Seagate introduces HDDs as fast as SSDs

Thanks to some engineering wizardry involving existing technologies, Seagate has introduced a new line of hard disk drives that can match the throughput of a solid state drive.

The drives are part of Seagate’s Mach.2 line, called Exos 2X18. This is the second generation of the Mach.2, coming in 16TB and 18TB capacity and support either SATA3 6Gbps or SAS 12Gbps interfaces.

The drive is essentially two drives in one, with two sets of platters served by two separate actuators, the arms with the drive heads, that work in parallel. So the 16TB/18TB capacity is achieved through two 8TB/9TB drives packed into one 3.5-inch form factor. The Mach.2 line is filled with helium to reduce friction.

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