Western Digital Ultrastar DC HC560 20TB HDD Review

WD's Ultrastar DC HC560 is built on a standard 3.5in format but with a height of 26.1mm. The drive has a spindle speed of 7,200rpm and there is 512MB of cache.

The drive uses 6th Gen WD HelioSeal technology enabling the enclosure to hold nine 2.2TB aluminium discs along with eighteen heads, the DC HD560 is the first WD drive to use a nine disk platform. To aid in fitting nine discs and all the other associated stuff inside the enclosure, WD has used thinner components than previous generations of drives. These include the top cover, the disks themselves, disc spacers and the actuator arm. Even the PCB has been slimmed down some 42%.

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