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6TB and 8TB Sandisk SSDs coming 2016

6TB and 8TB Sandisk SSDs coming 2016

by Vyncent ChanJuly 26, 2015

Good news right? Now for the bad news.. They are datacentre-class, not consumer oriented drives.The currently available SanDisk Optimus Max 4TB solid-state drive for hyperscale datacentres is designed to replace 10K and 15K rpm hard disk drives and provide unique combination of high-density storage, SSD-class performance and support for SAS infrastructure. The drive was not developed with high performance in mind: it features sequential read/write performance of up to 400MB/s and can perform 75K or 15K random read and write input/output operations per second (IOPS). By comparison, even budget SSDs reach up to 550MB/s read speeds.


The 6TB and 8TB solid-state drives are currently in development. The only thing revealed about them is that they will be based on Toshiba’s MLC NAND flash memory based on 15nm process node. Sandisk has previously implied that the 6TB and 8TB drives will be introduced in 2015, but the company now plans to release them in 2016. For datacentre-class deployments, the drives have to be qualified, and currently only one major customer is using the 4TB drives, while several other OEMs are in the process of qualifying them.



While the upcoming 6TB and 8TB Sandisk SSDs will continue to use MLC NAND, future hyperscale SSDs from SanDisk will rely on three-dimensional (3D) vertically-stacked BiCS NAND, which is more cost-efficient to produce and which provides higher densities, performance and reliability. 3D NAND will help to drive down per-gigabyte costs of SSDs to levels comparable with enterprise-class HDDs, SanDisk and Toshiba believe. 3D NAND has already been used for consumer drives by Samsung to manufacture their 2TB SSDs.




Pokdepinion: Just waiting for the technology to trickle down to consumer-class drives at affordable prices.


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About The Author
Vyncent Chan
Technology enthusiast, casual gamer, pharmacy graduate. Strongly opposes proprietary standards and always on the look out for incredible bang-for-buck.

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