ePMR

Western Digital is announcing the sampling of its new 22TB CMR and 26TB SMR hard drives today at its What's Next Western Digital Event. As usual, the hyperscale cloud customers will get first dibs on these drives. The key takeaway from today's presentation is that Western Digital doesn't yet feel the need to bring heat-assisted magnetic recording (HAMR) into the picture. In fact, WD is doubling down on energy-assisted PMR (ePMR) technology and OptiNAND (introduced first in the 20TB CMR drives). WD is also continuing to use the triple-stage actuator that it started shipping in the first half of 2020 in the new drives. It goes without saying that the new high-capacity drives are helium-filled (HelioSeal technology). The main change common to both drives...

Western Digital Spills Beans on HDD Plans: 30TB HDDs Planned, MAMR's Future Unclear

Western Digital this week said that its energy-assisted magnetic recording (ePMR) and OptiNAND technologies coupled with increased number of platters per hard drive would enable it to build HDDs...

41 by Anton Shilov on 12/2/2021

Western Digital Reimagines HDD - Flash Integration with OptiNAND

The last few years have seen plenty of new innovations come up in the hard-disk drive market. For quite some time, the HDD technology roadmap was shared industry-wide -...

51 by Ganesh T S on 8/31/2021

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