Western Digital has announced 22 TB CMR and 26 TB SMR hard drives with 10 drives

Western Digital announced yesterday at its What's Next Western Digital event two new 22 TB CMR and 26 TB SMR hard drives with 10 platters and ePMR technology.

western digital

The company does not yet want the need to bring the magnetic with heat (HAMR). In fact, WD ups the ante with the technologies -assisted PMR (ePMR) and OptiNAND.

ePMR technology, quite simply, is a technique that allows more bits per inch to be added by applying an electrical current to the main pole of the recording head across the of of registration.

Η OptiNAND technology respectively integrates an iNAND Universal Flash Storage (UFS) flash drive (EFD) on rotating disk drives (platter). To be clear, OptiNAND is not a flash cache, but a section of flash memory used to store meta.

In addition, young people Western Digital's high-capacity drives are filled with helium (HelioSeal technology) to reduce the friction of moving parts. The main change common to both discs is the company's shift to 10-plates.

The 22 TB Ultrastar DC HC570 and 26 TB Ultrastar DC HC670 are currently being tested on cloud computers. For ordinary mortals the units will be available next quarter. Their prices are not known yet.

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western, digital, hadr, disk, optiNand, helioseal, epmr

Written by Dimitris

Dimitris hates on Mondays .....

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