Two big features that helped it accomplish this are ePMR and OptiNAND.Įnergy-assisted perpendicular magnetic recording ( ePMR) applies an electrical current that enables faster switching of the write head, allowing data to be written closer together and thus increasing data density per track. For this new round of releases, the company managed to cram one extra platter into every drive to increase its density.īecause Western Digital’s next-generation recording technology (whatever that may be) isn’t here yet, the company came up with a few new ways to increase density per platter. Western Digital’s 2.2TB platters aren’t actually new they were introduced in their 20TB HDDs released last year. And despite SSD’s rapidly increasing cost-effectiveness, they’re still outmatched when it comes to gigabytes per dollar compared to HDDs. Their storage density is ideal for applications that generate mountains of static data. The road to 22TB and beyondĪlthough SSDs are becoming the go-to for performance-sensitive applications like cloud computing, platter-based hard disk drives still have a solid place in the enterprise space.
The 22TB variant of the WD Purple Pro is available now for US$600 per drive on Western Digital’s website. Further, the drives include Western Digital’s AllFrame AI tech that supports 32 AI streams for deep-learning analytics while ensuring zero dropped frames.
It’s specifically designed to handle up to 64-single stream HD cameras and smart cameras that transmit multiple data streams.
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The WD Purple Pro series is suited for complex surveillance systems with multiple camera streams. 22TB WD Purple Pro The WD Purple Pro 22TB variant. In addition to high reliability, they’re also suited for handling archiving, building RAID arrays, and for file systems like the Zettabyte file system. The WD Red Pro line is designed for network-attached storage (NAS) applications in medium to large enterprise environments. 22TB WD Red Pro Western Digital Red Pro 22TB. They also feature monitoring electronics that correct linear and rotational vibrations in real-time.
Each drive is designed to handle workloads up to 550TB per year, with up to 2.5 million hours of mean-time between failure (MTBF). The WD Gold line is designed for heavy data centre and enterprise storage workloads with an added focus on reliability. These new drives extend the portfolio in three Western Digital lineups. In this round, the data storage giant has raised the limits of its HDD storage density by stuffing 10 2.2 TB platters into a single SATA drive, totalling a peak capacity of 22TB per drive. Western Digital has launched new high capacity drives for three of its enterprise hard disk drive families.