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Title    Toshiba Envisions a 100 TB QLC SSD in the "Near Future"
Date    Thursday August 11 2016, @11:32AM
Author    martyb
Topic   
from the TLA++ dept.
https://soylentnews.org/article.pl?sid=16/08/11/020206

takyon writes:

Forget the 60 TB SSD. Toshiba is teasing a possible 100 TB SSD:

The Flash Memory Summit saw Toshiba deliver a presentation about quad level cell (QLC) technology – adding substantially to the prospect of a product being delivered in the "near future". We have heard about this QLC (4bits/cell NAND technology) quite recently.

After Seagate tantalised us with a 60TB SSD, along comes Toshiba with a 100TB QLC SSD concept.

Flash Memory Summit attendees saw Toshiba presenters put flesh on the bones and envisage a QLC 3D SSD with a PCIe gen 3 interface and more than 100TB of capacity. It would have 3GB/sec sequential read bandwidth and 1GB/sec sequential write bandwidth. It would do random reading and writing at 50,000 and 14,000 IOPS respectively. The active state power consumption would be 9 watts, the same as a 3.5-inch, 8TB SATA 6Gbit/s disk drive, while the idle power consumption be less than 100 mWatts, compared to the disk drive's 8 watts.

Even if the "near future" isn't so near, or the final capacity does not end up at around 100 TB, it is still interesting to see 3D NAND technology enabling a serious push for 4-bits-per-cell NAND, which would normally face endurance issues.


Original Submission

Links

  1. "takyon" - https://soylentnews.org/~takyon/
  2. "the 60 TB SSD" - https://soylentnews.org/article.pl?sid=16/08/09/2021254
  3. "quad level cell (QLC)" - http://www.theregister.co.uk/2016/07/28/qlc_flash_primer/
  4. "QLC (4bits/cell NAND technology)" - http://www.theregister.co.uk/2016/07/18/tosh_qlc_flash_chips_getting_closer
  5. "60TB SSD" - http://www.theregister.co.uk/2016/08/09/flashy_seagate_demonstrates_monster_60tb_ssd/
  6. "Original Submission" - https://soylentnews.org/submit.pl?op=viewsub&subid=15239

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