Phison turnkey SSDs which are based on 3D QLC NAND has been demonstrated at Computex 2019.
There controllers, PS3111-S11T controller, PS3113-S13T controller and PS5013-E13T controller have been confirmed to use on the drives.
Of course, there will be other improvements in the future.
Computex Taipei 2019 had passed for almost a month.
Some of them have been mentioned in our previous news.
But, Phison turnkey SSD which is based on 3D QLC NAND is not included.
In this post, we will fill this gap.
Of course, this will further push down alreadydropping SSD prices.
It is said that the SSDs are using QLC NAND from both Micron and Toshiba.
What exact are these three controllers?
The PS3111-S11T controller and PS3113-S13T controller are the two SATA controllers.
They are aimed at the entry-level SATA SSDs.
The S13T and the E13T controllers support Phisons 4th Generation implementation of LDPC-based ECC.
They are the critical components to allowing QLC SSDs viable on the market.
However, that is a part of the tradeoffs that come with low-end hardware.
At the same time, for SATA drive, its interface itself limits the performance of modern NAND flash.
Thus, the limits of QLCs performance are much less obvious.
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Another performance you concern about should be the data transfer speeds of the drive.
While the 512 GB SSD using PS5013-E13T controller has much faster sequential read speed of 1400 MB/s.
However, they are likely to be shown up on the market later this year or early in 2020.
