The amount of data need by companies to store is growing exponentially, but IT budgets remain flat. This was overcome with the help of HGSTs 6TB HDD, a low 5.3 idle watts, a reduced weight of 640g, and running at 4-5°C cooler, the new Ultrastar He6 lowers data center total cost of ownership (TCO) on virtually every level.
On November 4, 2013 HGST, a Western Digital company announced that it is shipping the 6TB Ultrastar He6 hard disk drive (HDD). Last year company announced the developing of helium filled hard disk.
The Ultrastar He6 drive is the world's first hermetically sealed helium-filled HDD which is cost-effectively manufactured in high volume. The breakthrough development of the hermetically sealed process is arriving just in time due to market requirements are colliding with HDD areal density constraints. We know helium is one-seventh the density of air, along with less turbulence and drag placed on the head arms and spinning disk stack. So the hard drive needs only a very less amount power and allowing seven disks to be contained within a standard 3.5-inch enclosure instead of the usual five. HGST refers to this as its 7Stac disk design.
Some of key features of helium filled HDD when compared to air filled HDD given by HGST is
>>Highest Capacity HDD on the Market; 6TB, Seven-disk Design, Providing the Best TCO.
>>Lowest Power Consumption with Best Watts-per-TB(23 percent lower idle power per drive and 49 percent better watts-per-TB).
>>Best Density Footprint in a Standard 3.5-inch Form Factor(50 percent higher capacity).
>>Lighter Weight than a Standard Five-disk 3.5-inch Drive (50g lighter even with two more disks, offering 50 percent more capacity and 38 percent lower weight-per-TB).
Company also adds it is available with SAS 6 Gb/s and SATA 6 Gb/s interface versions.
Source: HGST
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