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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.
(Score: 2) by takyon on Thursday August 11 2016, @01:46PM
Putting out higher capacities with newer and denser varieties of vertical NAND is definitely how SSD prices will be driven down.
Slickdeals is down so I can't get the "good" prices, but a quick search finds that 1 TB SSDs are just under $300 (I would guess you could find it as low as $220 on sale), and 2 TB SSDs are slightly above $600. 4 TB SSD prices are still in la-la-land for now.
New generations of 3D NAND may lower $/GB as much as 30%. We can also see a clear path for 3D NAND density to double a few times (that includes an increase in layers to ~96-128, and string stacking [theregister.co.uk] to stack 2-3 dies), whereas pre-3D NAND was facing insurmountable endurance issues.
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