per square inch.

Thanks to heat-assisted magnetic recording (HAMR), Seagate has managed to reach this landmark data density.

The maximum capacity of today’s 3.5-inch hard drives is 3TB, at about 620 gigabits per square inch, while 2.5-inch drives top out at 750GB, or roughly 500 gigabits per square inch. The first generation of HAMRdrives, at just over 1 terabit per square inch, will likely more than double these capacities – to 6TB for 3.5-inch drives and 2TB for 2.5-inch models. The technology offers a scale of capacity growth never before possible, with a theoretical areal density limit ranging from 5 to 10 terabits per square inch – 30TB to 60TB for 3.5-inch drives and 10TB to 20TB for 2.5-inch drives.

Source: Seagate

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